CN107465541A - A kind of GPON remote devices and its management method - Google Patents

A kind of GPON remote devices and its management method Download PDF

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Publication number
CN107465541A
CN107465541A CN201710619975.6A CN201710619975A CN107465541A CN 107465541 A CN107465541 A CN 107465541A CN 201710619975 A CN201710619975 A CN 201710619975A CN 107465541 A CN107465541 A CN 107465541A
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devices
eont
local side
distal end
olt
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CN201710619975.6A
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CN107465541B (en
Inventor
黄元波
左越
刘登强
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Fiberhome Telecommunication Technologies Co Ltd
Wuhan Fisilink Microelectronics Technology Co Ltd
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Fiberhome Telecommunication Technologies Co Ltd
Wuhan Fisilink Microelectronics Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/12—Discovery or management of network topologies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07955—Monitoring or measuring power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0797—Monitoring line amplifier or line repeater equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293—Signal power control
    • H04B10/2933—Signal power control considering the whole optical path
    • H04B10/2939—Network aspects

Abstract

The invention discloses a kind of GPON remote devices and its management method, it is related to network communication technology field, remote device of the present invention includes local side remote device and distal end remote device, local side remote device and distal end remote device are registered by EONT devices in OLT device, and the robustness of heterogeneous network, the network morphology of heterogeneous network and the op-tical power information of chain alarming information and each ONU equipment of remote device collection are transmitted to OLT device using PLOAM message, so as to realize the management to GPON remote devices.Meanwhile the information data amount for transmitting remote device collection to OLT device using PLOAM message is few, does not interfere with the service communication between normal OLT device and ONU equipment.

Description

A kind of GPON remote devices and its management method
Technical field
The present invention relates to network communication technology field, and in particular to a kind of GPON remote devices and its management method.
Background technology
GPON (Gigabit-CapablePON) technology is that the broadband passive light synthesis based on ITU-TG.984.x standards connects Enter standard, there is high bandwidth, high efficiency, large coverage, user interface is abundant to wait many merits, is to realize that access network service is wide Bandization, the desirable technique of synthesization transformation.As shown in figure 1, based on the equipment basic structure of GPON technologies by the OLT (light of local side Line terminal), the ONT/ONU of user terminal (ONT Optical Network Terminal or make optical network unit), single-mode fiber (SMfiber) and passive The ODN (Optical Distribution Network) and network management system composition of optical splitter (Splitter) composition.
Found in FTTH processs of construction, fiber resource is to restrict the big key factor that FTTH is built, existing fiber money Source is limited, and cable resource is very in short supply.Simultaneously because the reason for light splitting attenuation, 1:5km scopes, part can only be covered during 64 light splitting Area can not realize the covering of business.In order to solve the problems, such as that such FTTH cable resources are in short supply and coverage distance, can typically make It polymerize remote device with PON optical fiber.
PON zooms out (reachextender) and kinds of schemes be present at present：
OA (image intensifer, opticalamplifiers) scheme：I.e. uplink and downlink are all come real using image intensifer scheme It is existing.
OEO (photoelectricity light) regenerator schemes：I.e. uplink and downlink are all realized using OEO regenerator schemes.
OA and OEO hybrid plans：I.e. up selection OA schemes, it is descending to select OEO schemes；Or up selection OEO schemes, The descending combination from OA schemes.
No matter above-mentioned which kind of scheme is used, and current GPON remote devices are that the plug and play on a GPON optical link is set Standby, the management system of OLT sides can not manage the GPON remote devices as PnP device；Once there is OA or OAO work( It can fail, whole remote device function will be unable to realize, the maintainability of current GPON remote devices is very low.
The content of the invention
For defect present in prior art, it is an object of the invention to provide a kind of GPON remote devices and its management Method, the management to GPON remote devices is realized, improve the maintainability of whole remote device.
To achieve the above objectives, the present invention adopts the technical scheme that：A kind of GPON remote devices, the GPON, which is zoomed out, to be set It is standby to include local side remote device and distal end remote device, wherein：
The local side remote device includes local side EONT devices, and the local side EONT devices are used to register institute to OLT device State local side remote device；Check the robustness of heterogeneous network, collect the network morphology and chain alarming information of heterogeneous network, use PLOAM message reports the robustness of heterogeneous network, the network morphology of heterogeneous network and chain alarming information to OLT device；
The distal end remote device includes distal end EONT devices, and the distal end EONT devices are used to register institute to OLT device State distal end remote device；The op-tical power information of each ONU equipment of heterogeneous network is collected, using PLOAM message in OLT device Report the op-tical power information of each ONU equipment.
On the basis of above-mentioned technical proposal, the local side EONT devices register the local side remote device to OLT device Including：
The local side EONT devices check whether its own has completed to register the local side remote device to OLT device, if It is no, the passage that long-range remote device is gone downwards to local side remote device is first closed, then the downstream signal of OLT device is parsed, to OLT Local side remote device described in facility registration；
The local side EONT devices are completed after registering the local side remote device to OLT device, open local side remote device Go downwards to the passage of long-range remote device.
On the basis of above-mentioned technical proposal, the distal end EONT devices register the distal end remote device to OLT device Including：
The distal end EONT devices check whether its own has completed to register the distal end remote device to OLT device, if It is no, first close long-range remote device and go downwards to the passage of passive optical splitters, then the downstream signal of OLT device is parsed, to OLT device Register the distal end remote device；
The distal end EONT devices are completed after registering the distal end remote device to OLT device, open long-range remote device Go downwards to the passage of passive optical splitters.
On the basis of above-mentioned technical proposal, the local side EONT devices report isomery using PLOAM message to OLT device The robustness of network, the network morphology of heterogeneous network and chain alarming information include：
The local side EONT devices send Dynamic Bandwidth Allocation and asked to OLT device；
After the local side EONT devices receive the bandwidth of OLT device distribution, reported using PLOAM message to OLT device The robustness of heterogeneous network, the network morphology of heterogeneous network and chain alarming information.
On the basis of above-mentioned technical proposal, the distal end EONT devices are reported each using PLOAM message to OLT device The op-tical power information of ONU equipment includes：
The distal end EONT devices send Dynamic Bandwidth Allocation and asked to OLT device；
After the distal end EONT devices receive the bandwidth of OLT device distribution, reported using PLOAM message to OLT device The op-tical power information of each ONU equipment.
The invention also discloses a kind of management method of the GPON remote devices described in use：
The local side remote device is registered to OLT device by the local side EONT devices；And check the strong of heterogeneous network Strong property, the network morphology and chain alarming information for collecting heterogeneous network, by the local side EONT devices using PLOAM message to OLT device reports the robustness of heterogeneous network, the network morphology of heterogeneous network and chain alarming information；
The distal end remote device is registered to OLT device by the distal end EONT devices；And collect the every of heterogeneous network The op-tical power information of individual ONU equipment, each ONU is reported to set to OLT device using PLOAM message by the distal end EONT devices Standby op-tical power information.
On the basis of above-mentioned technical proposal, the local side is registered to OLT device by the local side EONT devices and zoomed out Equipment includes：
The local side EONT devices check whether its own has completed to register the local side remote device to OLT device, if It is no, the passage that long-range remote device is gone downwards to local side remote device is first closed, then the downstream signal of OLT device is parsed, to OLT Local side remote device described in facility registration；
The local side EONT devices are completed after registering the local side remote device to OLT device, open local side remote device Go downwards to the passage of long-range remote device.
On the basis of above-mentioned technical proposal, the distal end is registered to OLT device by the distal end EONT devices and zoomed out Equipment includes：
The distal end EONT devices check whether its own has completed to register the distal end remote device to OLT device, if It is no, first close long-range remote device and go downwards to the passage of passive optical splitters, then the downstream signal of OLT device is parsed, to OLT device Register the distal end remote device；
The distal end EONT devices are completed after registering the distal end remote device to OLT device, open long-range remote device Go downwards to the passage of passive optical splitters.
On the basis of above-mentioned technical proposal, the local side EONT devices report isomery using PLOAM message to OLT device The robustness of network, the network morphology of heterogeneous network and chain alarming information include：
The local side EONT devices send Dynamic Bandwidth Allocation and asked to OLT device；
After the local side EONT devices receive the bandwidth of OLT device distribution, reported using PLOAM message to OLT device The robustness of heterogeneous network, the network morphology of heterogeneous network and chain alarming information.
On the basis of above-mentioned technical proposal, the distal end EONT devices are reported each using PLOAM message to OLT device The op-tical power information of ONU equipment includes：
The distal end EONT devices send Dynamic Bandwidth Allocation and asked to OLT device；
After the distal end EONT devices receive the bandwidth of OLT device distribution, reported using PLOAM message to OLT device The op-tical power information of each ONU equipment.
Compared with prior art, the advantage of the invention is that：
Remote device of the present invention includes EONT devices, and local side remote device and distal end remote device are existed by EONT devices Registered in OLT device, and transmit the stalwartness for the heterogeneous network that remote device is collected to OLT device using PLOAM message Property, the network morphology of heterogeneous network and the op-tical power information of chain alarming information and each ONU equipment, GPON is drawn so as to realize The management of remote equipment.
Meanwhile the information data amount for transmitting remote device collection to OLT device using PLOAM message is few, does not interfere with just Service communication between normal OLT device and ONU equipment.
Brief description of the drawings
Fig. 1 is GPON system topology schematics in the embodiment of the present invention；
Fig. 2 is GPON systematic polymerization remote device topology schematic diagrames in the embodiment of the present invention；
Fig. 3 is the schematic flow sheet of the management method of GPON remote devices in the embodiment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Shown in Figure 2, GPON remote devices communication process in GPON systems is as follows：
In down direction, GPON downstream data flows are sent to local side remote device, the isomery of local side remote device from OLT device Network is delivered to distal end remote device using downstream signal as payload is transparent；Distal end remote device parses bag from heterogeneous network Containing complete timing information and payload (OLT downstream signals), each ONU equipment is broadcast to by passive optical splitters.
In up direction, the uplink burst that distal end remote device receives ONU passes through the transparent transmission of heterogeneous network as payload To local side remote device；The payload signal that local side remote device parses heterogeneous network upload is delivered to OLT device.
The embodiment of the present invention provides a kind of GPON remote devices, and GPON remote devices include local side remote device and distal end is drawn Remote equipment, wherein：
Local side remote device includes local side EONT (Embedded ONT, embedded ONT) device, and local side EONT devices are used for Local side remote device is registered to OLT device；Check that robustness, the network morphology for collecting heterogeneous network and the link of heterogeneous network are accused Alert information, the robustness of heterogeneous network, the network morphology of heterogeneous network and link is reported to accuse to OLT device using PLOAM message Alert information；
Distal end remote device includes distal end EONT devices, and distal end EONT devices, which are used to zoom out to OLT device registration distal end, to be set It is standby；The op-tical power information of each ONU equipment of heterogeneous network is collected, reports each ONU to set to OLT device using PLOAM message Standby op-tical power information.
Local side EONT devices include to OLT device registration local side remote device：
Local side EONT devices check whether its own has completed to register local side remote device to OLT device, if it is not, first closing The passage of long-range remote device is gone downwards to local side remote device, then parses the downstream signal of OLT device, is registered to OLT device Local side remote device；
Local side EONT devices are completed after registering local side remote device to OLT device, are opened local side remote device and are gone downwards to far The passage of journey remote device.
Remote device of the present invention includes EONT devices, and local side remote device and distal end remote device are existed by EONT devices Registered in OLT device, and zoomed out using physical layer operations management service message (PLOAM message) to OLT device transmission The robustness of heterogeneous network, the network morphology of heterogeneous network and the light of chain alarming information and each ONU equipment that equipment is collected Power information, so as to realize the management to GPON remote devices.Meanwhile transmit remote device to OLT device using PLOAM message The information data amount of collection is few, does not interfere with the service communication between normal OLT device and ONU equipment.Distal end EONT devices Include to OLT device registration distal end remote device：
Distal end EONT devices check whether its own has completed to register distal end remote device to OLT device, if it is not, first closing Long-range remote device goes downwards to the passage of passive optical splitters, then parses the downstream signal of OLT device, and distal end is registered to OLT device Remote device；
Distal end EONT devices are completed after registering distal end remote device to OLT device, are opened long-range remote device and are gone downwards to nothing The passage of source optical splitter.
Local side EONT devices check the robustness, the network morphology for collecting heterogeneous network and chain circuit alarming letter of heterogeneous network Breath, the robustness of heterogeneous network, the network morphology of heterogeneous network and chain circuit alarming is reported to believe to OLT device using PLOAM message Breath includes：
Local side EONT devices check the robustness, the network morphology for collecting heterogeneous network and chain circuit alarming letter of heterogeneous network Breath；
Local side EONT devices send Dynamic Bandwidth Allocation and asked to OLT device；
After local side EONT devices receive the bandwidth of OLT device distribution, isomery is reported to OLT device using PLOAM message The robustness of network, the network morphology of heterogeneous network and chain alarming information.
Distal end EONT devices collect the op-tical power information of each ONU equipment of heterogeneous network, using PLOAM message to OLT Equipment reports the op-tical power information of each ONU equipment to include：
Distal end EONT devices collect the op-tical power information of each ONU equipment of heterogeneous network；
Distal end EONT devices send Dynamic Bandwidth Allocation and asked to OLT device；
After distal end EONT devices receive the bandwidth of OLT device distribution, reported using PLOAM message to OLT device each The op-tical power information of ONU equipment.
Shown in Figure 3, the embodiment of the invention also discloses a kind of management method of GPON remote devices, including following step Suddenly：
S1, local side remote device is registered to OLT device by local side EONT devices；
S2, check the robustness of heterogeneous network, collect the network morphology and chain alarming information of heterogeneous network, pass through local side EONT devices report the robustness of heterogeneous network, the network morphology of heterogeneous network and link to accuse using PLOAM message to OLT device Alert information；
S3, distal end remote device is registered to OLT device by distal end EONT devices；
S4, the op-tical power information of each ONU equipment of heterogeneous network is collected, disappeared by distal end EONT devices using PLOAM Cease the op-tical power information that each ONU equipment is reported to OLT device.
Remote device of the present invention includes EONT devices, and local side remote device and distal end remote device are existed by EONT devices Registered in OLT device, and transmit the stalwartness for the heterogeneous network that remote device is collected to OLT device using PLOAM message Property, the network morphology of heterogeneous network and the op-tical power information of chain alarming information and each ONU equipment, GPON is drawn so as to realize The management of remote equipment.Meanwhile the information data amount for transmitting remote device collection to OLT device using PLOAM message is few, Bu Huiying Ring the service communication between normal OLT device and ONU equipment.
Distal end EONT devices include to OLT device registration distal end remote device：
Registering local side remote device to OLT device by local side EONT devices includes：
Local side EONT devices check whether its own has completed to register local side remote device to OLT device, if it is not, first closing The passage of long-range remote device is gone downwards to local side remote device, then parses the downstream signal of OLT device, is registered to OLT device Local side remote device；
Local side EONT devices are completed after registering local side remote device to OLT device, are opened local side remote device and are gone downwards to far The passage of journey remote device.
Registering distal end remote device to OLT device by distal end EONT devices includes：
Distal end EONT devices check whether its own has completed to register distal end remote device to OLT device, if it is not, first closing Long-range remote device goes downwards to the passage of passive optical splitters, then parses the downstream signal of OLT device, and distal end is registered to OLT device Remote device；
Distal end EONT devices are completed after registering distal end remote device to OLT device, are opened long-range remote device and are gone downwards to nothing The passage of source optical splitter.
Local side EONT devices check the robustness, the network morphology for collecting heterogeneous network and chain circuit alarming letter of heterogeneous network Breath, the robustness of heterogeneous network, the network morphology of heterogeneous network and chain circuit alarming is reported to believe to OLT device using PLOAM message Breath includes：
Local side EONT devices check the robustness, the network morphology for collecting heterogeneous network and chain circuit alarming letter of heterogeneous network Breath；
Local side EONT devices send Dynamic Bandwidth Allocation and asked to OLT device；
After local side EONT devices receive the bandwidth of OLT device distribution, isomery is reported to OLT device using PLOAM message The robustness of network, the network morphology of heterogeneous network and chain alarming information.
Distal end EONT devices collect the op-tical power information of each ONU equipment of heterogeneous network, using PLOAM message to OLT Equipment reports the op-tical power information of each ONU equipment to include：
Distal end EONT devices collect the op-tical power information of each ONU equipment of heterogeneous network；
Distal end EONT devices send Dynamic Bandwidth Allocation and asked to OLT device；
After distal end EONT devices receive the bandwidth of OLT device distribution, reported using PLOAM message to OLT device each The op-tical power information of ONU equipment.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.

Claims (10)

  1. A kind of 1. GPON remote devices, it is characterised in that：The GPON remote devices include local side remote device and distal end is zoomed out Equipment, wherein：
    The local side remote device includes local side EONT devices, and the local side EONT devices are used to register the office to OLT device Hold remote device；Check the robustness of heterogeneous network, collect the network morphology and chain alarming information of heterogeneous network, use PLOAM message reports the robustness of heterogeneous network, the network morphology of heterogeneous network and chain alarming information to OLT device；
    The distal end remote device includes distal end EONT devices, and the distal end EONT devices are used for described remote to OLT device registration Hold remote device；The op-tical power information of each ONU equipment of heterogeneous network is collected, is reported often to OLT device using PLOAM message The op-tical power information of individual ONU equipment.
  2. A kind of 2. GPON remote devices as claimed in claim 1, it is characterised in that：
    The local side EONT devices register the local side remote device to OLT device to be included：
    The local side EONT devices check whether its own has completed to register the local side remote device to OLT device, if it is not, first Close local side remote device and go downwards to the passage of long-range remote device, then parse the downstream signal of OLT device, to OLT device Register the local side remote device；
    The local side EONT devices are completed after registering the local side remote device to OLT device, and it is descending to open local side remote device To the passage of long-range remote device.
  3. A kind of 3. GPON remote devices as claimed in claim 1, it is characterised in that：
    The distal end EONT devices register the distal end remote device to OLT device to be included：
    The distal end EONT devices check whether its own has completed to register the distal end remote device to OLT device, if it is not, first Close long-range remote device and go downwards to the passage of passive optical splitters, then parse the downstream signal of OLT device, registered to OLT device The distal end remote device；
    The distal end EONT devices are completed after registering the distal end remote device to OLT device, and it is descending to open long-range remote device To the passage of passive optical splitters.
  4. A kind of 4. GPON remote devices as claimed in claim 1, it is characterised in that：
    The local side EONT devices report the network of the robustness of heterogeneous network, heterogeneous network using PLOAM message to OLT device Form and chain alarming information include：
    The local side EONT devices send Dynamic Bandwidth Allocation and asked to OLT device；
    After the local side EONT devices receive the bandwidth of OLT device distribution, isomery is reported to OLT device using PLOAM message The robustness of network, the network morphology of heterogeneous network and chain alarming information.
  5. A kind of 5. GPON remote devices as claimed in claim 1, it is characterised in that：The distal end EONT devices use PLOAM Message reports the op-tical power information of each ONU equipment to include to OLT device：
    The distal end EONT devices send Dynamic Bandwidth Allocation and asked to OLT device；
    After the distal end EONT devices receive the bandwidth of OLT device distribution, reported using PLOAM message to OLT device each The op-tical power information of ONU equipment.
  6. A kind of 6. management method of GPON remote devices using as described in claim 1-5 any one, it is characterised in that：
    The local side remote device is registered to OLT device by the local side EONT devices；And check heterogeneous network robustness, The network morphology and chain alarming information of heterogeneous network are collected, is set by the local side EONT devices using PLOAM message to OLT It is standby to report the robustness of heterogeneous network, the network morphology of heterogeneous network and chain alarming information；
    The distal end remote device is registered to OLT device by the distal end EONT devices；And collect each ONU of heterogeneous network The op-tical power information of equipment, each ONU equipment is reported to OLT device using PLOAM message by the distal end EONT devices Op-tical power information.
  7. A kind of 7. management method of GPON remote devices as claimed in claim 6, it is characterised in that：Pass through the local side EONT Device registers the local side remote device to OLT device to be included：
    The local side EONT devices check whether its own has completed to register the local side remote device to OLT device, if it is not, first Close local side remote device and go downwards to the passage of long-range remote device, then parse the downstream signal of OLT device, to OLT device Register the local side remote device；
    The local side EONT devices are completed after registering the local side remote device to OLT device, and it is descending to open local side remote device To the passage of long-range remote device.
  8. A kind of 8. management method of GPON remote devices as claimed in claim 6, it is characterised in that：Pass through the distal end EONT Device registers the distal end remote device to OLT device to be included：
    The distal end EONT devices check whether its own has completed to register the distal end remote device to OLT device, if it is not, first Close long-range remote device and go downwards to the passage of passive optical splitters, then parse the downstream signal of OLT device, registered to OLT device The distal end remote device；
    The distal end EONT devices are completed after registering the distal end remote device to OLT device, and it is descending to open long-range remote device To the passage of passive optical splitters.
  9. A kind of 9. management method of GPON remote devices as claimed in claim 6, it is characterised in that：The local side EONT devices Using PLOAM message the robustness of heterogeneous network, the network morphology of heterogeneous network and chain alarming information bag are reported to OLT device Include：
    The local side EONT devices send Dynamic Bandwidth Allocation and asked to OLT device；
    After the local side EONT devices receive the bandwidth of OLT device distribution, isomery is reported to OLT device using PLOAM message The robustness of network, the network morphology of heterogeneous network and chain alarming information.
  10. A kind of 10. management method of GPON remote devices as claimed in claim 6, it is characterised in that：The distal end EONT dresses Put and report the op-tical power information of each ONU equipment to include to OLT device using PLOAM message：
    The distal end EONT devices send Dynamic Bandwidth Allocation and asked to OLT device；
    After the distal end EONT devices receive the bandwidth of OLT device distribution, reported using PLOAM message to OLT device each The op-tical power information of ONU equipment.
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Cited By (2)

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CN110121123A (en) * 2019-05-10 2019-08-13 江西山水光电科技股份有限公司 A kind of PON polymerization remote device management method
CN111835543A (en) * 2019-04-19 2020-10-27 烽火通信科技股份有限公司 Method and device for configuring and managing remote equipment in transmission network management system

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