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EchoLife OT925-G 
User Guide 

Tables 

 

Issue 02 (2007-08-30) 

Huawei Technologies Proprietary 

xxviii 

 

 .3  

Drilling holes 

 

 

Insert two expansion bolts vertically to the holes, and knock them into the holes with the rubber 

hammer, as shown in    .4    . 

 .4  

Installing expansion bolts 

 

 

Face the cable connecting side of the device downward. Align two holes on the upper parts of 

two mounting brackets to the expansion bolts in the wall. Adjust the position of the OT925-G, 
and then screw the flat washer, spring washer, and nut onto each bolt, as shown in    .5    . 

Summary of Contents for V100R002

Page 1: ...EchoLife OT925 G User Guide Contents Issue 02 2007 08 30 Huawei Technologies Proprietary i EchoLife OT925 G V100R002 User Guide Issue 02 Date 2007 08 30 Part Number 31017513 ...

Page 2: ...ll rights reserved No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co Ltd Trademarks and Permissions and other Huawei trademarks are trademarks of Huawei Technologies Co Ltd All other trademarks and trade names mentioned in this document are the property of their respective holders Notice The information in ...

Page 3: ... 5 2 3 3 Workbench Placement 2 8 2 4 Installing Cables 2 9 2 4 1 Routing Rules 2 9 2 4 2 Connecting Cables 2 10 2 5 Checking the Installation 2 11 2 6 Power on Check 2 12 3 Configuration Guide 3 1 3 1 Overview 3 2 3 2 Logging Onto the Device 3 3 3 3 Configuring a Port 3 4 3 4 Configuring the Port Insulation 3 7 3 5 Configuring the Multicast Service 3 8 3 6 Configuring the GPON Service 3 10 3 7 Con...

Page 4: ...N Phylink Information 4 14 4 1 9 Querying TDM Line 4 15 4 2 Managing Configuration Data 4 16 4 2 1 Backing Up Configuration Data 4 16 4 2 2 Loading Configuration Data 4 17 4 2 3 Restoring Default Configuration 4 18 4 3 Configuring Querying System Log 4 19 4 4 Configuring User Password 4 21 4 5 Loading Software 4 23 4 6 Saving Rebooting 4 24 5 Troubleshooting 5 1 5 1 Troubleshooting Common Faults 5...

Page 5: ...gure 2 5 Drilling holes 2 7 Figure 2 6 Installing expansion bolts 2 7 Figure 2 7 Installing the flat washer spring washer and nut 2 8 Figure 3 1 Web page 3 2 Figure 3 2 Port page 3 4 Figure 3 3 Insulation page 3 7 Figure 3 4 Multicast page 3 8 Figure 3 5 GPON Setting page 3 11 Figure 3 6 TDM Impedance page 3 12 Figure 4 1 Summary page 4 2 Figure 4 2 Status page 4 4 Figure 4 3 ARP page 4 6 Figure 4...

Page 6: ...007 08 30 Huawei Technologies Proprietary vi Figure 4 12 Update page 4 17 Figure 4 13 Restore Default page 4 18 Figure 4 14 System Log page 4 19 Figure 4 15 Password page 4 21 Figure 4 16 Update Software page 4 23 Figure 4 17 Save Reboot page 4 24 ...

Page 7: ...le 3 6 Parameters of the TDM Impedance page 3 13 Table 4 1 Parameters of the Summary page 4 3 Table 4 2 Parameters of the Status page 4 5 Table 4 3 Parameters of the ARP page 4 7 Table 4 4 Parameters of the GPON Statistics page 4 8 Table 4 5 Parameters of the LSW Statistics page 4 10 Table 4 6 Parameters of the TDM Logic Statistics page 4 12 Table 4 7 Parameters of the ErrSecond Statistics page 4 ...

Page 8: ...EchoLife OT925 G User Guide Tables Issue 02 2007 08 30 Huawei Technologies Proprietary ii Table 5 2 Mapping between LINK AUTH and device status 5 3 ...

Page 9: ...EchoLife OT925 G User Guide Contents Issue 02 2007 08 30 Huawei Technologies Proprietary iii Contents About This Document iv ...

Page 10: ...ration and maintenance of the OT925 G Related Versions The following table lists the product versions related to this document Product Name Version EchoLife OT925 G V100R002 Intended Audience This document is intended for Network planning engineers Hardware installation engineers Installation and commissioning engineers Field maintenance engineers Network monitoring engineers System maintenance en...

Page 11: ...ions used in the document Conventions Symbol Conventions The symbols that may be found in this document are defined as follows Symbol Description Indicates a hazard with a high level of risk that if not avoided will result in death or serious injury Indicates a hazard with a medium or low level of risk which if not avoided could result in minor or moderate injury Indicates a potentially hazardous ...

Page 12: ...Italic Command arguments are in italics Items keywords or arguments in square brackets are optional x y Alternative items are grouped in braces and separated by vertical bars One is selected x y Optional alternative items are grouped in square brackets and separated by vertical bars One or none is selected x y Alternative items are grouped in braces and separated by vertical bars A minimum of one ...

Page 13: ...sed in turn Mouse Operation Action Description Click Select and release the primary mouse button without moving the pointer Double click Press the primary mouse button twice continuously and quickly without moving the pointer Drag Press and hold the primary mouse button and move the pointer to a certain position Update History Updates between document versions are cumulative Therefore the latest d...

Page 14: ...EchoLife OT925 G User Guide Contents Issue 02 2007 08 30 Huawei Technologies Proprietary viii Contents 1 Overview xii 1 1 System Overview xiii 1 2 Outline xiv ...

Page 15: ...EchoLife OT925 G User Guide Figures Issue 02 2007 08 30 Huawei Technologies Proprietary ix Figures Figure 1 1 Typical application of the OT925 G xiii Figure 1 2 Outline of the OT925 G xiv ...

Page 16: ......

Page 17: ...EchoLife OT925 G User Guide Tables Issue 02 2007 08 30 Huawei Technologies Proprietary xi Tables Table 1 1 LEDs of the OT925 G xiv Table 1 2 Ports of the OT925 G xv Table 1 3 Buttons of the OT925 G xvi ...

Page 18: ... 1 Overview About This Chapter The following table lists the contents of this chapter Section Description 1 1 System Overview This section describes the orientation and functions of the OT925 G 1 2 Outline This section describes the outline of the OT925 G including the LEDs ports and buttons ...

Page 19: ... SDH Digital Data Network DDN Public Switched Telephone Network PSTN and Internet Protocol IP network through the optical uplink port The OT925 G meets the networking requirements on Time Division Multiplexing TDM dedicated line access Ethernet dedicated line access base station transmission and Fiber To The Building FTTB The OT925 G supports optical network termination management and control inte...

Page 20: ...status which helps you to locate and troubleshoot device problems LEDs of the OT925 G LED Color Status Description On The device is powered on normally PWR Power LED Green Off The device is powered off On Device temperature exceeds the alarm threshold ALM System alarm LED Red Off The device raises no alarm On GPON link is normal LINK Link LED Green Off GPON link signals are lost On The device pass...

Page 21: ...rt listed from left to right Pins 1 and 2 numbered from right to left of the E1 port are used for receiving signals and pins 4 and 5 are used for transmitting signals Ports of the OT925 G Port Quantity Description GPON port 1 SC PC port It receives optical signals through the G 652 optical fiber E1 port 4 RJ 45 port It connects to a private branch exchange PBX wireless base station or node machine...

Page 22: ...tton Quantity Description INIT button 1 You can reset the device by using an insulating tool with a fine end to press the reset button in the INIT port You can restore the device to the factory defaults by pressing the reset button in the INIT port for 10s Power switch 1 It is used to switch on or switch off the power supply ...

Page 23: ...stallation xxii 2 1 Packing List xxiii 2 2 Installation and Maintenance Precautions xxiii 2 3 Installing the OT925 G xxv 2 3 1 Cabinet Installation xxv 2 3 2 Wall Mounting xxvi 2 4 Installing Cables xxx 2 4 1 Routing Rules xxx 2 4 2 Connecting Cables xxxi 2 5 Checking the Installation xxxii 2 6 Power on Check xxxiii ...

Page 24: ......

Page 25: ...et installation xxv Figure 2 2 Installing the OT925 G in a cabinet xxvi Figure 2 3 Installing mounting brackets for the OT925 G wall mounting xxvii Figure 2 4 Marking two holes on the wall for mounting the OT925 G xxvii Figure 2 5 Drilling holes xxviii Figure 2 6 Installing expansion bolts xxviii Figure 2 7 Installing the flat washer spring washer and nut xxix ...

Page 26: ......

Page 27: ... G User Guide Tables Issue 02 2007 08 30 Huawei Technologies Proprietary xxi Tables Table 2 1 Checklist of cable connections xxxii Table 2 2 Checklist of the installation environment xxxiii Table 2 3 LED status xxxiv ...

Page 28: ...e installation 2 2 Installation and Maintenance Precautions This section describes the precautions for installing and maintaining the OT925 G 2 3 Installing the OT925 G This section describes how to install the OT925 G 2 4 Installing Cables This section describes the routing rules and installation procedures of cables 2 5 Checking the Installation This section describes the checklist of the OT925 ...

Page 29: ... or person shall not change the device in structure and safety design Otherwise the consequences caused therefrom shall be taken by the organization or person concerned Environment Requirements Place the device in a ventilated environment without direct sunlight Keep the device clean Avoid dust accumulation Leave more than 10 cm around and above the device for heat dissipation The heat dissipation...

Page 30: ...d unplug the power connector if the device is not used for a long time Do not look directly at the optical port lest your eyes be burnt For any abnormal cases such as device smoking audio exception and peculiar smell turn off the power supply and unplug the power connector At the same time contact the dedicated maintenance department Prevent any object such as metal from entering the device from t...

Page 31: ...ectly placed on a workbench by adopting four plastic pads 2 3 1 Cabinet Installation This section describes how to install the OT925 G in the cabinet Precautions Wear the ESD wrist strap for installing the OT925 G Select the mounting bracket according to the cabinet type Install the OT925 G into the cabinet with screws and then fasten the screws in a diagonal sequence As shown in 1 the left part s...

Page 32: ...3 2 Wall Mounting This section describes how to mount the OT925 G onto the wall Precautions Ensure that the subscriber cables and optical fibers are long enough to reach the nearest MDF Select suitable expansion bolts Here M6 expansion bolts are recommended Select a best installation position according to the requirements on installation environment taking power supply location and maintenance req...

Page 33: ... on the wall for mounting the OT925 G Measure the length between the two holes for a double check as shown in 2 2 Marking two holes on the wall for mounting the OT925 G 465mm 465 mm Select a suitable drill bit according to the external diameter of the expansion bolt Drill holes with the percussion drill on the marked positions as shown in 3 When you drill the holes hold the drill tight Do not shak...

Page 34: ... and knock them into the holes with the rubber hammer as shown in 4 4 Installing expansion bolts Face the cable connecting side of the device downward Align two holes on the upper parts of two mounting brackets to the expansion bolts in the wall Adjust the position of the OT925 G and then screw the flat washer spring washer and nut onto each bolt as shown in 5 ...

Page 35: ...EchoLife OT925 G User Guide Tables Issue 02 2007 08 30 Huawei Technologies Proprietary xxix 5 Installing the flat washer spring washer and nut End ...

Page 36: ...revent damage to cable cores avoid bending the cables excessively Curvature radius of the cable at the turning point is twice larger than its diameter The curvature radius near the connector is four to six times larger than the cable diameter Do not bundle cables at the turning Arrange the bundled cables close to each other Routing Cables Comply with the following rules when routing cables Decide ...

Page 37: ...able to the grounding point of the cabinet When mounting the OT925 G onto the wall or placing it on a workbench connect the other end of the ground cable to the grounding busbar of the equipment room End Connecting Uplink Optical Fibers Connect uplink optical fibers through the GPON optical port Select the G 652 optical fiber with the SC PC connector Connect one end of the optical fiber to the GPO...

Page 38: ...e is powered off Connect one end of the power cable to the power port of the OT925 G Connect the other end of the power cable to the 100 240 VAC power socket End 2 5 Checking the Installation This section describes the checklist of the OT925 G after the installation Checking Cable Connections 0 provides the checklist of cable connections Checklist of cable connections Item Description Power cables...

Page 39: ...onment Checklist of the installation environment Item Description The installation position of the device complies with the engineering design The device is installed reliably in compliance with the shockproof requirements in the engineering design Device All bolts are fastened correctly and reliably Cabling trough No sundries such as cable ties or cable segments can be found around the device or ...

Page 40: ...Technologies Proprietary xxxiv LED status Name Color Status Description On The device is powered on normally PWR Power LED Green Off The power cable is connected incorrectly or the device is faulty Powering Off the OT925 G Turn off the power switch of the OT925 G ...

Page 41: ...ietary xxxv Contents 3 Configuration Guide xl 3 1 Overview xli 3 2 Logging Onto the Device xlii 3 3 Configuring a Port xliii 3 4 Configuring the Port Insulation xlvi 3 5 Configuring the Multicast Service xlvii 3 6 Configuring the GPON Service xlix 3 7 Configuring the TDM Impedance li ...

Page 42: ......

Page 43: ...e 02 2007 08 30 Huawei Technologies Proprietary xxxvii Figures Figure 3 1 Web page xli Figure 3 2 Port page xliii Figure 3 3 Insulation page xlvi Figure 3 4 Multicast page xlvii Figure 3 5 GPON Setting page l Figure 3 6 TDM Impedance page li ...

Page 44: ......

Page 45: ...ables Table 3 1 Parameters of the Port page xliv Table 3 2 Working mode of the Ethernet port xlv Table 3 3 Parameters of the Insulation page xlvi Table 3 4 Parameters of the Multicast page xlviii Table 3 5 Parameters of the GPON Setting page li Table 3 6 Parameters of the TDM Impedance page lii ...

Page 46: ... section describes how to configure a port including its working mode and local exchange function 3 4 Configuring the Port Insulation This section describes how to configure the insulation for a GE port 3 5 Configuring the Multicast Service This section describes how to configure the multicast service including the multicast VLAN mode and IGMP mode 3 6 Configuring the GPON Service This section des...

Page 47: ...agent You can configure the GPON multicast and TDM services through the NMS Web Configuration Mode As a supplement to the unified management mode the web configuration mode supports the auxiliary functions information query and device maintenance In the Web configuration mode you can log onto the device through the browser locally or remotely A navigation tree is provided in the left pane of the W...

Page 48: ...rk segment The default IP address of the OT925 G is 192 168 1 1 with the subnet mask 255 255 255 0 You can configure the IP address of the PC as 192 168 1 2 After logging onto the device you will have to enter the user name and password again if the PC is idle for over 10 minutes Procedure Enter the IP address of the OT925 G in the address bar of the browser In the displayed dialog box enter the u...

Page 49: ...in the same VLAN do not have to be placed in the same physical location That is the PCs can belong to different LAN segments The broadcast traffic and unicast traffic in the same VLAN will not be forwarded to other VLANs This helps control the traffic reduce the device investment simplify the network management and improve the network security Native VLAN and VLAN Pri are configured by the OLT thr...

Page 50: ...ot in the navigation tree and then click Save Reboot in the right pane to reboot the device End Parameter Description Parameters of the Port page Parameter Parameter Description Port Ports of the OT925 G including four 10 100BaseT ports one 100 1000BaseT port and one IP Host port Port Status The current status of the port It is automatically adjusted according to the connected device Native VLAN T...

Page 51: ...it s full duplex 100 Mbit s full duplex 10 Mbit s half duplex Auto 10 Mbit s half duplex 10 Mbit s half duplex 10 Mbit s full duplex Auto 10 Mbit s full duplex 10 Mbit s half duplex Auto 10 Mbit s half duplex 10 Mbit s half duplex 10 Mbit s half duplex Auto 10 Mbit s full duplex 10 Mbit s half duplex 10 Mbit s full duplex 100 Mbit s half duplex Auto 100 Mbit s half duplex 100 Mbit s half duplex 10...

Page 52: ... the navigation tree to display the configuration page Select the correct item according to the types of the devices connected to the GE port and then click OK Click Management Save Reboot in the navigation tree and then click Save Reboot in the right pane to reboot the device The configuration takes effect only after the rebooting End Parameter Description Parameters of the Insulation page Parame...

Page 53: ... OT925 G provides the video through multicast The multicast VLAN ID of the device must be consistent with the OLT configuration Otherwise the multicast service cannot work Page 1 shows the Multicast page 1 Multicast page Procedure Click Advanced Setting Multicast in the navigation tree to display the configuration page Enter the multicast VLAN ID in the Multicast VLAN ID text box Configure the IGM...

Page 54: ...ng the spread of the multicast data in layer 2 Proxy Use IGMP Proxy IGMP proxy enables the OT925 G to support multicast service In addition it helps to decrease the packets for joining and leaving a multicast group thus lowering the multicast traffic at the network side IGMP QuickLeave IGMP QuickLeave indicates that the OT925 G deletes a user from a multicast group without any query if it receives...

Page 55: ...and layer 2 L2 transparent transmission Context Trust mode refers to the judging of data transmission priority You can configure the GPON encapsulation mode GEM port priority or VLAN priority as data transmission priority Map mode refers to the mapping between the GEM port for data transmission and VLAN Three mapping ways are included that is mapping GEM port to VLAN ID to VLAN Priority and to VLA...

Page 56: ...st mode in the Trust Mode drop down list Select a desired map mode in the MAP Mode drop down list Modifying Map Mode will delete all existing GPON Phylinks Click OK The modification of the Trust Mode takes effect immediately without rebooting the device Click OK in the displayed dialog box Click Management Save Reboot in the navigation tree and then click Save Reboot in the right pane to reboot th...

Page 57: ...ode Value range VLAN Pri VLAN Priority GEM port to VLAN map mode is recommended L2 transparent transmission L2 transparent transmission switch Value range Enable and Disable When the switch is disabled the multicast source under the OT925 G will not transmit data to the OLT 3 7 Configuring the TDM Impedance This section describes how to configure the impedance of the TDM line Context The E1 port c...

Page 58: ...he impedance of the cable Click OK End Parameter Description Parameters of the TDM Impedance page Parameter Parameter Description Line ID E1 port number mapping four E1 ports of the OT925 G Impedance Impedance of the E1 port E1 EXTR 120 Ω Configure the E1 port impedance as 120 ohms Use this configuration when the E1 port adopts the twisted pairs E1 INTR 75 Ω Configure the E1 port impedance as 75 o...

Page 59: ...Statistics lxiv 4 1 5 Querying LSW Statistics lxvi 4 1 6 Querying TDM Statistics lxviii 4 1 7 Querying VLAN Information lxx 4 1 8 Querying GPON Phylink Information lxx 4 1 9 Querying TDM Line lxxii 4 2 Managing Configuration Data lxxiii 4 2 1 Backing Up Configuration Data lxxiii 4 2 2 Loading Configuration Data lxxiv 4 2 3 Restoring Default Configuration lxxv 4 3 Configuring Querying System Log lx...

Page 60: ......

Page 61: ...tistics page lxvi Figure 4 6 TDM Logic Statistics page lxviii Figure 4 7 ErrSecond Statistics page lxviii Figure 4 8 VLAN page lxx Figure 4 9 GPON Phylink page lxxi Figure 4 10 TDM Line page lxxii Figure 4 11 Backup page lxxiii Figure 4 12 Update page lxxiv Figure 4 13 Restore Default page lxxv Figure 4 14 System Log page lxxvi Figure 4 15 Password page lxxviii Figure 4 16 Update Software page lxx...

Page 62: ......

Page 63: ... Table 4 5 Parameters of the LSW Statistics page lxvii Table 4 6 Parameters of the TDM Logic Statistics page lxix Table 4 7 Parameters of the ErrSecond Statistics page lxix Table 4 8 Parameters of the VLAN page lxx Table 4 9 Parameters of the GPON Phylink page lxxii Table 4 10 Parameters of the TDM Line page lxxiii Table 4 11 Parameters of the System Log page lxxvi Table 4 12 Parameters of the Sys...

Page 64: ...iguration Data This section describes how to back up configuration data load configuration data and restore factory defaults 4 3 Configuring Querying System Log This section describes how to configure and query the system log of the OT925 G 4 4 Configuring User Password This section describes how to configure the access control of the OT925 G 4 5 Loading Software This section describes how to load...

Page 65: ...es how to query the summary information of the OT925 G Context The summary information refers to the basic information of the device including board ID software version boot loader version IP address and subnet mask Where GPON IP connection configuration displays the configuration through the OMCI Page 1 shows the Summary page 1 Summary page Procedure Click Device Information Summary to display th...

Page 66: ...DHCP configured by the OLT through the OMCI IP Address IP address of the device The default value is 192 168 1 1 configured by the OLT through the OMCI The configuration takes effect only after the rebooting Subnet Mask Subnet mask of the device The default value is 255 255 255 0 configured by the OLT through the OMCI Default Gateway IP address of the gateway The default value is null configured b...

Page 67: ...007 08 30 Huawei Technologies Proprietary lxi Page 1 shows the Status page You can click Refresh to refresh the status information 1 Status page Procedure Click Device Information Status to display the query page Query the desired information End ...

Page 68: ...the device Each device has a unique serial number ONU ID ONU ID of the device allocated by the OLT If the device is not registered on the OLT ONU ID is 255 OMCI Port ID GEM port ID used by the OMCI If the device is not registered on the OLT GEM port ID is 1 GPON Alarm GPON link alarm GPON State Current state of the device corresponding to the seven states defined in G 984 3 O1 Initial state O2 Sta...

Page 69: ...d AES Plain Text Calculating Mode FEC based advanced encryption standard AES plain text calculating mode 4 1 3 Querying ARP Information This section describes how to query the Address Resolution Protocol ARP information of the OT925 G Context The ARP is used to resolve IP address into Media Access Control MAC address If two PCs on the network need to communicate with each other they must know each...

Page 70: ...l Address MAC address mapping the IP address uniquely Device Device number of the network port When the device obtains IP address in the static and DHCP mode device number is br0 4 1 4 Querying GPON Statistics This section describes how to query the GPON statistics of the OT925 G Context GPON statistics of the device include Upstream data frame statistics that is statistics of data frames sent fro...

Page 71: ...atistics of data frames sent from the device to the OLT Down Stream Statistic Downstream traffic statistics that is statistics of data frames sent from the OLT to the device Transmitted Statistics of successfully transmitted data frames including Total ETH frame OMCI frame and CPU frame Received Statistics of successfully received data frames including Total ETH frame OMCI frame and CPU frame four...

Page 72: ... how to query the LAN switch LSW statistics of the OT925 G Context Port statistics of the device include Statistics of total bytes Statistics of unicast packets Statistics of total packets Statistics of error packets Statistics of dropped packets Instant rate Page 1 shows the LSW Statistics page You can click Refresh to refresh the statistics information Click Clear to clear the statistics Click C...

Page 73: ...s Transmitted Statistics of transmitted packets Bytes Statistics of packet bytes UniCastPkts Statistics of unicast packets Pkts Statistics of all packets Errs Statistics of error packets Drops Statistics of dropped packets Instant Speed Transmitted Statistics of instant transmitted packets with the unit PPS You can click Calculated Rate to obtain the instant transmitting rate Instant Speed Receive...

Page 74: ...tics of the OT925 G Context TDM statistics of the device include TDM Logic Statistics ErrSecond Statistics that is error second statistics Page 1 shows the TDM Logic Statistics page and 2 shows the ErrSecond Statistics page You can click Refresh to refresh the statistics information Click Clear to clear the statistics 1 TDM Logic Statistics page 2 ErrSecond Statistics page ...

Page 75: ...Statistics of duplex frames at the upstream HTB entrance GEM frame length area error statistics at GMAC entrance Statistics of GEM frame length errors at the GMAC entrance Parameters of the ErrSecond Statistics page Parameter Parameter Description Num L0 Num L3 Mapping four E1 ports of the OT925 G Error Second Statistics of error seconds Statistics of the time when the E1 port or link is faulty Se...

Page 76: ...ll fail to identify the packet sent from the port and drop the packet Page 1 shows the VLAN page 1 VLAN page Procedure Click Advanced Setting Lanswitch VLAN in the navigation tree to display the query page Select a desired VLAN in the VLAN ID dropdown list End Parameter Description Parameters of the VLAN page Parameter Parameter Description VLAN ID VLAN ID configured on the device Include Whether ...

Page 77: ...the OLT and create a dedicated data channel mapped by the VLAN and priority at the subscriber side The GPON Phylink is configured by the OLT through the OMCI Page 1 shows the GPON Phylink page 1 GPON Phylink page Procedure Click Advanced Setting GPON Phylink in the navigation tree to display the query page Query the desired information End ...

Page 78: ... ID UpPort Priority Uplink GEM port priority DnPort Priority Downlink GEM port priority Port ID GEM port ID VLAN ID ID of the VLAN mapping the GEM port VLAN Pri Priority of the VLAN mapping the GEM port Buffer ID Buffer ID that is ID of the memory buffer occupied by the link 4 1 9 Querying TDM Line This section describes how to query the TDM line information of the OT925 G Context The TDM Line is ...

Page 79: ...r mapping four E1 ports of the OT925 G GEM port ID ID of the GEM port mapped by the TDM link 4 2 Managing Configuration Data This section describes how to back up configuration data load configuration data and restore factory defaults 4 2 1 Backing Up Configuration Data This section describes how to back up the configuration data to a PC Context The name of the configuration file is backupsettings...

Page 80: ... browser enables ActiveX control By default the browser enables ActiveX control After the configuration file is loaded the configuration of the OT925 G by the OLT through the OMCI will not be modified The following configuration items will be updated Port working mode and local transparent transmission Multicast VLAN and IGMP mode GPON trust mode and map mode TDM impedance Obtaining mode of IP add...

Page 81: ...booting After the device is restored to the factory defaults the configuration of the OT925 G by the OLT through the OMCI will not be modified The following configuration times will be restored Port working mode and local transparent transmission Multicast VLAN and IGMP mode GPON trust mode and map mode TDM impedance Obtaining mode of IP address IP address subnet mask and IP address of the gateway...

Page 82: ...og page Procedure Click Management System Log to display the query page Click Configure System Log to display the configuration page Click View System Log to view the system log Click Enable to enable the system log Configure the record type and display type Click Save Apply End Parameter Description Parameters of the System Log page Parameter Parameter Description Date Time Event date and time Fa...

Page 83: ...of the System Log Configuration page Parameter Parameter Description Log Configure whether to enable the system log function Log Level Record type of the log including Emergency Alert Critical Error Warning Notice Informational and Debugging Local Display Level Displayed log type consistent with Log Level ...

Page 84: ... the configuration page Enter the old password in the Old Password textbox and new password in the New Password textbox and then enter the new password in the Confirm Password textbox for confirmation Click Save Apply End Parameter Description Parameters of the Password page Parameter Parameter Description Username User name For the admin user admin is also the default password Old Password The pa...

Page 85: ...rade by mistake The software mirror file must be provided by the vendor to ensure correct file and reliable upgrade The size of the software mirror file must not be larger than 4096 KB The file name plus the loading path must not contain more than 128 characters The upgrade process takes about two minutes and then the OT925 G will reboot The loaded software takes effect only after the rebooting Do...

Page 86: ...the PC Click Update Software End 4 6 Saving Rebooting This section describes how to save the configuration and reboot the OT925 G Context Rebooting will interrupt the service The rebooting process takes less than one minute Page 1 shows the Save Reboot page 1 Save Reboot page Procedure Click Management Save Reboot in the navigation tree to display the configuration page Click Save Reboot Click OK ...

Page 87: ...925 G User Guide Contents Issue 02 2007 08 30 Huawei Technologies Proprietary lxxxi Contents 5 Troubleshooting lxxxiv 5 1 Troubleshooting Common Faults lxxxv 5 2 How to Obtain Technical Support from Huawei lxxxvii ...

Page 88: ......

Page 89: ... G User Guide Tables Issue 02 2007 08 30 Huawei Technologies Proprietary lxxxiii Tables Table 5 1 LED status description and troubleshooting methods lxxxv Table 5 2 Mapping between LINK AUTH and device status lxxxvi ...

Page 90: ...ubleshooting About This Chapter The following table lists the contents of this chapter Section Description 5 1 Troubleshooting Common Faults This section describes how to troubleshoot common faults 5 2 How to Obtain Technical Support from Huawei This section describes how to obtain technical support ...

Page 91: ...er cable is connected correctly Check whether the power switch is turned on On Device temperature exceeds the alarm threshold Observe whether the fans rotate through the heat dissipation net Leave more space for heat dissipation and ventilate the device ALM System alarm LED Off The device raises no alarm LINK GPON link LED AUTH GPON authentication status LED Quick blinking Slow blinking On Off The...

Page 92: ...of the device is correct Check whether the SN of the device is correct Check whether the GMAC chip of the device is overheating Quick blinking Slow blinking O3 Serial Number state Check whether this device is added to the OLT Check whether the SN of the device on the OLT is correct Other troubleshooting methods are the same as that for the standby state Quick blinking On O4 Ranging state The troub...

Page 93: ...the reported issue The format should be product name summary of the issue Details This field contains 5000 characters for information and needs to be as detailed as possible It should contain the information as follows Issue description The detailed description of the issue including When the issue occurs Fault phenomena What operations have been implemented by the customer Other relevant informat...

Page 94: ...EchoLife OT925 G User Guide Contents Issue 02 2007 08 30 Huawei Technologies Proprietary lxxxviii Contents A Acronyms and Abbreviations 1 ...

Page 95: ... Address Resolution Protocol B BER bit error rate BIOS basic input output system BIP bit interleaved parity C CPU central processing unit D DDN Digital Data Network DHCP Dynamic Host Configuration Protocol E ESD electro static discharge ETH Ethernet F FE fast Ethernet FTTB Fiber To The Building ...

Page 96: ...Internet Protocol L LAN local area network LED light emitting diode LOF loss of frame LOS loss of signal LSW LAN switch M MAC media access control N NMS network management system O OLT optical line terminal ONU optical network unit P PBX private branch exchange PC percent complete PCB printed circuit board PST PON section trace PSTN Public Switched Telephone Network PTM point to multipoint ...

Page 97: ...logies Proprietary S SBU single business unit SC square connector SDH Synchronous Digital Hierarchy SN sequence number serial number STB set top box T TDM Time Division Multiplexing V VLAN virtual local area network ...

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