NOTE
The value range of the jitter buffer is 500-32000 and the value must be an integer multiple of 125. You
can configure this value according to actual conditions. In this example, the jitter buffer size is set to 2500
μs.
huawei(config-pw-para-3)#jitter-buffer buffer-size 2500
7. Configure the PW parameter to support the control word.
huawei(config-pw-para-3)#control-word
8. Enable virtual circuit connectivity verification (VCCV).
huawei(config-pw-para-3)#vccv cc cw alert ttl cv lsp-ping
Step 6 Create a TDM connection.
Set TDM connection ID to 2, type to PWE3, and ID of the E1 port of the H802EDTB board to
0/4/5.
huawei(config)#tdm-connect connectid 2 tdm pwe3-uplink 0/4 e1 0/4/5
Step 7 Bind the TDM connection to the PW to create the PW service of the TDM type.
Bind TDM connection 2 to PW 3.
huawei(config)#pw-ac-binding tdm 2 pw 3
Step 8 Confirm that the PW is in the normal state.
On the OLT, run the display pw or display pw-ac-binding command to query the PW status.
Confirm that the PW state is normal (up).
huawei(config)#display pw-ac-binding tdm 2
Total : 1 (Up/Down : 1/0 Static/LDP : 0/1)
----------------------------------------------------------------------------
TDM PW PW PROTO RECEIVE TRNS PW
ID ID STATE TYPE LABEL LABEL INDEX
----------------------------------------------------------------------------
2 3 up LDP --- --- 3
----------------------------------------------------------------------------
Note : F--Frame, S--Slot, P--Port
*: Secondary
Step 9 Configure clock synchronization on the E1 port.
Configure the recovery clock source of the H802EDTB board. In the recovery clock mode, the
receive end recovers the clock of the transmit end according to the average arrival rate of the
received SAToP packets. In this example, clock signals are extracted from PW 3 to serve as the
recovery clock of a board.
huawei(config)#interface edt 0/4
huawei(config-edt-0/4)#adapt-clock-source clock-source 0 3
Configure the Tx clock of E1 port 0/4/5 on the H802EDTB board as the network-side clock.
That is, configure the clock recovered from a TDM PW as the Tx clock of a port, implementing
voice service synchronization.
huawei(config-edt-0/4)#clock-work 5 net
----End
Result
After a network is restructured, the long-term bit error ratio and latency meet the requirements
for actual applications, the Nx64k private line service or ISDN PRI PBX service runs normally,
and the operation method for end users is not changed.
SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Commissioning and Configuration Guide
4 Configuration Example of the Private Line Service
Issue 01 (2014-04-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
429
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