NEC Univerge sv8500 Manual page 1235

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23. SET TCS_LOOPBACK
This command is used to specify Loopback data for T1/E1. To make this assignment effective, it is required
to execute the "SAVE" command and to restart before exiting the maintenance command.
COMMAND 1
MG-PRI > SET TCS_LOOPBACK
Local Loop Back ( 0/1:0 ): 0
Line Loop Back ( 0/1:0 ): 0
Payload Loop Back( 0/1:0 ): 0
Dch Make Busy ( 0/1:0 ): 0
Dch Loop Back ( 0/1:0 ): 0
Dch Self-test ( 0/1:0 ): 0
set value is 0x0000
setting complete.
In order to make a setup reflect, saving a
configuration file is required by SAVE
command.
COMMAND 2
MG-PRI > SET TCS_LOOPBACK 0000
set value is 0x0000
setting complete.
In order to make a setup reflect, saving a
configuration file is required by SAVE
command.
The trace of Loopback test varies depending on its setting. The following describes its loopback traces by
Note:
each.
IP Network
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[P1]
P1-Specify a set value
A command is executed, and the result is displayed.
On screen, the settings are set to in FCE0 (setting value).
ON
PWR LINE -LINE- LB
B D
TNS
(2)
Speech Channel
LANI
Control Part
VOL.2-982
0000-FFFF= Set value (default value: 0000)
When P1 is omitted→COMMAND 1
When P1 is specified→COMMAND 2
<COMMAND 1> Note
1) Enable/Disable Internal Loopback
0 (fixed)
2) Enable/Disable Line Loopback
0/1=Disable(default)/Enable
3) Enable/Disable Payload Loopback
0/1=Disable(default)/Enable
4) Enable/Disable Dch Make-Busy
0/1=Disable(default)/Enable
5) Enable/Disable Dch Loopback
0 (fixed)
6) Enable/Disable Dch Self-Test
0 (fixed)
<COMMAND 2>
A command is executed, and the result is displayed.
Tx/Rx LINK
MUSIC
RCV 10/100
IMP
MG-2M
LINE
(1)
Line
Interface
MG-PRI/PRA
ISDN