EchoLife OT925-G
User Guide
Tables
Issue 02 (2007-08-30)
Huawei Technologies Proprietary
lii
Procedure
Click
Advanced
Setting
>
TDM
Setting
>
TDM
Impedance
in the navigation tree to display
the configuration page.
Configure the
Impedance
option and keep it consistent with the 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 ohms. Use this configuration
when the E1 port adopts the coaxial cable.