Chapter 3. Operation
3.5.2.3 E1/T1 Configuration
LOCAL << E1/T1 Configuration >>
1. CH1 2. CH2 3. CH3 4. CH4
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5. Service ON ON ON ON
6. Line Code HDB3 HDB3 HDB3 HDB3
7. Loopback OFF OFF OFF OFF
8. Termination Type [ E1/75/BNC ]
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Please select 1~4 (Channel) or 8 (Termination Type) or [ESC] to
previous menu.
The third item from the 'Configure System Status' menu is the E1/T1 Configuration. First,
select the channel (using 1 to 4) for configuration and then use the menu items;
"5" to enable/disable the channel's service
"6" to set the operating line code
"7" to initiate loop back tests
Press "8" to select the interface type E1 75 ohm BNC, E1 120 ohm RJ-45 or T1 100 ohm RJ-
45. Note that all four channels must be set to the same E1 or T1 mode and with the same
termination impedance.
Loopback Descriptions
* LLB (E1/T1 local loop back)
near end (NE) far end (FE)
This local loop back will make the near end unit loop towards the copper side's channel.
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