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7.7.3.1 Telecoms Interface
If the Telecoms Interface field is set to either T1 or E1, then Step 1 of the installation wizard
contains additional configuration fields (Figure 58).
Figure 58 - T
elecoms Configuration Interface
The additional E1 or T1 fields are:
Telecoms Line Code
The line code setting of the telecoms interface. This must match the setting of the device
connected to this interface.
NOTE
If a copper loopback is used to test the E1/T1 link, ensure that the test set is
configured manually. If the test set is allowed to configure automatically, neither it nor
the ODU send a signal until they receive one, so the test appears to fail.
Telecoms Cable Length
This field is applicable to the T1 operating mode only. It configures the T1 transceiver to
output a signal suitable for driving a cable of the specified length. This should be set to reflect
the length of cable between the wireless unit and the connected equipment.