ABB Relion 670 series - Setting up Transceiver 21-216

5.4.3 Setting up transceiver 21–216
GUID-0206E4D5-50DA-49E2-80E3-4F89A2540A7B v1
Confirm that the attenuation of the fibre-optic cable, including splices and patch
cables, does not exceed the system budget. Remember to add a safety margin
(minimum 3dB).
Make sure that the local fibre-optic transmitter (marked Tx) is connected to the
remote unit's fiber-optic receiver (marked Rx). Local Rx is to be connected to
remote Tx.
IEC07000247 V1 EN-US
Figure 65: Fibre-optic ports with ST type connectors
IEC07000248 V1 EN-US
Figure 66: G.703 codirectional port (RJ–45)
Section 5 1MRK 505 382-UEN B
Communication set-up
80 Communication set-up 670/650 series 2.2
Application Guide