Installing Signal Monitoring Cables (Using The Mon Port) - Huawei OptiX RTN 905 Quick Installation Manual

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Installing Signal Monitoring Cables (Using the MON Port)

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Mapping Relationships Between the Signals over Different Cables
8 7 6 5 4 3 2 1
RJ-45 Connector of the Network Interface to the Cable
on the CMUA (COMIN) Board
Pin 1 TX+
Pin 2 TX-
Pin 4 RX+
Pin 5 RX-
Pin 8 GND
No
Pin 3/6/7
connected
NOTE
If the CLK/TOD/MON port on the RTN 905 needs to receive both external clock signals and outdoor cabinet
monitoring signals, the pin assignments for the signaling monitoring cable vary. For details, see the hardware
description. In this case, pin 8 of the RJ-45 connector connected to the network interface on the CMUA
(COMIN) board does not need to be connected.
RJ-45 Connector (CLK/TOD/MON) of the Network
Port to the Cable on the RTN 905
White/Orange Pin 6
Orange Pin 3
Blue Pin 8
White/Blue Pin 7
Brown Pin 5
- Pin 1/2/4
18
HEUA board COM_IN port
CLK/TOD/MON port
RX +
RX -
TX+
TX-
GND
No
connected
White/Orange
Orange
Blue
White/Blue
Brown
-