Modular Multi-service Integrated Optical Transmission Multiplexer
User Manual
16
before application, otherwise, it will bring negative impacts on transmission
quality. The inferior butt-connection of fiber connector may cause
significant power loss, so the optical connector shall be modified according
to the actual situation. Arrange the optic-fiber in the equipment room
rationally, with the fiber curvature radius no less than 50mm.
§6.7 Peripheral Interfaces
Rear Panel:
§6.7.1 Monitoring and Auxiliary Data Interfaces
1
．
DATA/ALM interface: asynchronous data transmitting port and
overhead alarm port
Asynchronous data transmitting port RS232:
Definition: 1(TX),
2(RX), 3(GND); Unnecessary to configure, directly available for plug and
play, with the speed auto-negotiable.
Overhead alarm port ALM:
Definition: 7(ALM-A), 8(ALM-B)
When the alarm occurs again, ALM-A and ALM-B will be shorted.
2
．
NMS PORT: Network management monitoring interface of RS232
and RS422/485
Network management monitoring interface of RS232:
The pin designation is: 1(TX), 2(RX), 3(GND).
1,2,3,4,5,6,7,8
Pin arrangement of RJ45 socket
Optical Multiplexer
1
RJ45 2
3
2
3 DB9
5
PC
