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Note: Only inter-connection of optical transceiver SS13 and SS15 and inter-connection of optical
transceiver SS23 and SS25 are allowed. Same type of optical transceivers can not communicate.
If the connection is correct, and there is receiving optical signal, the LOS alarm indicator on the front
panel of the device will turn OFF after the device being electrified.
5.1.2 Connect the E1 interface
RC831-120-BL adopts twisted pair with RJ-45 connector to connect the 120Ω balanced E1interface
on the device. For the pin arrangement of the RJ-45 connector and relevant cable making method,
please refer to Appendix A.
RC831-120 adopts coaxial cable with BNC connector to connect the 75Ω unbalanced E1 interface.
For the cable making of coaxial cable with BNC connector, please refer to Appendix A.
5.1.3 Connect the Agent network management interface
When connecting the device with the PC for network management, please connect the RJ-45
connector of the CBL-PCAGENT-DB9F/RJ45 cable to the LNK_UP interface of the device and
connect the DB-9 connector of the cable to the serial port of the PC.
When forming a cascade, please connect the LNK_DWN interface of the higher-level device and the
LNK_UP interface of the lower-level device using RJ-45 to RJ-45 flat cable.
5.1.4 Connect to the power supply
For device adopting 220V AC power supply, please plug the provided 220V AC power supply cable
to a 220V standard 3-phase power supply socket. For device adopting -48V DC power supply, please
connect the device with DC power supply using -48V DC power supply (connect the BGND
terminal of the DC power supply interface of the device to the 0V ground of the power supply,
connect the -48V terminal to the -48V power supply, and connect the PGND terminal to protection
earth). For device using +24V DC power supply, the connecting is similar to that of the -48V DC
power supply.
5.2 Typical application
P
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RS232
Agent
Fiber
Figure 5-3 Point-to-point application
User Manual
RC831
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