User manual

Raisecom Technology Co., Ltd

4.1.5. Ethernet interface

• Each RJ45 interface corresponds to one Ethernet port. Refer to Appendix A for wire

sequence.

• Each port is capable of 10/100Mbps auto-sensing

• MDI/MDIX auto-negotiation

4.1.6. RS232 auxiliary data channel

Comply with RS232 standard, use and RJ45 connector. Refer to appendix A for wire

sequence.

4.1.7. LINK UP network management port

LINK UP port can be connected with the serial port of computer. The connection standard

is optional between RS232 and RS485.

• LINK UP port: RJ45 connector. It adopts RS485 or RS232 (19.2kbps) standard.

4.2. Introduction of back panel

Figure: Sketch of RCMS2304-240 of back panel

4.2.1. Optical interface

z Single strand, SC/PC connector

4.2.2. E1 interface

A DB37 male connector on the back panel provides 1~4

E1 tributary ports. Refer to

Appendix A for wire sequence.

z CC4B-8G type of adapter for conversion from DB37 to 8 CC3s is needed for using 75Ω

connection. There are 1~4

E1 tributaries from left to right, where the “OUT” above and

“IN” below.

z No need adapter for using 120Ω connection