Installation And Test; Installation; Reparation Before Installation; Installation Process - Raisecom RCMS2504-120 User Manual

5.1. Installation

According to equipment list, check types and amount of equipment and their fittings. Check the
appearance of equipment whether are damaged or not. If it is affected with damp, should dry it before
use.

5.2. Reparation before installation

Carefully read this user manual
Prepare all kinds of cable, which will be used. Assure no short or open circuit. The method of
making cable refers to appendix A.
Assure that voltage is within work condition.
Prepare bit error tester and optical power meter used for testing cable quality.
If use 120Ω balanced signal interface, please modify the switch setting at the bottom of
equipment.
Lay the equipment on steady and safe place and note environment demands.

5.3. Installation Process

5.3.1. Method of cable connection

E1 interface
Suggest connecting coaxial adapter with SYV 75-2-2 coaxial cable, or connecting DB37
interface with twisted pair.
Ethernet interface
Use CAT5 straight or cross over twisted pair
Optical interface
Plug SC patch fiber into optical interface (push hard until to end). If not sure about
transmission direction, please plug the fiber before turning on the power of device
Auxiliary data channel
If need to use auxiliary data channel, connect it with RS232 cable. Please avoid plugging hot
swap.
NM (network management) function
Connect LINK UP interface with PC serial port under the condition of turning off electricity.
Switch setting of front panel
Configure switches of front panel as per user requirements under the condition of turning off
electricity. Please do not modify other switches except for loopback test switch after turning

5. Installation and test

13
Raisecom Technology Co., Ltd