S1---S4 Introduction - Raisecom RCMS2304-240 User Manual

4.3.1. S1---S4 introduction

There are 4 DIP-switches on the bottom. The dip-switch can be set
using small sharp pen or tools. Each set of dip-switch is in
correspondence with E1 port.
Definition as following:
st nd
1 2
ON ON
75Ω unbalanced signal effective
As shown in figure above, the default status is set as "75Ω unbalanced signal BNC
interface effective".
Note: It is suggested that use adapter for connecting 75Ω unbalanced signal; use DB37
connector for 120Ω balanced signal
rd th
3 4
ON OFF
st
1 2
Or OFF OFF
120Ω balanced signal effective
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ON
OFF 1 2 3 4
nd rd
3
OFF
th
4
ON