NEC Univerge SV9100 System Hardware Manual page 315

Issue 2.0
SV9100 System Hardware Manual
Table 4-34 GCD-4ODTB RJ-61 Cable Connector Pin-Outs
RJ-61 Cable Connector – 2-Wire E&M, CN1A~CN1D
Pin No.
1
2
3
4
5
6
7
8
RJ-61 Cable Connector – 4-Wire E&M, CN100~CN400
Pin No.
1
2
3
4
5
6
7
8

Using Type I or Type V, a system loopback test can be performed by connecting
E&M1 to E&M2.
<2-Wire E&M>
E&M1 E&M2
 
E M
 
M E
 
R T
 
T R
Connection Description
— Not Used
M Control signal to trunk
— Not Used
R Voice signal both ways
T
Voice signal both ways
— Not Used
E Control signal from trunk
— Not Used
Connection Description
— Not Used
M Control signal to trunk
R Voice signal to trunk
R1 Voice signal from trunk
T1
Voice signal from trunk
T Voice signal to trunk
E Control signal from trunk
— Not Used
<4-Wire E&M>
E&M1 E&M2
 
E M
 
M E
 
R T1
 
T R1
 
R1 T

R
T1
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