NEC Univerge SV9100 Hardware Manual page 237

UNIVERGE SV9100
System Hardware Manual
Table 4-46 GCD-4ODTB RJ-61 Cable Connector Pin-Outs
RJ-61 Cable Connector – 2-Wire E&M, CN1A~CN1D
Pin No.
RJ-61 Cable Connector – 4-Wire E&M, CN100~CN400
Pin No.
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
1 —
2 M
3 —
4 R
5 T
6 —
7 E
8 —
Connection
1 —
2 M
3 R
4 R1
5 T1
6 T
7 E
8 —
<4-Wire E&M>
E&M1
→
E
→
M
→
R
→
T
→
R1
Issue 1.2
Description
Not Used
Control signal to trunk
Not Used
Voice signal both ways
Voice signal both ways
Not Used
Control signal from
trunk
Not Used
Description
Not Used
Control signal to trunk
Voice signal to trunk
Voice signal from trunk
Voice signal from trunk
Voice signal to trunk
Control signal from
trunk
Not Used
E&M2
M
E
T1
R1
T
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