NEC Univerge SV8100 System Hardware Manual page 201

5.7.4
4-84
CHUYÊN CUNG CẤP TỔNG ĐÀI NEC
Connectors
Table 4-51 CD-4ODTB RJ-61 Cable Connector Pin-Outs on page 4-83
shows the pin-outs for the RJ-61 connector. Refer to
CD-4ODTB Blade on page 4-80
the connectors on the CD-4ODTB blade.
Table 4-51 CD-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 →
R →
T →
for an illustration showing the location of
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 –
M
E
T
R
Installing the SV8100 Blades
http//vietpro.com.vn
UNIVERGE SV8100
Figure 4-28
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
<4-Wire E&M>
E&M1 E&M2
E → M
M → E
R → T1
T → R1
R1 → T
T1 → R