Cable Connection For Bs21-Id/Bs21-Nd/Bs21A-Id/Bs21A-Nd - NEC Univerge sv8500 Manual

1.

Cable Connection for BS21-ID/BS21-ND/BS21A-ID/BS21A-ND

Cable Connection for BS21-ID/BS21-ND/BS21A-ID/BS21A-ND (S Interface)
Back-
board
26 RB0 1 RA0
TB0 2
27 TA0
No.0
RB1 3 RA1
28
4
29 TB1 TA1
No.1
RB2 5 RA2
30
TB2
31 6 TA2
No.2
32 RB3 7
RA3
33 TB3 8 TA3
No.3
34 9
35 10
36 11
37
12
38 13
39 14
40 15
41 16
42 17
43 18
19
44
20
45
21
46
22
47
23
48
24
49
25
50
CSINT (LT cable) Champ connector lead Note 2
Maximum length of the cable to each CS depends on the kind of cable (diameter) and the way of power
Note 1:
supply (Power supply from Built-in PHS system/Local power supply).
Installation cable
PIR
(SWVP50 lead)
LT
P
Note 1
MDF
No.0
No.1
No.3
MDF
TB
RB
RA
TA
TB
RB
RA
TA
RB
RA
Note3:
Confirm that electric potential between TA/TB
and RA/RB (feed polarity) is normal before
connecting CS to modular rosette
TA/TB: negative (-)
RA/RB: positive (+)
VOL.2-15
Cell Station (CS)
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
CS
TA
RA
3 4 5 6
Modular
rosette
RB
(eg:MJ-8S)
TB
TB
TA
Pressure welding
4 3 2 1
connector
Note 3
(Quick terminal)
CS