DOC00101-01
3-5
CTPhone 1900 System Hardware & Software Installation
CTPhone Controller Connections
Table 3-B describes how the CTPhone Controller connects to other ele-
ments of the system.
Cautions
•
Bridge taps are not allowed between the CTPhone Controller and base
stations.
•
Current limiting (fuse style) primary protectors must not be used for
current protection on the transmit and receive pairs between the
CTPhone Controller and base stations. (Recommended primary pro-
tectors are listed in Appendix A.)
Table 3-B. CTPhone Controller Pinouts
Pair
P1
P2
1
Tip, ring — station 1
Tip, ring — station 17
2
Tip, ring — station 2
Tip, ring — station 18
3
Tip, ring — station 3
Tip, ring — station 19
4
Tip, ring — station 4
Tip, ring — station 20
5
Tip, ring — station 5
Tip, ring — station 21
6
Tip, ring — station 6
Tip, ring — station 22
7
Tip, ring — station 7
Tip, ring — station 23
8
Tip, ring — station 8
Tip, ring — station 24
9
Tip, ring — station 9
Tip, ring — station 25
10
Tip, ring — station 10
Tip, ring — station 26
11
Tip, ring — station 11
Tip, ring — station 27
12
Tip, ring — station 12
Tip, ring — station 28
13
Tip, ring — station 13
Tip, ring — station 29
14
Tip, ring — station 14
Tip, ring — station 30
15
Tip, ring — station 15
Tip, ring — station 31
16
Tip, ring — station 16
Tip, ring — station 32
20
Receive from base station 1
21
Transmit to base station 1
22
Tip, ring — external alarm connection
23
Tip, ring — external alarm connection
24
Receive from base station 2
25
Transmit to base station 2
Содержание CTPhone 1900
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