CTP Systems CTPhone 1900, Applications Manual

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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