CTP Systems CTPhone 1900, Applications Manual

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3-4 DOC00101-01
CTPhone 1900 System Hardware & Software Installation
CTPhone 1900 System Cabling
Figure 3-1 presents an overview of CTPhone 1900 system cabling. The
CTPhone Controller has two 25-pair connectors that connect to analog
lines and base stations. Punching down two sets at each connector block
allows users to have both CTPhone and wired extensions.
Note To meet UL1459 regulations in the United States, there are special
installation requirements which are explained in Appendix A.
Figure 3-1. Overview of CTPhone 1900 System Cabling
P1
Base Station 1
(transmit)
MDF/IDF
Office
Telephone
System
CTPhone
Base Station 2
(receive)
(transmit)
P2
P1
pairs 1-16
pairs 1-16
(optional bridging connection
(to analog line units)
25-pair
cable
(to analog line units)
P2
pair 23 (tip)
Controller
pairs 1-16
Optional external
(receive)
alarm
pair 22 (tip & ring)
pair 21 (transmit)
pair 20 (receive)
pair 24 (receive)
pair 25 (transmit)
pairs 1-16
See Table 3-B
on page 3-5 for
pinout informa-
tion.
to wired extensions 17–32)
(optional bridging connection
to wired extensions 1–16)
n.c.
pair 23 (ring)
n.o.
com