Install and Wire Telephones
Off-Premises Connections
SI Installation and Upgrades
531
June 2004
Refer to
Figure 205, Example Adjunct Power Connections,
on page 531 and
Figure 206, Connections at
Trunk/Auxiliary Field,
on page 532.
Figure 205: Example Adjunct Power Connections
Digital Voice Circuit Protectors
Circuit Pack
Enhanced Primary Protector
(With Sneak Current Protection)
TN754 V13 or earlier
ITW Linx Only
TN754 V14 or later
4C3S-75 or ITW Linx
TN754B all vintages
4C3S-75 or ITW Linx
TN754C
4C3S-75 or ITW Linx
TN2181 all vintages
4C3S-75 or ITW Linx
TN2224 all vintages
4C3S-75 or ITW Linx
Figure notes
1
Typical Display Telephone
2
Individual Power Supply (Such as
1151A1 or 1151A2)
3
Information Outlet (Modular Jack)
4
4-Pair D-Inside Wire (DIW) Cable
5
Satellite Site or Adapter Location
6
25-Pair D-Inside Wire (DIW) Cable
7
Station Side of Main Distribution
Frame (MDF)
8
100P6A Patch Cord or Jumpers
9
System Side of Main Distribution
Frame (MDF)
10
25-Pair Cable to System Cabinet
(Analog Line Circuit Pack)
11
Equipment Room
12
Satellite Location
13
Work Location
14
Bulk Power Supply (Such as 1145B)
cydfadjn KLC 020599
1
2
3
4
5
6
7
8
9
10
11
12
13
14
14