Z100-TYPE HARDWARE
TRUNK CONCENTRATOR CABLES
Trunk concentrator cables are used for the following purposes:
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Match 1-pair local telephone company trunks to 3-pair circuits that connect to the
switch.
Match 1-pair local telephone company trunks provided for off-premises lines to 3-pair
circuits that connect to the cross-connect field.
Split eight 3-pair analog tie trunks into two groups of four 3-pair tie trunks that
connect to the switch
The trunk concentrator cables are 25 feet (7.6 m) in length. They are coded as cable
assemblies and are available as described below.
WP-90929, List 2, Cable Assembly
The WP-90929, List 2, Cable Assembly (Figure 2-15 and Table 2-A) is used to connect local
telephone company trunks to the system switch. It is also used to connect off-premises
analog circuits to a Z100B1 connector module in the equipment room cross-connect field. The
3-fingered end of the cable assembly contains male ribbon connectors; the other end contains
a female ribbon connector. Each cable assembly can match 24 one-pair trunk circuits to 24
three-pair trunk circuits.
WP-90929, List 4, Cable Assembly
The WP-90929, List 4, Cable Assembly (Figure 2-15 and Table 2-B) is used to connect tie-
trunk circuits to the system switch. The 2-fingered end of the cable assembly contains male
ribbon connectors; the other end contains a female ribbon connector. Each cable assembly
can match eight 3-pair tie-trunk circuits to two groups of four 3-pair tie-trunk circuits.
TRUNK CONCENTRATOR CABLE ORDERING INFORMATION
Description
Comcode
WP-90929, List 2, Cable Assembly
405 065 012
WP-90929, List 4, Cable Assembly
405 075 540
2-20
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