Z100-TYPE HARDWARE
Figure 2-57. 258A and BR2580A Adapters
356A ADAPTER
The 356A adapter (Figure 2-58) plugs into a 25-pair female cable connector. The other end
of the cable must be connected to a Z203A1 connecting unit provided in the Z100B1 connector
modules. The 356A adapter divides the 25-pairs of leads on the cable into eight individual
3-pair circuits. Although the circuits are 3-pair, the 356A adapter’s modular jacks will
accept an 8-pin modular plug used on the 4-pair station cable. Remote powering is
accomplished using a 400B2 adapter. (See ADJUNCT POWERING section for details.)
Caution: Adapters wired similarly to the 356A should not be used. Their jacks
will not accept 4-pair plugs.
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