Adapters - AT&T Network Adapter 25 Installation And Maintenance Manual

INSTALLATION

Adapters

The adapters shown in Figure 2-3 are used at the SIP.
Z210A2 or 858A Adapters
These adapters connect the building wiring (station runs) to the station port
circuit packs (CPs) located in the system cabinets (through octopus cables).
As many as 40 of these adapters may be required for a maximum size
system, Any combination of the adapters can be used, depending upon the
type of building wiring. The port side of the adapters consists of six 8-pin
modular jacks. The station side of the adapters is equipped as follows:
Z210A2—Six
modular plug-ended D-inside
must be installed at the top
connections for the System
Tape Unit (DTU), etc.
858A—Six 11 O-type 8-pin wiring blocks used for terminating 4-pair
DIW.
WP90851, L1 Y-Adapter
This adapter separates voice and data pairs that are run over
cable for connection through octopus cables to the System
This adapter plugs into the port side of either of the two adapters described
above. It has a DATA and a VOICE modular jack. The DATA jack connects
to a TN726 Data Line port circuit pack. The VOICE jack connects to a port
circuit on a Tip Ring Line, Analog Line, or ATL Line circuit pack.
2-8
8-pin modular jacks used for terminating 4-pair
wire (DIW). One of these adapters
of column A on the SIP to provide
administration Terminal (SAT), Digital
the same 4-pair
25 port circuits.