Справочник Пользователя для AT&T System 85

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

d

Originate/Disconnect

The Z3A1/2/4 are equipped with a jack used to connect the optional Originate/Disconnect
switch.

d

Telephone

The Z3A1/2/4 are equipped with modular jack to connect the optional analog telephone.

d

Data and RS-232 connections.

Refer to the following table for the different data and RS-232 connections.

bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

25-pin plug on

Z3A1

3-foot cable

Modular

bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Z3A2

25-pin plug (no cable)

Modular

bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Z3A3

110-type patch cord

110-type patch cord

bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

25-pin receptacle on

Z3A4

3-foot cable

Modular

bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

cc

c

c

c

c

c

c

c

c

c

cc

c

c

c

c

c

c

c

c

c

cc

c

c

c

c

c

c

c

c

c

cc

c

c

c

c

c

c

c

c

c

Under certain conditions the ADU is powered by the attached RS-232 equipment.  When the
power provided by the RS-232 is inadequate (

±

7 volts are required on pins 20 and 2), an external

power transformer, adapter, and patch cord are required.

The Z3A Data Module and optional components can be ordered with the following PECs:

d

Z3A1 Asynchronous Data Module—2169-001

d

Z3A2 Asynchronous Data Module—2169-002

d

Z3A3 Asynchronous Data Module—2169-003

d

Z3A4 Asynchronous Data Module—2169-004

d

Originate/Disconnect Switch—21692

d

ADM Mounting Trough—21693