AT&T 1987 AT&T Telephone User Manual


 
Multiline Voice Terminal Connection Information
Detailed connection information is provided in the following figures:
Figure 4-24—On-Premises 7300H Series Multiline Voice Terminal Connections
Figure 4-25—Off-Premises 7300H Series Multiline Voice Terminal Connections
Figure 4-26—Ten Button MET Set Connections
Figure 4-27—Stand-Alone Remotely Powered Voice Terminal Connections
Descriptions of the Station Interconnect Panel (SIP), Trunk Access Equipment (TAE), and
associated cables and adapters, as shown on the figures, are provided under the heading
“Connectivity” later in this Section.
Maximum cabling distances from the system
cabinets to multiline voice terminals is
provided in Section 5,
“Technical Specifications.”
Feature Operations
Refer to
Multiline Terminal User
Guide
(555-520-703) for information about feature
operation.
Voice Terminal Adjuncts
The following adjuncts and associated power supplies are supported:
MET Headset Adapter (for 10-Button MET Sets); refer to “Headset Adapter
Adjunct” in Section 2.
500A/502A Headset Adapter (for 12-Button MET Sets and MERLIN voice terminals,
respectively); refer to “Headset Adapter Adjunct” in Section 2.
4A Speakerphone System (for 10-Button MET Sets); refer to “Speakerphone Adjunct”
in Section 2.
S101A/S102A Speakerphone (for 12-Button MET Sets and MERLIN voice terminals,
respectively); refer to “Speakerphone Adjunct” in Section 2.
55A1 Key (Ground Start Button)
A 55A1 Ground Start Button is required to obtain dial tone for each Power Failure
Transfer (PFT) station that is connected to a ground start trunk.
Acoustic Coupler
An Acoustic Coupler (349A Adapter) can be used with the 7300H series voice
terminals and MET sets. The coupler provides acoustic coupling between the handset
and acoustic modems.
AT&T Answer-Record 2500
The Answer-Record 2500 (PEC 3121-050) or Code-A-Phone 2540 (PEC 3121-040) can
be used as an adjunct (using a 267A “T” Adapter) to single-line voice terminals.
Note, that when an answering device is bridged on to a ZTN78 Tip Ring Line CP port,
the combined adjunct/terminal REN must not exceed 1.20 A/B.
Z34A Message Waiting Indicator
The Z34A Message Waiting Indicator provides a message waiting indication at
single-line sets.
The indicator can be used with 2500 series voice terminals that do
not have message waiting lamps.
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