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Installing Telephones and Adjuncts
Table 3-1. Unsupported Telephones and Adjuncts
Model Notes
510D Personal Terminals
Digital Communications Protocol
(DCP)
DCP telephones
7400 telephones and adjuncts
(asynchronous data units and
multiple asynchronous data units)
that use DCP and that are
supported on the MERLIN II
Communications System.
MET telephones Multibutton electronic telephones
(MET) and adjuncts that are used
with the Dimension PBX and
Horizon systems.
Single-line telephones
with neon message-waiting light
Analog telephone adjuncts Basic telephone modem interface
(BTMI); BTMI-2; off-premises
extension (OPX) unit; System 25
Direct Extension Selector (DXS);
DSS attached to a 34-button Deluxe
membrane
3-30
Installing Adjuncts