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MERLIN LEGEND Communications System Release 6.1
Installation
555-661-140
Issue 1
August 1998
Installing Telephones and Adjuncts
Page 3-40
Installing Adjuncts
■ MTR Interface (MTRI)
■ Off-Premises Extension Unit (OPX)
■ System 25 Direct Extension Selector (DXS)
See Table 3–1 for additional notes on unsupported telephones and
adjuncts.
Single-Line Telephones
Releases prior to Release 3.0 system support the single-line telephones
listed in Table 3–2.
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
are supported on the MERLIN II Communications System
MET telephones Multibutton electronic telephones (METs) and adjuncts
used with the Dimension PBX and Horizon systems
Single-line telephones
(with neon
message-waiting lights)
Message light does not work
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