Control Unit Modules
(continued)
Line/Trunk
Module
Type
Station Type
008 OPT
N/A
On-premises or off-
premises single-line
telephone
012 (T/R)
N/A
Single-line telephone;
MERLIN Attendant;
MERLIN MAIL Voice
Messaging System; T/R
adjunct (such as an
answering or fax
machine); analog data
device (such as a
modem)
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