Single Line Telephones
DSX-40 Hardware Manual
Components
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3
Components
Single Line Telephones
DTH-1-1 Single Line Telephone
The DTH-1-1 is a cost-effective analog single line telephone that offers 5
fi
xed feature keys, 4 Speed Dial
bin keys and Message Waiting. The built-in Message Waiting lamp will
fl
ash for incoming calls or when the
user has a message. To simplify working in groups, The DTH-1-1 provides 3 selectable ring tones.
DTR-1-1 Single Line Telephone
The DTR-1-1 is a stylish yet rugged analog single line telephone with 5
fi
xed feature keys and Message
Waiting. Similar to the DTH-1-1, the DTR-1-1 has a built in Message Waiting lamp that will
fl
ash for incom-
ing calls or when the user has a message. The DTR-1-1 offers programmable ring pitch and volume. Built-in
wall mounting and a bridged data jack for connecting a modem or answering machine are standard.
DTR-1HM-1 Single Line Telephone
The DTR-1HM-1 provides all the features of the DTR-1-1 in addition to two additional
fi
xed function keys
(for Hold and Speaker/Monitor) and 8 Speed Dial bin keys. For convenient on-hook dialing and call monitor,
the DTR-1HM-1 also offers Handsfree Monitor.
At a Glance
P/N 780034 (Black)
Fixed Function Keys: 5
Message Waiting: Yes
Speed Dial Bin Keys: 4
Ring/Message Waiting Lamp: Yes
Selectable Ring Tones: Yes
Wall Mount: Built-in
At a Glance
P/Ns 780020 (Black) and 780021 (White)
Fixed Function Keys: 5
Message Waiting: Yes
Speed Dial Bin Keys: None
Ring/Message Waiting Lamp: No
Selectable Ring Tones: Yes
Wall Mount: Built-in
Handsfree Monitor: No
At a Glance
P/Ns 780025 (Black) and 780026 (White)
Fixed Function Keys: 7
Message Waiting: Yes
Speed Dial Bin Keys: 8
Ring/Message Waiting Lamp: Yes
Selectable Ring Tones: Yes
Wall Mount: Built-in
Handsfree Monitor: Yes
