Cortelco 123 External Ringer
Features
• Loud Ringer Volume
• Visual Indication of Ringing
• Hi/Lo Ringer Volume Switch
• Desk/Wall Mountable
Installation
1. Connect the line cord from the telephone jack to the LINE JACK (2) of
the 123 Ringer.
2. Using the supplied short line cord, connect the TEL JACK (1) of the 123
Ringer to the telephone. Note that it is not necessary to connect a
telephone to use the 123 Ringer.
3. Adjust the volume to Hi or Lo using the volume switch (3).
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