Quick-connect, wire clamp terminals for party line wire connections.
4-pin male XLR headsets (balanced or unbalanced microphone). Available here:Telex Headsets
Powered from party line.
Local power optional.
Clear-Com® compatible.
Intercom Listen Key
Both momentary (push-to-listen) and latching (hands-free listen) are possible.
Call Key
Used to send call signals on the intercom channel and to indicate incoming calls.
Intercom Talk Key
Both momentary (push-to-talk) and latching (hands-free talk) are possible. Additionally, the WM-1000 / WM-2000 have a feature called "mic kill receive" which lets an operator at a remote master station (such as the US-2002) turn off the talk key.
Dynamic-Mic Headset Connector
4-pin male XLR connector accepts headsets with monaural headphones and either a balanced or unbalanced dynamic microphone.
Volume Control
Adjusts intercom volume to headset.
Telex Audiocom / Clear-Com Selector Switch
The selector switch sets the intercom station for compatibility with either Telex Audiocom or Clear-Com channel connector pin-outs, channel power requirements, and call signaling requirements.
Configuration DIP switches
DIP switches are provided to enable/disable the following features: Call Beep: An optional call beep tone can be used for incoming call notification. Headset Microphone Type Selection: Balanced or unbalanced microphone may be selected. DC Call Enable: This may be turned on to use the intercom station with intercom systems that use DC call signaling.
Connections Terminal Block
Used to connect intercom channel(s) and an optional local power supply.
Sidetone Trimmers
These are used to adjust the level of the station operator's own voice in the headphones.
Mounting Holes
The mounting holes fit any standard, two-gang electrical box
Channels 1 CH Color Black Depth 2.3" (58.42 mm) Form Factor Wall Plate Height 4.5" (114.3 mm) Weight 16 oz (453.59 g) Width 4.6" (116.84 mm)