Valcom v-2900 basic door answering device door answering unit provides voice contact from a designated telephone station to a door. When used in conjunction with a door plate speaker, pressing the push button on the door plate speaker will cause the phone to ring 1 second on, 4 seconds off . By answering the call, the system user can converse with the person at the door. The telephone may also call the door speaker . Features: loop start trunk access from a pabx or c.O. Line position of an e-key system dedicated single line telephone access phone to speaker volume control speaker to phone volume control screw terminals for all connections -24 vdc powered power supply included built-in 30 hz ring generator cycle ringing 1 second on, 4 seconds off tone at speaker when button pressed to access unit automatic cut-off after approximately 8 rings or answer whichever occurs first
Brand: VALCOM
Shipping Cost: DKK 22.31
Valcom v-2900 basic door answering device door answering unit provides voice contact from a designated telephone station to a door. When used in conjunction with