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Valcom RETRO FIT BLOCK 25 VOLT SYSTEMS, Part# XP-RFB

  • Valcom RETRO FIT BLOCK 25 VOLT SYSTEMS, Part# XP-RFB
RRP:
$242.00
Your Price:
$139.15 (You save $102.85)
SKU:
XP-RFB
Brand:
Shipping:
Calculated at checkout


Product Description

The versatile Valcom XP-RFB Retrofit Block for 25 Volt Systems is a 1U 19” rack or wall mount interface designed to connect to existing field wiring in most existing 25-volt systems. Headers J1 through J12 sequentially follow the pinout of a standard 66 block. For retrofit applications using 3 wire cabling, and can connect to a call switch.

Features:

  • The call switch may optionally be connected in between the “B” switch input for the zone and a room speaker tap that is approximately 4 times greater in wattage that the audio tap. For example, if the speaker is tapped at 1 watt, one side of the call switch may be attached to the 4- watt tap, the other side of the call switch may be connected to the zone’s “B” switch input.
  • The call switch may also be connected to one side of the speaker line through a 1.5k resistor. For example, one side of the call switch may be connected to either side of the speaker line through a 1.5k resistor with the other side of the call switch may be call switch may be connected to the zone’s “B” switch input.

 

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