Communications Modem

Features

Specifications

• Overall Depth:
  11.0 inches
• Overall Height:
  3.0 inches
• Overall Width:
  12.0 inches
• Federal Supply Class (fsc):
  Miscellaneous communication equipment
• National Stock Number (nsn):
  5895-01-642-2066
• Special Features:
  Radio frequency modem used for communication through monaco fire system; hard wire option; rfm-xhr receives and decodes radio messages from building transceivers and passes the communication over a cable to the d-21 central receiving system; frequency: 138.9250; input: 120 vac, 50/60 hz, 1.75a, 40w; output: plus 13.8 vdc, factory set; fuses: 6.3a, 250v type t fuse; temperature: 32-120 degree f (0-49 degree c); relative humidity: 10-90 percent, noncondensing; black enclosure