Features

• 2 RJ-45 local area network (LAN) connectors
• 1 RJ-21X port for punchdown block, patch panel, or 12-port harmonica connector
  • 24 extension ports (FXS)
• 1 RJ-11 port for connection to the extension side of the Power Fail Transfer Unit (Extension 9)
• 1 DB-9, RS-232C maintenance port for serial communications
• 1 3.5 mm stereo input for connecting a music-on-hold source
• 1 3.5 mm stereo output for connecting to a overhead paging system or night bell

Dimensions

1.72 x 17.16 x 14.28 inches (43.68 x 435.86 x 362.71 mm)

Weight

9 lb (4.08 kg)

Input voltage

100-240 VAC, 50-60 Hz

Power consumption

2A max

Humidity

0-90% relative humidity (non-condensing)

Operating temperature

0-50° C