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3-2 Pelco Manual C501M-B (10/97)
3.1.6 Keyboard Interface
Protocol: Balanced differential 10V peak-to-peak
Number of ports: 8
Number of independent keyboards: 8 maximum
Baud Rate: 9600
Connector type: RJ-45 8-pin modular (female)
Cable type (supplied): 25 feet, flat, unshielded
(may be shielded)
Programmable: Yes; on-screen, menu-driven
3.1.7 Alarm Interface Inputs
Number of inputs: 32
Connector type: Two (2) 37-pin D-type female
Sensing: Normally open
3.1.8 Relay Follow Outputs
Number of outputs: 32
Connector type: Two (2) 50-pin D-type female
Contact configuration: Double pole, normally open or normally closed
Contact rating: 1A @ 24 VDC, 0.5A @ 120 VAC
3.1.9 Power Supply
Input voltage: 120/230 VAC, 50/60 Hz
Power consumption: 100 W
Ambient operating temperature range: 20° to 120°F (-7° to 49° C)
Humidity: 80% max.
Fusing: 120 VAC models: 2 A @ 250 VAC, 5 x 20 mm
230 VAC models: 1 A @ 250 VAC, 5 x 20 mm
Power on/off switch: Rocker type
3.1.10 Physical Specifications
Dimensions: 17.07"W x 5.25"H x 20.06"D
(43.36 cm x 13.34 cm x 50.95 cm)
Approximate Weight:
Fully-configured: 34 lbs (15.5 kg)
Card Cage Only: 24 lbs (11.0 kg)
Shipping Weight:
Fully-configured 37 lbs (16.8 kg)
Card Cage Only: 27 lbs (12.3 kg)
Construction: Cover - Steel, gray poly vinyl powder coat