4
Specifications
General
Input Power Requirements: 100 to 240 VAC, 50/60 Hz
Output Power (each channel): 24 ±1 VDC, 2 A
Dimensions 1.75”(44.5 mm) high x 8.25” (209.5 mm) wide x 10.31” (261.9 mm) deep
Weight: approximately 2.5 lb (1.13 kg)
Environmental Requirements:
Storage: -20°C to 80°C, 0% to 95% humidity, non-condensing
Operating: 0°C to 50°C, 0% to 95% humidity, non-condensing
Intercom Channels
General
Connector Type: One XLR-3M audio connector for each channel. Pin-out depends on setting of BAL / UNBAL
switch for balanced or unbalanced operation as defined below:
Balanced Mode (set to BAL position)
Line Terminating Impedance: 300 ohms ±10%
Connector Pin-out:
Pin 1
Common (audio and DC return)
Pin 2
Full-duplex, balanced intercom audio and +24 VDC output
Pin 3
Full-duplex, balanced intercom audio and +24 VDC output
Unbalanced Mode (set to UNBAL position)
Line Terminating Impedance: 150 ohms ±5%
Connector Pin-out:
Pin 1
Common (audio and DC return)
Pin 2
+30 ±1 VDC output
Pin 3
Full-duplex, unbalanced Intercom audio high
Approvals
UL, CUL, CE
