Application: provides remote 4-channel interrupt (talk) location for IFB system based on two Model 2A Central Controller units, up to four Model 24 units can be connected to the two Model 2A Central Controllers
Power Requirements: 18 Vdc, 50 mA nominal, provided by connected Model 2A Central Controller
Interconnections: two DE-9F (9-pin D-subminiature female) connectors; each links the Model 24 with a Model 2A Central Controller
Interrupt Switches: 5
Functions: IFB 1-4, All Call
Type: momentary pushbutton, EAO 99-series, all backlit, tally indication for IFB 1-4 functions
Microphone Input:
Compatibility: 2-wire electret, designed for use with Studio Technologies' Model 11A Gooseneck Microphone (purchased separately)
Intended Input Level: –25 dBu nominal
Connector: three terminals on a screw terminal strip
Line Input:
Type: transformer coupled, compatible with balanced or unbalanced audio signals
Input Impedance: 40 k ohms, nominal
Input Level: –15 to 10 dBu, adjustable using trim potentiometre
Connector: two terminals on a screw terminal strip
Monitor Muting: switch selectable, allows Model 24 interrupt activity to mute monitor amplifier outputs on Model 2A Central Controllers
Dimensions (Overall):
6.4 inches wide (16.3 cm)
1.6 inches high (4.1 cm)
5.2 inches deep (13.2 cm)
Mounting: rack mounted using Model 27A 19-Inch Rack Adapter (purchased separately); can also be flush mounted in custom-fabricated rectangular opening in enclosure or work surface
Weight: 0.8 pounds (0.35 kg)
Model 27A 19-Inch Rack Adapter
Application: intended for use with one Model 24 Access Station and one Model 11A Gooseneck Microphone
Dimensions (with Model 24 attached):
19.0 inches wide (48.3 cm)
1.72 inches high (4.4 cm)
5.2 inches deep (13.2 cm)
Mounting: one space (1U) in a standard 19-inch rack
Weight (with Model 24 attached): 1.6 pounds (0.7 kg)
Specifications subject to change without notice.