Overview
HB-702 2 Channel Select Flush Mount Headset Station
2-Channel Select Flush-Mount Headset Station (4.5" X 4.5") Mounts in Console or Standard 2-Gang Electrical BoxHB-702 is a selectable two-channel wall or console-mounted headset station. Microprocessor-controlled logic and switching, with momentary/latching talk button. Visual call signaling.Optional 4-wire and TW daughter boards
- Momentary/Latching Talk switch with LED
- Microprocessor controlled logic and switching
- Visual call signaling
- Headset connector with volume control and sidetone adjust
- Optional 4-wire daughter board for flexibility
- Mountable into a standard US two-gang outlet box
Specifications
Headset Microphone Input
Input Type: Dynamic
Input Impedance: >= 1K
Mic Limiter Threshold: -2dBu ± 3dB
Mic Limiter Range: >= 15dB
Program Line Input
Input Impedance: >= 5K
Headset Output
Load Impedance: >= 8
Output Impedance: <= 25
Output Limiter Threshold: +5dBu ± 3dB
Maximum Output Level before Distortion: >= 17dBu
Partyline Output
Off Noise: < -74dBu
Output Impedance: >10K
Partyline Input
Crosstalk: < -60dB
Max level before Clipping: >= 12dBu
Frequency Response
Headset Mic – Partyline: 300 – 15kHz ± 3dB
Partyline – Headset Out: 300 – 15kHz ± 3dB
Max Distortion
Headset Mic – Partyline: <= 0.5%
Partyline – Headset Out: <= 0.2%
Noise
Headset Mic – Partyline: < -70dBu
Max Gain
Headset Mic – Partyline: 41dB ± 2dB
Partyline – Headset Out: >= 34dB
Power
Input Voltage Range: 20-30V DC
Input Current (Idle): <= 50mA
Input Current (Max): <=100mA
Internal Adjustments and Connections
Intercom Line: Seven terminal connector
Option Switches: Two DIP switches
Option Board Jumper: Two sets of options jumpers
Environmental
32 – 122°F (0 – 50°C)
Dimensions
4.5 x 4.6 1.75in (HxWxD)
(114 x 117 x 44mm)
Weight
0.46lbs (0.21kg)
