Overview
Clear-Com 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 / Documents
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)
