Description
Clear-Com TW-12C System Interface Rack Mount (1RU)
Clear-Com/RTS System Interface Rack Mount (1RU), connects Clear-Com to Clear-Com or Clear-Com to RTS systems. Clear-Com TW-12C connects a single channel of intercom from one system to another. Opt isolation eliminates hums and buzzes. Compensates for level and impedance differences between systems. Allows Clear-Com-to-Clear-Com, Clear-Com-to-RTS, and RTS-to-RTS system configurations. Powered by the connected intercom system. Translates “call” signals in both directions. Clear-Com TW-12C intercom system interface is designed for connecting one intercom system to another, without compromising the audio quality of either system.
Features
- System isolation for Clear-Com to Clear-Com, Clear-Com to RTS, RTS to RTS
- Eliminates grounding problems between intercom systems
- Matches gains between systems
- Passes through and translates signaling
- Hybrid nulling up to 40 dB
- Built-in setup tone
- Powered directly from the connected intercom system
Specifications
| Clear-Com Format | Line Characteristics |
| Max Level Before Clipping : >=3dBu | |
| Impedance: >=10KΩ | |
| Signalling | |
| Receive: <=4 VDC | |
| Send: >=11VDC | |
| RTS Format | Line Characteristics |
| Max Level Before Clipping : >=5dBu | |
| Impedance: >=10KΩ | |
| Signalling Tone | |
| Send frequency: 20kHz ±100Hz | |
| Receive frequency: 20kHz ±500Hz | |
| Send level: >=-6dBu | |
| Receive level: <=-25dBu | |
| General Characteristics of TW12C | |
| Frequency Response | Party-line – Party-line: 200-8KHz |
| Distortion | Party-line – Party-line: <=0.2% |
| Max Gain | Clear-Com – RTS: >=9dB |
| Clear-Com – Clear-Com: >=4dB | |
| RTS – Clear-Com: >=-1dB | |
| RTS – RTS: >=4dB | |
| Min Gain | Clear-Com – RTS: <=1dB |
| Clear-Com – Clear-Com: <=-4dB | |
| RTS – Clear-Com: <=-9dB | |
| Power Requirements | Input Voltage Range: 20-30VDC |
| Input Current (average): <=50mA | |
| Rear Panel Connectors | Rear panel: (2) XLR3M (1 per channel) |
| (2) XLR3F (1 per channel) | |
| Front Panel Connectors | Headset: (1) XLR4M |
| TS1 Earphone: (1) 3.5mm Jack Socket | |
| Front Panel Controls and Indicators | Power: (2) Green LED (1 per channel) |
| Null Test Button : (2) Buttons (1 per channel) | |
| Gain Level Adjust: (2) Controls (1 per channel) | |
| Null Adjust: (6) Controls (3 per channel) | |
| Connection Type Switch: (2) Switches (1 per channel) | |
| Pin Connection Select Switch: (2) Switches (1 per channel) | |
| Dimensions | 1.75in. H x 19in. W x 7.25in. D |
| (45 x 483 x 185 mm) | |
| Weight | 5.63 lbs. (2.56 Kg) |
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