Features
- Provide until 32 channels telephone interface
- Telephone interface
- Small size, attractive appearance, easy installation
- Improve the status display status, easy maintenance and management
- Structure size desktop
Technical Specifications
| Type | 31 Channel telephone |
| Enthernet | FB |
| Rate | 10 m or 100 m |
| Frequency Characteristic | 300 Hz to 3400 Hz |
| Wire AC Input Impedance | 880 |
| Crosstalk Attenuation | > 65 dB |
| Weighted Noise | < 63.7 dBmop |
| Relay Port | Connection with the switch |
| Ring Frequency | 22 mA to 50 mA |
| Return Loss | 20 db |
| Size | 19.09 in x 5.31 in x 1.57 in (48.5 cm x 13.5 cm x 4.0 cm) |
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