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The Sonus SBC 1000 FXS cards, both upper and lower, comprise four standard FXS ports with RJ-11 connectors. The RJ-11 connectors on the FXS card are Black black in color so that they can be easily distinguished from the Sonus SBC 1000 FXO cards (grey gray connectors) when installed in the chassis.
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Item | Value/Dimension |
|---|---|
Maximum external Off-Hook resistance in short loop mode | 600 ohms (This includes the resistance of the cable and the DC resistance of the termination device) |
Typical Loop Current Limit | 22 ma/port |
Typical FXS Port Ringing Voltage | 45V RMS with 3 REN load |
Maximum Loop Length | 3000m |
| Cable Gauge | 24 AWG |
Dimensions and Weight
| Card | Height mm/in. (PCB only) | Width mm/in. (PCB only) | Height mm/in. (Includes Connector overhang) | Width mm/in. (Includes Connector overhang) | Total Weight (lbs) |
|---|---|---|---|---|---|
| FXS Upper | 139.7/5.50 | 76.2/3.00 | 143.0/5.63 | 76.2/3.0 | 0.1 |
| FXS Lower | 139.7/5.50 | 76.2/3.00 | 143.0/5.63 | 76.2/3.0 | 0.2 |
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