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Module mở rộng cho Router Cisco SM-X-72FXS
| Model | SM-X-72FXS |
| Tip and ring interfaces for each FXS port (SLIC) | |
| Interface | FXS (RJ-21) |
| Address signaling formats | In-band DTMF Out-of-band pulse (8 to 12 pps) |
| FXS signaling formats | FXS loop-start, ground start, and DID signaling |
| FXS loop resistance | ● Up to 600 ohms (including phone or terminal equipment) for short-loop-length port ● Up to 1400 ohms (including phone and terminal equipment) for long-loop-length port |
| DID loop resistance | ● Up to 1800 ohms (including terminal equipment) |
| On-hook voltage | ● -44V |
| Off-hook loop current | ● 25 mA (maximum) for short-loop-length port ● 35 mA (maximum) for long-loop-length port |
| Ring tone | ● Configurable for different country requirements |
| Ring voltage | ● 54 Vrms into 5 ringer equivalence numbers (RENs) at zero-loop-length port (balanced) (short-loop-length port) ● 65 Vrms into 2 RENs at zero-loop-length port (balanced) (long-loop-length port) |
| Ring frequency | ● 20, 25, 30, and 50 Hz |
| REN loading | ● 5 RENs per port (short-loop-length port) ● 2 RENs per port (long-loop-length port) |
| RJ-11 FXS port terminating impedance option | ● 600c, 600r, 900c, 900r, complex1, complex2, complex3, complex4, complex5, and complex6 |
| Disconnect supervision | ● Power denial (calling party control and far-end disconnect) |
| Caller ID | ● On-hook transmission of Frequency-Shift-Keying (FSK) data ● Support for DTMF caller ID |
| FXS loop length | ● Short-loop-length port: 3000 ft (900 m) with 26 AWG, 5500 ft (1700 m) with 24 AWG ● Long-loop-length port: 11,000 ft (3400 m) with 26 AWG, 18,000 ft (5500 m) with 24 AWG |
| Cables | ● Category 3 and Category 5 |
| Environment | |
| Operating temperature | ● 32º to 104ºF (0º to 40ºC) |
| Nonoperating temperature | ● -40º to 158ºF (-40º to 70ºC) |
| Voltage | 12V from backplane |
| Current | 10.68A on 12V |
| Power | 128.16W |
| Weight | 4.94 lb (2.24 kg) |
| Dimensions (H x W x D) | 1.58 x 15.57 x 7.57 in (4.02 x 39.55 x 198.23 cm) |
SM-X-72FXS : 72-port FXS double-wide service module
Data sheet Cisco High-Density Analog Voice and Fax Service Modules
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