1. Interface Type: FXS/DID
2. Compatibility: Cisco 2600, 2800, 3600, 3700, and 3800 Series Routers
3. Number of Ports: 4
4. Signaling Protocol: SCCP, MGCP, H.323, and SIP
5. Caller ID Support: Yes
6. Fax Support: T.38 and pass-through
7. Loop Start Signaling Support: Yes
8. Ground Start Signaling Support: Yes
9. Battery Reversal Detection Support: Yes
10. Ring Voltage: -48 VDC nominal
11. Ring Frequency: 20 Hz to 25 Hz
12. Maximum Ring Load: 5 REN per port
Helpful Notes:
1. The VIC-4FXS/DID card enables connectivity to analog phones, fax machines, and modems.
2. The card supports both FXS (for connecting to analog phones) and DID (for connecting to a PBX) signaling protocols.
3. The VIC-4FXS/DID card is hot-swappable, allowing for easy installation and removal without powering down the router.
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