Cisco NIM-4FXS | 4-Ports FXS Network Interface Module

Technical Specifications:
- Interface Type: FXS
- Ports: 4 x FXS
- Connectivity Technology: Wired
- Data Link Protocol: FXS
- Line Rate: 2.048 Mbps
- Max Transfer Distance: 3.1 miles
- Status Indicators: Link activity, power
- Expansion Slots: 1 x expansion slot
- Compatible Slots: 1 x expansion slot
- Designed For: Cisco 28XX, 28XX 2-pair G.SHDSL bundle, 28XX 4-pair G.SHDSL bundle, 28XX V3PN bundle, 28XX VPN bundle, 29XX, 38XX, 38XX V3PN bundle, 38XX VPN bundle, 39XX

Helpful Notes:
- The NIM-4FXS is a network interface module designed for Cisco routers and switches.
- It provides 4 FXS ports for connecting analog devices such as telephones, fax machines, and modems.
- The module supports a line rate of 2.048 Mbps and can transfer data up to a distance of 3.1 miles.