Cisco NIM-4E/M= | Fourth-Generation 4-Ports Analog Voice Network Interface Module

1. Interface Type: Expansion module
2. Form Factor: Plug-in module
3. Ports Qty: 4 ports
4. Connectivity Technology: Wired
5. Data Link Protocol: Ethernet, Fast Ethernet, Gigabit Ethernet
6. Data Transfer Rate: 1 Gbps
7. Network / Transport Protocol: TCP/IP, UDP/IP
8. Remote Management Protocol: SNMP, Telnet, HTTP, HTTPS
9. Features: VLAN support, IPv6 support, Quality of Service (QoS), Jumbo Frames support
10. Compliant Standards: IEEE 802.1Q, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x
11. Compatibility: Cisco 4451-X, 4431, 4351, 4331, 4321, 4221
12. Dimensions (WxDxH): 7.2 in x 7.3 in x 1.6 in

Notes:
1. This module offers high-speed connectivity for network-intensive applications.
2. It supports advanced network features like VLAN and QoS for efficient network management.
3. The module is compatible with a wide range of Cisco routers, making it a versatile networking solution.