Quick tech specs
- Expansion module
- for Integrated Services Router 4321, 4331, 4351, 4431
- RS-232/449/530/V.35/X.21 x 16
Know your gear
Cisco Gigabit Ethernet WAN Modules bring high-density Ethernet connectivity to the Cisco 4000 Series Integrated Services Routers (ISRs). Providing maximum flexibility, the modules accelerate applications such as Ethernet WAN access, inter-VLAN routing, and high-speed connectivity to LAN switches and servers.
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