

Cisco 1600 Series Routers
The Cisco 1600 series is the proven choice for data access for small businesses and
small branch offices. Together with its WAN interface cards and Cisco IOS software, the
Cisco 1600 series delivers the flexibility, security, and functionality that small offices
demand today and as networks evolve.
Cisco 1600 routers connect Ethernet LANs to WANs via ISDN, asynchronous serial and
synchronous serial connections, supporting Frame Relay, leased lines, Switched 56,
Switched Multimegabit Data Service (SMDS), and X.25.
The Cisco 1601-1604 models have an Ethernet port, a built-in WAN port, and a slot for
an optional second WAN port. The 1605-R router has two Ethernet ports and one WAN slot.
All models are available with optional Cisco IOS Firewall feature set.

Chassis: