Cisco 1600 Series Routers
The Cisco 1600 Series have become the proven choice for data
access for small branch offices and small businesses because they offer a range
of features specifically designed for such applications:
- Modular design for wide-area network (WAN) choice and flexibility
- Advanced security, including integrated firewall, encryption,
and virtual private network (VPN) software
- End-to-end quality of service (QoS) and multimedia support
- Integrated data service unit/channel service unit (DSU/CSU)
with up to T1 speed and integrated Network Termination (NT1)
- Low cost of ownership through WAN bandwidth optimization
- Ease of use, deployment, and management
Cisco 1600 Series routers connect small offices with Ethernet
LANs to WANs through Integrated Services Digital Network (ISDN), asynchronous
serial, and synchronous serial connections.
The five basic configurations of the Cisco 1600 Series are
- Cisco 1601 - one Ethernet, one serial, one WAN interface
- Cisco 1602 - one Ethernet, one serial with integrated 56-kbps
DSU/CSU, one WAN interface card slot
- Cisco 1603 - one Ethernet, one ISDN Basic Rate Interface
(BRI) (S/T interface), one WAN interface card slot
- Cisco 1604 - one Ethernet, one ISDN BRI with integrated
NT1 (U interface), one S-bus port for ISDN phones, one WAN interface card
- Cisco 1605 - two Ethernet slots, one WAN interface card
The serial WAN port on the Cisco 1601 router supports asynchronous
serial connections of up to 115.2 kbps and synchronous serial connections -
such as Frame Relay, leased lines, Switched 56, Switched Multimegabit Data Service
(SMDS), and X.25 - of up to 2.048 Mbps. The Cisco 1602 router integrates a 56-kbps
four wire DSU/CSU and it supports the same synchronous serial connections as
the Cisco 1601 router (except SMDS). The ISDN BRI port on the Cisco 1603 router
has an S/T interface, while the 1604 includes an integrated NT1 with a U interface.
The Cisco 1605 R Router provides a 10BaseT and an AUI port on the first Ethernet
interface and a 10BaseT port on the second Ethernet interface.
The new Cisco 1600 R routers are essentially the same as the
original models, but they are "run-from-RAM" routers. The new 1600 R models
deliver all the features and benefits of the original models, including the
same interfaces, the same functionality, the same feature sets, and the same
versions of Cisco IOS software and have the same dimensions.
The new feature is simply the memory architecture. In the "run-from-RAM"
routers, software is stored in Flash memory and executed from RAM. The Cisco
1600 R models have three key benefits over the original versions: The first
is increased performance for memory-intensive applications such as encryption
and compression. Second is easier upgradeablity: the Cisco 1600 R routers permit
software upgrades over any interface while the router is running. And third
is lower cost: because the Cisco 1600 R models store the software in compressed
form in Flash memory - less memory is required to run advanced feature sets
(such as Cisco 1600 Series IOS IP PLUS).