Installation guide

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Cisco Interface Cards Installation Guide
OL-1919-12
Chapter 1 Overview of Cisco Interface Cards
Cisco 1600 Series Routers
Cisco 1600 Series Routers
Cisco 1600 series routers connect small offices with Ethernet LANs to the
Internet and to a company’s internal intranet. Cisco 1600 series routers include
the following models: the Cisco 1601, Cisco 1602, Cisco 1603, Cisco 1604, and
Cisco 1605-R (see Figure 1-16 through Figure 1-20).
All Cisco 1600 series models include one Ethernet port, one built-in WAN port,
and one interface card expansion slot for additional connectivity and flexibility.
2-Port E1 Multiflex Trunk
(VWIC-2MFT-E1)
12.2(4)YB 12.2(15)T 12.3(1)
1-Port E1 Multiflex Trunk with G.703
Support (VWIC-1MFT-G703)
12.2(4)YB 12.2(15)T 12.3(1)
2-Port E1 Multiflex Trunk with G.703
Support (VWIC-2MFT-G703)
12.2(4)YB 12.2(15)T 12.3(1)
1. First release available for Cisco 1720 router for data only.
2. First release available for Cisco 1750 router for voice and data.
3. Some ISDN service providers require an external Network Termination 1 (NT1) device to connect an ISDN S/T port to the
ISDN line. If your service provider requires this, you must provide the NT1.
4. The BRI U module does not require an external NT1.
5. This release supports the Cisco 1720 only.
6. Support for single WIC-1ENET.
7. Support for dual WIC-1ENET.
8. Supported on the Cisco 1751 router and the Cisco 1760 router only.
Table 1-5 Cisco IOS Releases Required for Interface Cards in Cisco 1700 Series Routers (continued)
Interface Card
Cisco IOS Limited
Lifetime Releases
First Cisco IOS
T-Train Release
First Cisco IOS
Mainline Release