Chapter 1- Product Overview; I/O Ports On The Frx4000 - Cabletron Systems Netlink FRX4000 Maintenance Manual

The Netlink FRX4000 is used to provide concentration and access
TM
to remote devices. Each FRX4000 supports up to eight serial inter-
faces. (The FRX6000 is generally used where more than eight serial
interfaces are required.) The FRX4000 provides local and remote
switching, and (on devices with video interfaces) features an intu-
itive, menu-based management structure that allows complete local
and remote control of other Cabletron frame relay devices in the
family of FRX4000, FRX6000, SmartSwitch 1800, and 9W004.
Detailed product descriptions can be found in the Netlink FRX4000/
FRX6000 User Guide.
A basic FRX4000 contains four serial ports for connection to a frame
relay or X.25 network, user devices, and/or other Cabletron frame
relay devices (FRX4000, FRX6000, SmartSwitch 1800, 9W004).
Each FRX4000 also contains one LAN interface, either Ethernet or
Token Ring. An optional serial expansion card offers four more
WAN ports.
Ports 4–7 are on optional
LAN port
WAN 4 WAN 5 WAN 6 WAN 7
Optional WAN 0 WAN 1 WAN 2 WAN 3
CSU/DSU port
Figure 1-1 I/O Ports on the FRX4000
The main board on the FRX4000 supports four serial
ports. If the CSU/DSU port is used, WAN port 1 is dis-
abled.
I/O cables are available for WAN ports 0–7 in several configura-
tions, described in Appendix
Product Overview
expansion module
A.
Chapter 1