34CHAPTER 3: INSTALLING THE HARDWARE

Cabling the

The SuperStack II NETBuilder SI bridge/router has two Ethernet ports,

Connectors

either two or four serial ports depending on the model, and one of the

 

following WAN ports: ISDN S/T (43x and 53x), ISDN U (44x and 54x),

 

56/64 Kbps CSU/DSU (45x and 55x), or T1/FT1 CSU/DSU (46x and 56x).

 

This section describes how to cable each port on your bridge/router.

 

Boundary router models can use only one Ethernet port and only one

 

serial or WAN port can be active at a time. You can cable the remaining

 

serial or WAN ports to be used as back-up. If you upgrade to full router

 

software, the second Ethernet port and back-up serial ports will be

 

functional.

Cabling the LAN Connectors

You can cable one or two Ethernet connectors using either 10BASE-T or 100BASE-TX cabling. If you have a boundary router, cable only the L1 connector.

 

LAN

 

 

L1

L2

L1

L2

100mb

 

 

Link

 

 

Active

 

 

Fault

10BASE-T or 100BASE-TX cables

For more information about Ethernet connectors and cables, see “LAN Connector and Cables” on page 165.

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Image 34
3Com SuperStack II, NETBuilder SI Cabling, Connectors, Following WAN ports Isdn S/T 43x and 53x, Isdn U 44x, Functional