Cabletron Systems CSX1000 - Manual (Page 66)

USER’S GUIDE
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Note that the module consists of four pairs of numbered RJ45 ports; you must properly connect the
CSX1200 BRI ports to the corresponding U4 S/T interface ports of each pair on the module. We
provide four 6-inch, category 5, twisted-pair cables (with RJ45 connectors) for this purpose:
1. Using the twisted-pair cables, connect BRI port 1 to the S/T interface port labelled number 1,
BRI port 2 to S/T interface port number 2, and so on. The module then converts the S/T
interface to a U interface for each pair of ports.
2. Next, use the category 5 straight-through interface cables (with RJ45 connectors) to link the U-
port in each pair to the service provider’s ISDN jack.
Note: For network safety, use only 26AWG or heavier (i.e., a lower numerical value) cable for all
CSX1200 and U4 interfaces.
CONSOLE 10Base-T AUI
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