User's Manual

Cabling the BSR

The following lists the cable setup for BSD chaining:

Cable: RJ-45-to-RJ-45 crossover

Connector: 8-pin RJ-45

Connector pinouts:

BSDU connecting cable connector pinouts

Crossover cable

8-PIN RJ 45

(BSDU'S 10/100/1000 BASE-T PORT)

8-PIN RJ 45

(BSDU'S 10/100/1000 BASE-T PORT)

Pin SIGNAL Pin SIGNAL

1 Tx+ 1 Rx+

2 Tx- 2 Rx-

3 Rx+ 3 Tx+

6 Rx- 6 Tx-

Note: Pins not defined are not used

To chain BSDUs:

1. On the first BSDU, connect the RJ-45 connector, at one end of the crossover cable, to one

of the two 10/100/1000 Base-T ports (labeled 1 or 2) located on the BSDU's front panel.

2. On the second BSDU, connect the RJ-45 connector, at the other end of the crossover cable,

to one of the two BSDU's 10/100/1000 Base-T ports (labeled 1 or 2) located on the BSDU's

front panel.

Cable connections for BSDU daisy chaining with GPS

Note: When connecting BSDU's it does not matter which one of the two 10/100/1000

Base-T ports you use two connect two BSDUs