Chapter 3 Hardware installation
29
Installation Checklist and Quick Start Guide
Figure 8
BRI ports and pin out (BCM50b shown)
The table
on page 29 and the table
on page 29 list the wiring
details for the RJ-45 ports.
Table 13
BRI port wiring
Pin
Signal
Signal on system side
1
No connection
No connection
2
No connection
No connection
3
+ Receive (+Rx)
+Tx
4
+ Transmit (+Tx)
+Rx
5
–Transmit (-Tx)
–Rx
6
–Receive (-Rx)
–Tx
7
No connection
No connection
8
No connection
No connection
Table 14
BRI line numbering
Port number
Default line numbers on
Expansion port 1
Default line numbers on
Expansion port 2
1
065–066
095–096
2
067–068
097–098
3
069–070
099–100
4
071–072
101–102
BRI port pin out
BRI ports
