Broadata Communications 285E Series - Manual (Page 12)

BCI 285E User’s Manual
Digital Fiber Optic Audio/Data Transport System
Broadata Technical Support, [email protected] 13
Figure 2-6
Pin Connections Between 285E and User’s RS-422 Device
1 Not Used
2 Not Used
3 Not Used
4 Not Used
5 Signal Ground 6 TX +
7 TX -
8 RX +
9 RX -
Pin Name Pin Name
Differential
Transmit Data
Differential
Receive Data
1 2 3 4 5
6 7 8 9
DTE
(User’s RS-422 unit)
DCE
(BCI 285E-TRX unit)