Broadata Communications 235 Series - Manual (Page 15)

BCI 235 User’s Manual
Digital Fiber Optic S-Video/Audio/Data Transport System
Broadata Technical Support, (800) 214-0222 16
Figure 2-7
Pin Connections Between 235 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-232 unit)
DCE
(BCI 235-TRX unit)