Page 18–12
FOCUS System Manual
FOCUS
FIBER OPTIC COMMUNICATIONS FOR UTILITY SYSTEMS
TXD A
TXD B
TXC A
TXC B
RXD A
RXD B
RXC A
RXC B
COM
NC
RS-422 (64R) Module with Female DB-25
SEL 311L Port X or Y
2
2
14
14
15
15
12
12
3
3
16
16
17
17
9
9
7
7
1
Figure 18–11 64R Module Pin-outs to SEL 311L Port X or Y .
