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AR-B1462 User¡¦s Guide
3-10
(3) TTL Connector (CN16)
1 93 5 7
8 10642
Figure 3-17 CN16: TTL Connector
CN16 Signal CN16 Signal
1 TTLOP0 2 TTLIP0
3 TTLOP1 4 TTLIP1
5 TTLOP2 6 TTLIP2
7 TTLOP3 8 TTLIP3
9 GROUND 10 VCC
Table 3-4 TTL Pin Assignment
(4) RS-232 Connector (CN4)
There are four serial ports with EIA RS-232C interface on the AR-B1462. To configure these serial ports, use the
BIOS Setup program, and adjust the jumpers on M5 and SW1.
1 3
5
21191715131197 3735333129272523 39
1412108642 3028262422201816 4038363432
54321
6 7 8 9
COM-A
54321
6 7 8 9
COM-B
54321
6 7 8 9
COM-C
54321
6 7 8 9
COM-D
Figure 3-18 CN4: RS-232 Connector
CN4 DB-9 Signal CN4 DB-9 Signal
1 A-1 -DCDA 2 A-6 -DSRA
3 A-2 RXDA 4 A-7 -RTSA
5 A-3 TXDA 6 A-8 -CTSA
7 A-4 -DTRA 8 A-9 -RIA
9 A-5 GNDA 10 -- GNDA
11 B-1 -DCDB 12 B-6 -DSRB
13 B-2 RXDB 14 B-7 -RTSB
15 B-3 TXDB 16 B-8 -CTSB
17 B-4 -DTRB 18 B-9 -RIB
19 B-5 GNDB 20 -- GNDB
21 C-1 -DCDC 22 C-6 -DSRC
23 C-2 RXDC 24 C-7 -RTSC
25 C-3 TXDC 26 C-8 -CTSC
27 C-4 -DTRC 28 C-9 -RIC
29 C-5 GNDC 30 -- GNDC
31 D-1 -DCDD 32 D-6 -DSRD
33 D-2 RXDD 34 D-7 -RTSD
35 D-3 TXDD 36 D-8 -CTSD
37 D-4 -DTRD 38 D-9 -RID
39 D-5 GNDD 40 -- GNDD
Table 3-5 RS-232 Connector Pin Assignment