3Com Router 3016 - Page 63

Serial Interface Cable 63
EIA/TIA-449 DCE Cable
Pinouts
Table 12 describes EIA/TIA-449 DCE cable pinouts.
EIA-530 DTE Cable
Pinouts
Table 13 describes EIA-530 DTE cable pinouts.
Tab le 12 EIA/TIA-449 DCE Cable Pinouts
DB50 Signal Signal Direction Signal DB37
7 GND <--> Circuit GND 19
50 GND <--> Shield GND 1
8 DTR/DSR+ -> DM+ 11
32 DTR/DSR- -> DM- 29
13 DSR/DTR+ <- TR+ 12
37 DSR/DTR- <- TR- 30
10 RTS/CTS+ -> CS+ 9
34 RTS/CTS- -> CS- 27
38 CTS/RTS+ <- RS+ 7
14 CTS/RTS- <- RS- 25
36 DCD/DCD+ <- RR+ 13
12 DCD/DCD- <- RR- 31
20 RXD/TXD+ <- SD+ 4
44 RXD/TXD- <- SD- 22
15 TXD/RXD+ -> RD+ 6
39 TXD/RXD- -> RD- 24
16 TXCE/RXC+ <- RT+ 8
40 TXCE/RXC- <- RT- 26
19 RXC/TXCE+ <- TT+ 17
43 RXC/TXCE- <- TT- 35
17 NIL/TXC+ <- ST+ 5
41 NIL/TXC- <- ST- 23
- Shielding sheath <--> Shielding sheath -
Tab le 13 EIA-530 DTE Cable Pinouts
DB50 Signal Signal Direction Signal DB25
7 GND <--> Circuit GND 7
23 DCE/DTE - Circuit GND 7
50 GND <--> Shield GND 1
8 DTR/DSR+ -> DTR+ 20
32 DTR/DSR- -> DTR- 23
13 DSR/DTR+ <- DSR+ 6
37 DSR/DTR- <- DSR- 22
10 RTS/CTS+ -> RTS+ 4
34 RTS/CTS- -> RTS- 19
38 CTS/RTS+ <- CTS+ 5
14 CTS/RTS- <- CTS- 13
36 DCD/DCD+ <- DCD+ 8
12 DCD/DCD- <- DCD- 10