3Com Router 3012 User Manual

Serial Port Cable 61
EIA/TIA-449 DCE Cable
Pinouts
Figure 37 illustrates the EIA/TIA-449 DCE cable.
Figure 37 EIA/TIA-449 DCE Cable Assembly
Table 38 describes EIA/TIA-449 DCE cable pinouts.
40 TXCE/RXC- -> TT- 35
19 RXC/TXCE+ <- RT+ 8
43 RXC/TXCE- <- RT- 26
18 TXC/NIL+ <- ST+ 5
42 TXC/NIL- <- ST- 23
- Shielding sheath <--> Shielding sheath -
Table 37 EIA/TIA-449 DTE Cable Pinouts (continued)
DB50 Signal Signal Direction Signal DB37
Tab le 38 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

3Com Router 3012 Specifications

General

Brand	3Com
Model	Router 3012
Category	Network Router
Language	English