3Com Router 3012 - Page 56

56 CHAPTER A: OPTIONAL CABLE SPECIFICATIONS
27 RxD/TxD <— 2 TxD
2 RTS/CTS —> 5 CTS
31 CTS/RTS <— 4 RTS
26 DTR/DSR —> 6 DSR
1 LL/DCD —> 8 DCD
4 TxCE/TxC —> 15 TxC
29 NIL/RxC —> 17 RxC
30 DCD/LL <— 18 LTST
6 DSR/DTR <— 20 DTR
28 RxC/TxCE <— 24 TxCE
50 GND - 1 Shield_GND
7 GND - 7 Circuit_GND
Table 32 V.24 (EIA/TIA-232) DCE Cable Pinouts (continued)
DB-50 Signal Signal Direction DB-25 Signal