DB-25 to DB-25, straight-thru DB-25 DB-25 M / F M / F -------- -------- 2 TxD ------------ TxD 2 3 RxD ------------ RxD 3 7 Gnd ------------ Gnd 7 20 DTR ------------ DTR 20 6 DSR ------------ DSR 6 8 DCD ------------ DCD 8 4 RTS ------------ RTS 4 5 CTS ------------ CTS 5 ****************************************** DB-25 to DB-25, crossover DB-25 DB-25 M / F M / F -------- -------- 2 TxD ------------ RxD 3 3 RxD ------------ TxD 2 7 Gnd ------------ Gnd 7 20 DTR --------|--- DSR 6 |--- DCD 8 6 DSR ---|-------- DTR 20 8 DCD ---| 4 RTS ------------ CTS 5 5 CTS ------------ RTS 4 ****************************************** DB-25 to DB-9, straight-thru DB-25 DB-9 M / F M / F -------- -------- 2 TxD ------------ TxD 3 3 RxD ------------ RxD 2 7 Gnd ------------ Gnd 5 20 DTR ------------ DTR 4 6 DSR ------------ DSR 6 8 DCD ------------ DCD 1 4 RTS ------------ RTS 7 5 CTS ------------ CTS 8 ****************************************** DB-25 to DB-9, crossover DB-25 DB-9 M / F M / F -------- -------- 2 TxD ------------ RxD 2 3 RxD ------------ TxD 3 7 Gnd ------------ Gnd 5 20 DTR --------|--- DCD 1 |--- DSR 6 6 DSR ---|-------- DTR 4 8 DCD ---| 4 RTS ------------ CTS 8 5 CTS ------------ RTS 7 ****************************************** RJ-45 (Cyclades) to DB-25, straight-thru RJ-45 DB-25 Cyclades M / F -------- -------- 3 TxD ------------ TxD 2 6 RxD ------------ RxD 3 4 Gnd ------------ Gnd 7 2 DTR ------------ DTR 20 8 DSR ------------ DSR 6 7 DCD ------------ DCD 8 1 RTS ------------ RTS 4 5 CTS ------------ CTS 5 ****************************************** RJ-45 (Cyclades) to DB-25, crossover RJ-45 DB-25 Cyclades M / F -------- -------- 3 TxD ------------ RxD 3 6 RxD ------------ TxD 2 4 Gnd ------------ Gnd 7 2 DTR --------|--- DSR 6 |--- DCD 8 7 DCD ---|-------- DTR 20 8 DSR ---| 1 RTS ------------ CTS 5 5 CTS ------------ RTS 4 ****************************************** RJ-45 (Cyclades) to DB-9, straight-thru RJ-45 DB-9 Cyclades M / F -------- -------- 3 TxD ------------ TxD 3 6 RxD ------------ RxD 2 4 Gnd ------------ Gnd 5 2 DTR ------------ DTR 4 8 DSR ------------ DSR 6 7 DCD ------------ DCD 1 1 RTS ------------ RTS 7 5 CTS ------------ CTS 8 ****************************************** RJ-45 (Cyclades) to DB-9, crossover RJ-45 DB-9 Cyclades M / F -------- -------- 3 TxD ------------ RxD 2 6 RxD ------------ TxD 3 4 Gnd ------------ Gnd 5 2 DTR --------|--- DCD 1 |--- DSR 6 7 DCD ---|-------- DTR 4 8 DSR ---| 1 RTS ------------ CTS 8 5 CTS ------------ RTS 7 ****************************************** RJ-45 (Cyclades) to RJ-45 (Cyclades), straight-thru RJ-45 RJ-45 Cyclades Cyclades -------- -------- 3 TxD ------------ TxD 3 6 RxD ------------ RxD 6 4 Gnd ------------ Gnd 4 2 DTR ------------ DTR 2 8 DSR ------------ DSR 8 7 DCD ------------ DCD 7 1 RTS ------------ RTS 1 5 CTS ------------ CTS 5 ****************************************** RJ-45 (Cyclades) to RJ-45 (Cyclades), crossover RJ-45 RJ-45 Cyclades Cyclades -------- -------- 3 TxD ------------ RxD 6 6 RxD ------------ TxD 3 4 Gnd ------------ Gnd 4 2 DTR --------|--- DCD 7 |--- DSR 8 7 DCD ---|-------- DTR 2 8 DSR ---| 1 RTS ------------ CTS 5 5 CTS ------------ RTS 1 ****************************************** RJ-45 (Cyclades) to RJ-45 (Sun/Cisco), straight-thru RJ-45 RJ-45 Cyclades Sun/Cisco -------- --------- 3 TxD ------------ TxD 3 6 RxD ------------ RxD 6 4 Gnd --------|--- Gnd 4 |--- Gnd 5 2 DTR ------------ DTR 2 7 DCD ------------ DSR 7 1 RTS ------------ RTS 1 5 CTS ------------ CTS 8 ****************************************** RJ-45 (Cyclades) to RJ-45 (Sun/Cisco), crossover RJ-45 RJ-45 Cyclades Sun/Cisco -------- --------- 3 TxD ------------ RxD 6 6 RxD ------------ TxD 3 4 Gnd --------|--- Gnd 4 |--- Gnd 5 2 DTR ------------ DSR 7 7 DCD ------------ DTR 2 1 RTS ------------ CTS 8 5 CTS ------------ RTS 1 ****************************************** RJ-45 (Cyclades) to MMJ (DEC), crossover RJ-45 MMJ Cyclades DEC -------- --------- 3 TxD ------------ RxD 5 6 RxD ------------ TxD 2 4 Gnd --------|--- Gnd 3 |--- Gnd 4 2 DTR ------------ DSR 6 7 DCD ------------ DTR 1