Rs-232 null-modem cable (crossover), Rs-232 three-wire port cable, 22 chapter 3 – Emulex DCP_link User Manual
Page 55: Figure 3-16 (not supplied by emulex), Figure 3-17
3-22 Chapter 3
RS-232 Null-Modem Cable (Crossover)
TRANSMIT DATA
RECEIVE DATA
REQUEST TO SEND
CLEAR TO SEND
DATA SET READY
SIGNAL GROUND
DATA CARRIER DETECT
TRANSMIT CLOCK
RECEIVE CLOCK
DATA TERMINAL READY
1
2
3
4
5
6
7
8
15
17
20
1
2
3
4
5
6
7
8
15
17
20
TRANSMIT DATA
RECEIVE DATA
REQUEST TO SEND
CLEAR TO SEND
DATA SET READY
SIGNAL GROUND
DATA CARRIER DETECT
TRANSMIT CLOCK
RECEIVE CLOCK
DATA TERMINAL READY
CHASSIS GROUND
TERMINAL
DCP PORT
DB25 FEMALE
Figure 3-16 (Not Supplied by Emulex)
RS-232 Three-Wire Port Cable
DCP PORT
DTE
1
z
CHASSIS GROUND
z
1
2
z
TRANSMIT DATA
TRANSMIT DATA
z
2
3
z
RECEIVE DATA
RECEIVE DATA
z
3
7
z
SIGNAL GROUND
z
7
Figure 3-17