Emulex DCP_link - Manual (Page 35)

3-2 Chapter 3
DCP386I/486E DAUGHTERBOARD CABLING ............................................. 3-20
RS-232 C ABLING .......................................................................................... 3-20
RS-232 Standard Cable......................................................................... 3-21
RS-232 Null-Modem Cable (Crossover) .............................................. 3-22
RS-232 Three-Wire Port Cable ............................................................ 3-22
RS-422/X.21 C ABLING ................................................................................. 3-23
RS-422 Standard Cable......................................................................... 3-24
X.21 Adapter Cable .............................................................................. 3-25
RS-422 Null-Modem Cable .................................................................. 3-26
TROUBLESHOOTING ....................................................................................... 3-27