3-2 Chapter 3
DCP386I/486E DAUGHTERBOARD CABLING............................................. 3-20
RS-232
CABLING.......................................................................................... 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
CABLING ................................................................................. 3-23
RS-422 Standard Cable......................................................................... 3-24
X.21 Adapter Cable .............................................................................. 3-25
RS-422 Null-Modem Cable.................................................................. 3-26
TROUBLESHOOTING ....................................................................................... 3-27