Com Ports; Figure; Vtc-20F Cable And Null Modem Adapter - Octagon Systems XE–700 Reference Manual

Figure 4–1

COM ports

Serial Device
on COM2
Serial Device
on COM1
RS–422 or RS–485
device on COM4
COM3 RS–422 or RS–485
Figure 4–2

VTC-20F cable and null modem adapter

Null Modem Adapter,
required for serial console
40
COM4, COM3
RS–232C
VTC-20F cable
0.100 in. RS–422/485 cable
Up to four serial devices total; two to four
RS–232, one or two RS–422 or RS–485.
P3
P2
VTC-20F Cable
COM2
COM1
XE–700