Figure 5–1 COM ports
COM2
COM1
Serial Device
on COM2
Serial Device
on COM1
RS–422 or RS–485
Device on COM2
1.25 mm RS–422/485 cable
XE–800 SBC
VTC-20F cable
Figure 5–2 VTC-20F cable and null modem adapter
VTC-20F Cable
P3
P2
Null Modem Adapter,
required for serial console
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