Alternate Console Jumper - Digital Equipment 300 Series AXP Reference Manual

To switch to the alternate console by changing the alternate
Or, Change
the Alternate console jumper, remove the system unit cover (see Chapter 2),
and reset the jumper, shown in Figure 6–2 and labeled W2.
Console
Jumper
By setting the jumper, you can select either of the following ports
for console output:
•
•
(Pins 3 and 4 are reserved.)
Figure 6–2 Alternate Console Jumper
Do not perform any tasks inside the system unit without
attaching the antistatic wrist strap to your wrist and to
the system, as shown in Figure 6–2.
The graphics port: pins 1 and 2 (default)
The serial port for an alternate console device: pins 2 and 3
Setting the Alternate Console Feature
Note
1
2
3
4
MLO-009789
6–5