Figure 3-1 Setting Up A Tip Connection - Sun Microsystems Ultra 2 series Service Manual

1. See the following figure. Connect serial port A of the system being tested to serial
port B of another Sun workstation using a serial null modem cable (connect cable
pins 2-3, 3-2, 7-20, and 20-7).
2
3
7
20
Setting Up a tip Connection
FIGURE 3-1
2. On the other Sun workstation, check the /etc/remote file by changing to the
/etc directory and editing the remote file:
hardwire:/ dv=/dev/term/b:br#9600:el=^C^S^Q^U^D:ie=%$:oe=^D:
Note –
The example shows connection to serial port B.
3. To use serial port A:
Copy and paste the serial port B remote file.
Modify the serial port B remote file by changing the /b to /a.
hardwire:/ dv=/dev/term/b:br#9600:el=^C^S^Q^U^D:ie=%$:oe=^D:
hardwire:/ dv=/dev/term/a:br#9600:el=^C^S^Q^U^D:ie=%$:oe=^D:
4. In a shell window on the Sun workstation, type tip hardwire.
hostname% tip hardwire
connected
Note – The shell window is now a tip window directed to the serial port of the
system unit being tested. When power is applied to the system unit being tested,
POST messages will be displayed in this window.
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2
3
7
20
Chapter 3 Power-On Self-Test 3-3