Sun Microsystems Netra T4 AC100, Service And System Reference Manual

Page: 65 / 284

Chapter 4 Troubleshooting 4-13
The following code examples identify the
watch-net
and the
watch-net-all
output messages.
4.5.2.5 Serial Port Protocol
The serial port protocol is now programmed as RS232 or RS423 using
setenv
rather
than by changing a jumper setting.
To change the serial ports to RS232, type:
To change the serial ports to RS423, type:
CODE EXAMPLE 4-5
watch-net
Diagnostic Output Message
{0} ok watch-net
Internal loopback test -- succeeded.
Link is -- up
Looking for Ethernet Packets.
‘.’ is a Good Packet. ‘X’ is a Bad Packet.
Type any key to stop.................................
CODE EXAMPLE 4-6 watch-net-all
Diagnostic Output Message
{0} ok watch-net-all
/pci@8,700000/network@5,1
Internal loopback test -- succeeded.
Link is -- up
Looking for Ethernet Packets.
‘.’ is a Good Packet. ‘X’ is a Bad Packet.
Type any key to stop.
ok setenv ttya-mode 9600,8,n,1,-,rs232
ok setenv ttyb-mode 9600,8,n,1,-,rs232
ok setenv auto-boot? false
ok reset-all
ok setenv ttya-mode 9600,8,n,1,-,rs423
ok setenv ttyb-mode 9600,8,n,1,-,rs423
ok setenv auto-boot? false
ok reset-all