HP PCI Multiplexer Family Cabling, Diagnostics, and Troubleshooting Manual

Troubleshooting and Diagnostics
Troubleshooting
Chapter 672
1. Edit the /usr/lib/uucp/Devices file. For example, for a Hayes
compatible 2400 baud modem (where 1a16 is the port where the
modem is located):
ACU cul1a16 2400 hayes
NOTE Modem dial-in entries are normally created by using SAM on HP-UX
11i v1 and HP-UX 11i v2.
System Administration Manager (SAM) is deprecated in HP-UX 11i
v3. HP System Management Homepage (HP SMH) is the system
administration tool for managing HP-UX 11i. SMH provides
web-based systems management functionality, at-a-glance
monitoring of system component health and consolidated log
viewing. SMH also provides Terminal User Interfaces (TUIs).
2. Verify that the serial port works by testing it with a terminal.
3. Make sure the cable connection from the port to the modem is using
the correct cable and adapter. The most common modem installation
problem is an incorrectly configured cable or adapter.
4. Test the modem by typing at the HP-UX prompt:
cu -s 2400 -l/dev/tty1a16 dir
You should see a Connected message (this does not mean that you
are actually connected to the modem) on the console. Then type:
AT
You should see an OK echo on the console. If not, type:
ATE1
After getting the OK echo back from the modem, type:
ATDT[Phone Number]
Any phone number can be used to check out the modem. If the
modem is still not functioning properly, hit a few characters on the
keyboard and see if the TD light flashes on your modem. Check the
cable connection wiring with a breakout box and your modem’s
switch settings.
To disconnect from the modem, type a tilde and a period: