User's Manual

Table Of Contents
July 23, 2002 5-9
CreataLink2 XT Hardware Integrator’s Guide Testing
Troubleshooting
Troubleshooting
Before you perform detailed troubleshooting, check for faults in the external power
source, including fuses, circuit breakers, and interlocking safety switches
(see Table 5-3).
Table 5-3. Troubleshooting
Problem Fault Isolation
No power up
1. Check all interface cables for secure connections. Repair or replace as required.
2.
Check 22-pin connector pin 1 for Supply voltage (NUF3902: 5-12 Vdc and
NUF8006: 5-16 Vdc).
No serial I/O
1. Check continuity of 22-pin connector at data transceiver connection.
2.
Verify that the proper pins are being used for communication (pins 3 and 7 for TTL
and 4 and 8 for RS232)
3.
Check to see that a null modem type connection is being used for Rx/Tx serial
communication
No transceiver over
the air (OTA)
communications
1. Check registration status using proper CLP protocol command.
a
a. Refer to the Communication Linking Protocol Reference Manual listed in "Related Publications"
2. If not registered, check out-of-range status using proper CLP protocol command.
a
3.
Check connection at antenna and connection at the CreataLink2 XT data transceiver
SMA connector.
4. Make sure LED is blinking, indicating power
5. Check backup battery voltage/alternate power if used as transmit supply
6. Verify that your TX_SUPPLY in the codeplug is configured as desired