Nortel Call Recording, User Manual, Page: 54 / 94

Test and Debug Capabilities Standard 1.0
54 Nortel Call Recording Card
Factory test features
Factory test features include the HEX display, status LED, and reset switch.
HEX display codes
The Nortel Call Recording Card base card includes a HEX LED display on
the faceplate to provide status information during maintenance operations.
During startup and diagnostic tests, this display provides a visual progress
indication, and information on the first failure detected. The HEX LED
display codes are indicated in Table 12: “HEX Display codes during
bootup,” on page 54.
Table 12:
HEX Display codes during bootup
Code Code description
T:00 Initialization
T:01 Testing internal RAM
T:02 Testing ALU
T:03 Testing address modes
T:04 Testing watchdog
T:05 Testing 8051 co-processor
T:06 Testing timers
T:07 Testing external RAM
T:08 Testing dongle
T:09 Programming timeswitch FPGA
T:10 Programming ISPDI FPGA