System Technician-Demanded Tests: Descriptions and Error Codes

The command to test the ISDN-LNK MO is test port GGGVSpp where pp is 24 for 24-channel interfaces and 16 for 32-channel interfaces.

Table 32. System Technician-Demanded Tests
Order of Investigation	Short Test Sequence	Long Test Sequence	D/ND*
NPE Crosstalk Test (#6) This test will ABORT with error code 1412,
Signaling Link Board Check (#643)	X	X	ND
Signalling Port LAN Loopback Test (#939) This test will ABORT with error code 1412.
*D = Destructive; ND = Nondestructive