Ericsson ZAT 19.2 Operation Manual page 278

The test timer is set to 10 (seconds) - example 2
= Enter:
TS1
&T8 _ selecls Local analogue loopback
"Twith self test.
8=10&T8 pe" $18=10 sets the test timer 1o 10 seconds
The modem answers 000 No fault detected
Alternative 2
OK Test terminated
The modem answers 007 7 faults detected
OK Test terminated
14-8
LZTR104006 R1.00
Zat 14.4/14.4-7 and 19.2/19.2-7