Ericsson ZAT 19.2 Operation Manual page 284

Test timer set to 10 (seconds) - example 2
= Enter:
Boas {The modem returns to command state. |
:1$18=10 sets the test timer to 10
" ™ Tseconds
1&T7 selects remote digital loopback
-.. Jwilh self test
. . i [Test indicator lights
The modem answers 000 No faults detected
OK Test terminated
Alternative 2
The modem answers 007 7 faults detected
OK Test terminated
14-14 LZTR104006 R1.00
Zat 14.4/14.4-7 and 19.2/19.2-7