Nortel M5208 Manual page 31

5-6 Verification procedures
Procedure 5-2
How to perform the Station Ringer test (continued)
Step Action or key/switch operated
Vol DOWN
35
36 HOLD key
Note: When the
flash for approximately 2–4 seconds. This indicates that a circuit test is
running. No keys can be operated during this time as this may cause test
failure. When the circuit test is completed, 10/10 is displayed in the display
screen in most cases. The numbers depend upon the CO parameter table and
may vary from 10 to 50; however, the number to the left of the slash should
equal the number to the right. If the indications are as described above, the test
has passed. A test failure is indicated when the following occurs:
• the two numbers are not equal
• only the LCD indicators for keys 1, 2, and 8 are ON
• LCD indicators for keys 1, 2, and 8 wink
(press the
HOLD key
37
297–2011–213 02.01 Standard February 1999
Response
Volume down
LCD 1–8 ON. 10/10 is
shown on the LCD
display.
key is pressed, the LCD indicators for keys 2,3, and 4
Hold
key again to repeat the SRT.
Hold
Display is cleared
—end—
Messages
None (Test Ring
Volume control.
Soft reset
Hard reset