Mitel sx-100 User Manual page 325

SECTION MITL91 OS/91 1 O-096-350-NA
:
MUSIC-ON-HOLD TEST
MAP350- 706
Issue 3, May 1984 -
Sheet 2 of 4
Was there music
on pins 17 and
YES
cross-connect field. Replace if
(5A1 Disconnect P18
(5B) Measure for approximately 40
Page G-24
I
CHECK FOR 40
OHMS DC ON
P18
Was 42 ohms
DC present on
YES
NO
(-xk-)
(yk-)