Merlin 3070 Service And Maintenance Manual page 47

TROUBLE ON ONE TELEPHONE
Hearing
Symptom:
User with off-premises telephone has trouble hearing.
Possible Cause
Off-premises telephone may be
1 .
defective.
Off-Premises Telephone
2 .
Interface may be defective.
Line from the central office to
3 .
the off-premises telephone
should be upgraded.
A3-4
Recommended Action
Switch the suspect off-premises telephone
1 .
with a basic Touch-Tone or rotary telephone
known to be working properly. Place an
outside call. If you can hear clearly, replace
the suspect off-premises telephone.
At the control with location, plug the cord for
2 .
the off-premises telephone into a different Off-
Premises Telephone Interface. Have
someone place an outside call from the off-
premises telephone. If the user can hear
clearly, replace the suspect Off-Premises
Telephone Interface.
3 . Contact the local telephone company
representative about upgrading the line
between the central office and the off-
premises telephone. Too much sound is
being lost on the line. Notify the
representative of these specifications for the
off-premises telephones:
Standard jacks: USOC code SAY
Facility interface code: FIC OL 13C