Avaya 6424D+M User Manual page 122

Appendix E: Troubleshooting
Page E-6
Symptom
POWER/TEST and DATA
indicators flash together.
POWER/TEST indicator is
off.
DATA indicator flashes, but
the HSL does not answer
the call.
Problem
HSL lost communication with
the switch.
Power is off.
The answer option is not set to
AUTO.
The DTR input lead on the V.35
interface is OFF.
DEFINITY Communications System
DEFINITY High Speed Link
User´s Guide
Solution
Verify that the line cord is
connected to the HSL line jack.
Also verify that the PBX is
working and that the HSL is
correctly administered or is not
busied out of service.
Verify that the AC outlet is live
and that the power unit is
connected to the HSL.
Set ANS to AUTO.
Configure the V.35 terminal
equipment to turn on the DTR
LEAD.