Panasonic KX-TD500 Installation Manual page 285

(16) Modem failure (RMT/ERMT card)
Error Code
Possible cause of
the malfunction
Countermeasures
Note
Troubleshooting
1304 xyyz : Modem failure
x= 1 to 3 : Shelf number
yy= 01 to 14 : Slot number
z= Error type
1.
Modem failure
Replace the card.
End
[Error Type]
(1) RMT card
1. Analogue
2. Analogue
3. Digital
4. Digital
(2) ERMT card
1. Analogue
2. Analogue
3. Digital
4. Digital
300 bps NG
1200 bps NG
300 bps NG
1200 bps NG
33.6 kbps NG
1200 bps NG
33.6 kbps NG
1200 bps NG
5.2 Troubleshooting Guide
285