User manual
Identifying Transmission Problems
7-7
Chapter 7
Troubleshooting
Check modem or cable No power to modem, or poor 
modem cable connection
Check that the modem is turned 
on. Check the data 
communication cable 
connections between the 
modem and the cardiograph.
Check cable Poor cable connection between 
cardiograph and the Agilent 
M1765A ECG Manager system
Check all cable connections.
Replace cable.
No modem at remote site Remote site answered, but no 
modem carrier was detected, or 
a fax machine answered.
Verify transmission type with 
remote site. Check telephone 
number. Re-try transmission
No fax at remote site.  Remote site answered, but no 
fax machine was detected, or a 
modem answered.
Verify transmission type with 
remote site. Check telephone 
number. Re-try transmission
Check modem configuration Incompatible or improperly 
initialized modem
Verify the modem initialization 
string.
Refer to modem specification 
section in Appendix B. Verify 
that your modem is compatible. 
Incompatible fax machine at 
remote site
The fax machine at the remote 
site is not a group III device.
Transmission requires a group III 
fax machine at remote sites.
Transmission stopped 
unexpectedly. X of N ECGs sent.
Cable/ modem problem, Press 
any key to continue.
No power to modem, or poor 
modem cable connection
Check that there is power to the 
modem. Check the data 
communication cable 
connections between the 
modem and the cardiograph. 
Call the other location to verify 
their modem is functioning 
correctly.
Table 7-5 Transmission Problems and Solutions(Continued) 
Message Likely Cause Possible Solutions










