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YOUNGWOO TELECOM Network Development Team
660-669
660 Device .INF file does not include response to command.
Reinstall phone access networking. If it continues, replace the modem.
661 In device .INI file, command was lost.
Reinstall phone access networking. If it continues, replace the modem.
663 Medium .INI file refers to unknown device type.
Reinstall phone access networking. If it continues, replace the modem.
664 Unable to allocate memory.
System memory is insufficient. End some application programs and place a call again.
665 Port was not configured in accordance with phone access
networking.
If port is already used in other connection, disconnect corresponding port, or edit item to use other
communication port. If the port is not used, reinstall phone access networking. If the problem continues,
replace the modem.
666 Modem (or other connection device) not properly operates.
Owing to one of the following reasons, no response is made from modem(or other connection device).
A Modem OFF.
B Modem not properly connected to PC.
C Check if cable was properly connected to modem and PC.
D Serial cable is not appropriate specifications required by remote access.
E HD glitch occurred in modem. Power off modem, wait for 20 seconds and then restart the modem.
667 Unable to read medium .INI file.
Reinstall phone access networking. If it continues, replace the modem.
668 Disconnected.
It may occur when connection is not properly set up from the modem or there are a lot of noises in line. After
setting the access rate of modem to low, place a call once again.
669 Incorrect usage medium variable of medium .INI file.
Reinstall phone access networking. If it continues, replace the modem.
670-679
670 Unable to read section name from medium .INI file.
Reinstall phone access networking. If it continues, replace the modem.
671 Unable to read device type from medium .INI file.
