Major Error
Code
Description
10 (0Ah)
Modem responded with RING, indicating that the modem is
being called by another modem. Modem is unable to
complete the requested command. Retry the modem
command later.
11 (0Bh)
Unknown response received from the modem. Modem
unable to complete the request. Check the modem command
string and modem. Response should be CONNECT or OK.
50 (32h)
COMMREQ timeout. The COMMREQ did not complete within
a 20-second time limit.
Serial I/O / SNP / RTU Protocols GFK-1503E User Manual 235
For public disclosure