Envoy Application Programming Manual

BISYNC Multipoint Tributary Protocol
Envoy Application Programming Manual—427159-001
5-19
File-System Errors
Upon receipt of transparent text, if intermediate text blocking is indicated, Envoy deletes
ITB characters occurring at the end of each intermediate block (the length of each block
received must be the same as the specified intermediate block length).
File-System Errors
Upon completion of a file-system request, the multipoint tributary application process
should check for the Guardian 90 file-system error codes shown in Table 5-7
.
General file-system errors (Table 5-8
) are also possible.
Table 5-7. File-System Errors for BISYNC Multipoint Tributary
Error Code Description
0 Operation successful
140 Modem error (communication link not yet established, modem
failure, momentary loss of carrier, or disconnect)
160 Request is invalid for device state; protocol error
161 Impossible event occurred for line state
162 Operation timed out
163 EOT received
165 RVI received
166 ENQ received
171 No response or invalid response received
172 Reply not proper for protocol
173 Maximum allowable NAKs received
175 Incorrect alternating ACK received
177 Text overrun (insufficient buffer space for data transfer)
178 No address list specified
Table 5-8. General File-System Errors
Error Code Description
10-29 Coding or access problem
30-33 System configuration problem
120-199 Device hardware problem
200-255 Path error