MagTek MCP - Manual (Page 43)

Section 4. Protocol
37
Error Recovery – intermediate data received
(connection was established and some data may have been exchanged)
I (0,0)
ÆXÆ (Rule 4.1)
ÅÅÅ I (0,0)
(Rule 4.1)
R (1)
ÆÆÆ
(Rule 4.7)
(bwt) (bwt from the first I-frame)
R (1)-poll
ÆÆÆ
(Rule 5.2)
ÅÅÅ R (0)
(Rule 5.4a)
I (0,1)
ÆÆÆ
(Rule 5.5b)
ÅÅÅ R (1)
(Rule 4.7)
(data is transferred successfully according to Rule 4.8)
Assuming Disconnected State Upon Failure of Error Recovery
(connection was established and some data may have been exchanged)
I (0,0)
ÆÆÆ
(Rule 4.1)
(bwt)
R (0)-poll
ÆÆÆ
(Rule 5.2)
(bwt)
R (0)-poll
ÆÆÆ
(Rule 5.6a)
(bwt)
R (0)-poll
ÆÆÆ
(Rule 5.6a)
(bwt)
(data transfer failed according to Rule 5.6b)
(sending node assumes the connection to be dissolved according to
Rule 5.8a)
Resetting Connection Upon Failure of Error Recovery
(connection was established and some data may have been exchanged)
I (0,0)
ÆÆÆ
(Rule 4.1)
(bwt)
R (0)-poll
ÆÆÆ
(Rule 5.2)
(bwt)
R (0)-poll
ÆÆÆ
(Rule 5.6a)
(bwt)
R (0)-poll
ÆÆÆ
(Rule 5.6a)
(bwt)
(data transfer fails according to Rule 5.6b)
S (resync req)
ÆÆÆ
(Rule 5.8b and Rule 3.6)
ÅÅÅ S (resync rsp)
(Rule 3.7)
I (0,0)
ÆÆÆ
(Rule 4.1) (new request)
ÅÅÅ R (1)
(Rule 4.7)