ACC Error Guide

ZX25D System Messages
CLASS: Warning 500-599
Chapter 12268
zx25d 520 Link <#>: Call accept received on SVC ZLU <#> (LCN <#>)
in improper state (<state string>).
Explanation: An inbound Call Connected packet arrived on an LCN
whose current state indicates that this packet is not
valid. For example, if an Incoming CALL arrived and
was followed by a Call Connected packet with the same
LCN value, the Call Connected packet would be
invalid. The <state string> parameter indicates the
current state that the LCN is in. Possible state string
values are described in message 512.
Action: No action is necessary. This is an informational
message.
zx25d 521 Link <#>: Clear confirm received on SVC ZLU <#>
(LCN <#>) in improper state (<state string>).
Explanation: An inbound Clear Confirmation packet arrived on an
LCN whose current state indicates that this packet
type is invalid. This would be true any time a Clear
Confirmation packet arrived when a Clear Request has
not been sent. The <state string> parameter indicates
the current state that the LCN is in. Possible state
string values are described in message 512.
Action: No action is necessary. This is an informational
message.
zx25d 522 Link <#>: Reset received on SVC ZLU <#> (LCN <#>) in
improper state (<state string>).
Explanation: An inbound Reset Indication packet arrived on an LCN
whose current state indicates that this packet is not
valid. For example, if an Incoming CALL arrived and
was followed by a Reset Indication packet with the
same LCN value, the Reset Indication packet would be
invalid. The <state string> parameter indicates the
current state that the LCN is in. Possible state string
values are described in message 512.
Action: No action is necessary. This is an informational
message.