User Guide

Chapter 2: Service Error Codes
2-213
Cause Remedy
##1620 [TX/RX] The connection timer went ON/the
specified page cannot be received
• Check to find out that the terminal of the
other party is operating normally.
• Start a communication once again.
• Print out a communications analysis list,
and analyze it.
• Start a communication once again.
• Print out a communications analysis list,
and analyze it.
• In transmission, the timer used to monitor
the period between when channel D is con-
nected and when channel B is connected
went ON.
• In reception, the specified page cannot be
received.
Cause Remedy
##1983 [TX/RX] Restriction on communication [USA model]
[TX/RX] Restriction on transmission [French model]
• Start a communication once again.
• Print out a communications analysis list,
and analyze it.
• Connection to the PSDN was subjected to
restriction (restriction on connection).
• The machine was disconnected from the
network (restriction on transmission).