The Expander 2 Acoustic Coupler is designed and
m anufactured fo r long, trouble-free usage. However, if
any problem should occur, the fo llo w in g chart could
help the operator to diagnose a problem.
M aintenance
D IA G N O STIC CHART
M alfunction:
Check:
PWR indicator
Is the power cord plugged into
does not illum inate
an active outlet?
Is the power switch on?
CTS indicator
Check fo r tone from handset.
does not illum inate
Is handset properly inserted
in cups?
Check with the com puter facility
to be sure the system is set-up
fo r WE 103/113 line protocol 011.
Double characters,
If the Full/Half duplex switch is
errors, or no data
in Half duplex, switch to Full
exchange at all
duplex.
Check the com patibility between
the term inals and the com puter
system; i.e., data rate, character
code, etc.
Check that the tim esharing
service is operating properly.
Check that all cables are
securely connected.