Instruction manual

Configuration Error
Indication
The flashing of the TEST indicator while the SYNC LOSS indicator is off indi-
cates a configuration error. The configuration error indication is displayed under
the following circumstances:
Bandwidth “overflow”: the total bandwidth assigned to the data and voice
channels, including the link synchronization and supervision overhead, ex-
ceeds the main link data rate determined by measuring the link clock signal
frequency.
Both DV-MUX3 units connected in a link are configured as “slaves”.
Both DV-MUX3 units connected in a link are configured as “masters”, and
their configurations are different.
AmasterDV-MUX3unitwithtwoactivevoicechannelsattemptstodownload
configuration information to a slave unit having only one voice channel.
ThelocalDV-MUX3operatorhasdepressedtheRLB push-buttontoactivate
aremoteloopbackonachannelonwhichaloopbackhasalreadybeenactivated
by the other side.
3-2. PREPARATION FOR OPERATION, GENERAL
After being prepared for operation according to Chapter 2, the DV-MUX3 nor-
mally operates unattended.
Operator intervention is only required when the DV-MUX3 is set-up for the first
time, or must be adapted to new operational requirements that require the changing
of the internal settings.
PREPARATION FOR OPERATION, GENERAL
DV-MUX3 Installation and Operation Manual 3-3