Testing; Back-To-Back Testing - Vocality V200 User Manual

Vocality User Manual
User Manual for V200
Valid for V08_08.02 or V08_48.02
Figure 5-46 Digital Voice menu showing correct settings for external clocking.
When setup in this way, the data transmitted on this Digital Voice interface will be
clocked out using GC2, which is in turn locked to whichever of the two interfaces X or Y
is active. Correct timing will therefore be maintained between transmitted and received
data. As an example, any analogue voice ports connecting to this E1/T1 can derive from
the same GC2 clock that the E1/T1 is driving.

5.15.3 Testing

You can use the Diagnostics > Clock Status menu to see which external interface has
been chosen as the reference for GC2.
The ‡Diagnostics > Slot n > Digital Voice menu can be used to check for an error free
link.
5.16

Back-to-back testing

Before commissioning your unit, it can be very useful to configure a pair of multiplexers
in a back-to-back configuration to gain familiarity with their setup and operation. In the
example below, two units are connected via Port 1 of a Serial Card in Slot 5 using cable
VI68726A. System settings are as follows:
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