VePAL TX300
Quick Reference Guide
DS3 BERT
1. Connect to the DS3 test interface using the BNC connectors
2. Power on the unit
3. From the DS3 Home menu, tap on the Setup menu
4. Configure the Measurements and General settings
Configuration
5. Tap the Interface tab to set up the DS3 interfaces and
associated test parameters prior to running a test.
External Clock:
The clock for the transmitter is derived from a 1.5Mbit/s
signal or 1.5MHz BITS clock present on the SMA connector and 1.5Mbit/s
signal present on the RX2 balanced or AUX BNC unbalanced.
Offset:
The clock for the transmitter is derived from the internal clock
generator. It can change the offset while measurements are running. Use
numeric keys to increase/decrease the frequency shift up to 0.01 ppm.
Frequency offset: ±50 ppm with 1, 0.1, 0.01 ppm resolution.
Line Code: line code
options are B3ZS or AMI
Clock Src: Internal,
External (SMA or 2
nd
RX
for balanced or AUX RX
for unbalanced), From
RX, Offset (±50 ppm)
Measurements:
Mode - fixed duration or
delayed start
Performance Analysis-
None, G.821, G.826, M.2100
Jitter - ON or OFF
General: Audible Alarm
and Auto Save settings
