2
Use the BERT Tester alone or in pairs.
BERT Tester
BERT Tester
BERT Tester
Local
Modem
Telephone
Line
Telephone
Line
Modem
Remote
Modem
Modem
This diagram shows a single
BERT Tester testing a telephone
line and a pair of modems. The
remote modem is in loopback.
This application shows a pair of
BERT Testers testing a telephone
line and a pair of modems. If you
have one tester at each end, it’s
easier to pinpoint whether an
error is occurring on the transmit
or receive side of the link.
Async Mode:
Bit Errors, Character Error, Total Test Seconds, Errored Second, Characters Received
Sync Mode:
Bit Errors, Bit Error Rate, Total Test Seconds, Errored Seconds, Severely Errored Seconds, Degraded Minutes, Available,
Unavailable, Transmit Frequency, Receive Frequency, Clear To Send Delay, Bits Received
T1 Mode:
Bit Errors, Bit Error Rate, Total Test Seconds, Errored Seconds, Severely Errored Seconds, Degraded Minutes, Available,
Unavailable, Transmit Frequency, Receive Frequency, RX Level, Frame Errors, CRC Errors, Bipolar Violations
E1 Mode:
Bit Errors, Bit Error Rate, Total Test Seconds, Errored Seconds, Severely Errored Seconds, Degraded Minutes, Available,
Unavailable, Transmit Frequency, Receive Frequency
Displays
No matter what mode you
choose, the BERT Tester is
extremely easy to configure and
use. You can program it using
buttons on its front panel or
through the async console port.
The front panel features a
two-line LCD display, plus 16 LEDs
that illuminate when powered
on and show your selected mode,
test, and operating parameters.
All operations can be performed
using only ten buttons!
Select parameters by simply
scrolling through the values
already stored in the device.
The tester is pre-programmed
with a default configuration for all
five operating modes. But you can
easily change the preset configur-
ation. Set up the tester so it
powers on in a different mode, for
example. The device’s nonvolatile
memory will retain the configura-
tion even after power is removed
from the unit.
The tester‘s console port, a
6-position modular connector,
supports VT100™ terminals, PCs
in terminal emulation mode, and
dial-in modems. With the
exception of two control keys, all
necessary key commands appear
at the bottom of each console
screen. And each mode has its
own menu from which you can
monitor line activity and generate
loopbacks.
The BERT Tester draws its
power from a wallmount or inline
power supply, or from eight
rechargeable Nickel Metal
Hydride (NiMH) batteries. You
don‘t even have to wait for the
batteries to run down before
recharging them. It also has a
built-in recharger.
