Technical data

Chapter 11 315
E1 Analyzer
Making E1 Measurements
E1 Analyzer
To Turn On the Sound
Setting Up E1 Diagnostics
The diagnostic tests available for E1 include:
• RAM - During the RAM test, the memory on the E1 measurement module is
tested. Memory hardware failures are detected.
• ROM - The ROM test verifies the integrity of the code by performing a
checksum measurement.
• Loop Back - The loop back test is a functional test of the transmitting and
receiving hardware. It attempts to send various signal patterns and levels and
then to verify the measured values. It is important that this test be done using
short 75 BNC cables (preferably 100-millimeter (4-inch) cables) because long
Step Notes
1[Mode]
2 [Backhaul]
3 [E1 Analyzer]
4 [Get Started/ Test Mode]
5 [Hard Loop/End-End], [Channel
BERT] or [Monitor], [Monitor
Channel]
6 Select Channel mode.
7 [Display/Sound]
8 [Sound]
9 [On] or [Off] Each time you press this softkey, the
selected option changes.
10 Set the volume.
a. [Volume]
b. Enter the volume level from 1 to
10.
c. [Enter]