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Chapter 1. Introduction
1-8
ESU LT User Manual
61200410L1-1
Pattern Generation
The ESU LT offers five test patterns: 511, QRSS, 1:8, All Ones,
and All Zeros.
511
The 511 pattern is generated and checked by the Nx56K/
64K serial interface. It only appears in the TS0s assigned to
the Nx56K/64K port.
When used in conjunction with the payload loopback at
the far end, an end-to-end integrity check can be made on
the DTE ports.
QRSS
The ESU LT has an internal QRSS pattern generator and
detector. The pattern appears only in the TS0s assigned to
the Nx56K/64K port. The QRSS test pattern can be used in
conjunction with network loopbacks to perform end-to-
end tests.
1:8
The 1:8 is a stress pattern which places the maximum num-
ber of 0s in the transmitted data. This is always done over
all time slots.
This pattern is used in conjunction with external test equip-
ment to determine if the E1 line is performing acceptably
under a stress condition. Each channel of the E1 has only
one bit set.
All Zeros Generates an all zeros pattern in every channel.
All Ones
Generates an all ones pattern in every channel.
Summary of Contents for 200410L1
Page 1: ...ESU LT User Manual Part Number 1200410L1 Document Number 61200410L1 1A June 1999 ...
Page 8: ...viii ...
Page 14: ...Table of Contents xiv ESU LT User Manual 61200410L1 1 ...
Page 18: ...List of Tables xviii ESU LT User Manual 61200410L1 1 ...
Page 28: ...Chapter 1 Introduction 1 10 ESULT User Manual 61200410L1 1 ...
Page 44: ...Chapter 4 Status Menu 4 6 ESULT User Manual 61200410L1 1 ...
Page 56: ...Chapter 5 Configuration Menu 5 12 ESU LT User Manual 61200410L1 1 ...
Page 72: ...Chapter 8 Example Operations 8 6 ESULT User Manual 61200410L1 1 ...
Page 90: ...Index Index 6 ESU LT User Manual 61200410L1 1 ...
Page 92: ......