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1. INSTALLATION........................................................................... 1-1

1.1 INSTALLATION PROCEDURE ................................................................ 1-1

1.1.1 USER LEVEL PROGRAMMING ...................................................... 1-1

1.1.2 SERVICE LEVEL PROGRAMMING ................................................ 1-2

1.2 SWITCH SETTINGS................................................................................. 1-4

1.2.1 INTERNAL SWITCHES ................................................................... 1-4

1.2.2 PARAMETER SWITCHES............................................................... 1-5

2. SERVICE TABLES AND PROCEDURES ................................... 2-1

2.1 SERVICE LEVEL FUNCTIONS ................................................................ 2-1

2.2 BIT SWITCHES ........................................................................................ 2-2

2.2.1 G4 INTERNAL SWITCHES.............................................................. 2-2

2.2.2 G4 PARAMETER SWITCHES ....................................................... 2-10

2.3 DEDICATED TRANSMISSION PARAMETERS ..................................... 2-15

3. TROUBLESHOOTING................................................................. 3-1

3.1 ERROR CODES ....................................................................................... 3-1

3.1.1 D-CHANNEL LAYER MANAGEMENT............................................. 3-2

3.1.2 D-CHANNEL, LAYER 1 ................................................................... 3-2

3.1.3 D-CHANNEL LINK LAYER .............................................................. 3-2

3.1.4 D-CHANNEL NETWORK LAYER .................................................... 3-3

3.1.5 B-CHANNEL LINK LAYER............................................................... 3-3

3.1.6 B-CHANNEL NETWORK LAYER .................................................... 3-4

3.1.7 TRANSPORT LAYER ...................................................................... 3-4

3.1.8 SESSION LAYER ............................................................................ 3-5

3.1.9 DOCUMENT LAYER ....................................................................... 3-6

3.1.10 PRESENTATION LAYER .............................................................. 3-6

3.2 G4CCU STATUS CODES ........................................................................ 3-7

3.2.1 LAYER 1 (PHYSICAL LAYER) ........................................................ 3-7

3.2.2 LAYER 2 (LINK LAYER) .................................................................. 3-7

3.2.3 NETWORK LAYER (LAYER 3)........................................................ 3-8

3.2.4 TRANSPORT LAYER (LAYER 4) .................................................... 3-8

3.2.5 SESSION LAYER, SESSION CONTROL LAYER (LAYER 5) ......... 3-8

3.2.6 SESSION LAYER, DOCUMENT CONTROL LAYER (LAYER 5) .... 3-8

3.3 LEDS ........................................................................................................ 3-9

3.4 BACK-TO-BACK TEST........................................................................... 3-10

APPENDIX A

A. D-CHANNEL LAYER 1 DUMP LIST ............................................A-1

1.1 HOW TO PRINT THE DUMP LIST ........................................................... A-1

1.2 HOW TO READ THE DUMP LIST ............................................................ A-2

ISDN UNIT

TABLE OF CONTENTS

xxiii

Rev. 08/98

A230/A231/A232