Technical data

Memory LED Codes....................................................................................................... 1-10

NVR LED Codes............................................................................................................ 1-11

SCC LED Codes............................................................................................................. 1-12

NI LED Codes................................................................................................................ 1-13

ISDN LED Codes........................................................................................................... 1-15

SCSI LED Codes............................................................................................................ 1-16

Console LED Codes ....................................................................................................... 1-19

MIPS Emulator LEDs..................................................................................................... 1-20

Memory LED Diagnostic Codes..................................................................................... 1-21

System Upgrade Information ....................................................................2-1

Upgrading from Model 600 to Model 700......................................................................... 2-3

Procedure 1................................................................................................................ 2-3

Procedure 2................................................................................................................ 2-4

Procedure 3................................................................................................................ 2-5

Procedure 4................................................................................................................ 2-5

Upgrading from Model 800 to Model 900......................................................................... 2-6

Procedure 1................................................................................................................ 2-6

Procedure 2................................................................................................................ 2-7

Procedure 3................................................................................................................ 2-7

Procedure 4................................................................................................................ 2-8

Procedure 5.............................................................................................................. 2-11

Table 1 Conventions viii

Table 2 Reference Documentation ix

Table 3 Telephone Numbers of Digital Support Centers xi

Table 1-1 Serial ROM LED Codes 1-6

Table 1-2 Serial ROM LED Codes Action Table 1-7