Technical data

Table 3

Bit Mnemonic Description

0 ERR DET Clock loss condition at the

error detector.

1 PAT GEN Clock loss condition at the

pattern generator.

2-15 Not used

Symbol Mode Register

The Symbol Mode Register group indicates whether the error detector has

experienced a 10B symbol alignment loss or 10B symbol alignment done. The

output of this register sets bit 12 (Symbol Mode) in the Questionable Status

Table 4

Bit Mnemonic Description

0 SYMB ALIGN LOSS 10B symbol alignment loss

condition at the error

detector. The Symb Lock

indicator turns red.

1 SYMB ALIGN DONE 10B symbol alignment

done condition at the error

detector. The Symb Lock

indicator turns green.

2-15 Not used

Questionable Status Register

The Questionable Status Register indicates that a currently running process is of

questionable quality. The output of this register sets bit 3 of the Status Byte.

Recommended Programming Techniques 3

Agilent J-BERT N4903B High-Performance Serial BERT 31