Host detected CBLID- above VIH

 

PDIAG-: CBLID- conductor

Host

Device 1

Device 0

with 40-conductor cable

Host detected CBLID- below VIL

open

PDIAG-: CBLID- conductor

Host

Device 1

Device 0

with 80-conductor cable

Figure 3.12 Cable type detection using CBLID- signal (Host sensing the condition of the CBLID- signal)

IDENTIFY DEVICE information

 

word 93 bit13:0

 

Device detected CBLID- below VIL

 

PDIAG-:CBLID- conductor

 

 

0.047 ∝ F

 

 

±10% or

 

 

±20%

 

Host

Device 1

Device 0

with 40-conductor cable

IDENTIFY DEVICE information

 

word 93 bit13:1

 

Device detected CBLID- above VIH

 

open

PDIAG-:CBLID- conductor

0.047 ∝ F

 

±10% or

 

±20%

 

Host

Device 1

Device 0

with 80-conductor cable

Figure 3.13 Cable type detection using IDENTIFY DEVICE data (Device sensing the condition of the CBLID- signal)

3 - 12

C141-E116-01EN

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Image 43
Fujitsu MPG3XXXAH-E manual Host detected CBLID- above VIH