FUJITSU MPE3XXXAT - Manual (Page 40)

C141-E077-01EN 3 - 11
open
Host detected CBLID- below V
IL
Host Device 0 Device 1
with 80-conductor cable with 40-conductor cable
PDIAG-: CBLID- conductor PDIAG-: CBLID- conductor
Host detected CBLID- above V
IH
Host Device 0 Device 1
Figure 3.11 Cable type detection using CBLID- signal
(Host sensing the condition of the CBLID- signal)
open
0.047 µ F
±10% or
±20%
Host Device 0 Device 1
with 80-conductor cable with 40-conductor cable
PDIAG-:CBLID- conductor PDIAG-:CBLID- conductor
IDENTIFY DEVICE information
word 93 bit13:1
Device detected CBLID- above V
IH
IDENTIFY DEVICE information
word 93 bit13:0
Device detected CBLID- below V
IL
Host Device 0 Device 1
0.047 µ F
±10% or
±20%
Figure 3.12 Cable type detection using IDENTIFY DEVICE data
(Device sensing the condition of the CBLID- signal)