IBM 2274 User Manual
Page 150
116 IBM Desktop System HMM
1
Optional output from monitor.
2
Note: The IEEE-1394 internal cable bundle
needs an outer shield to minimize internal
crosstalk within the cable construction. The outer
EMI containment shield for the IEEE-1394 func-
tion will be provided by the overall P&D cable
shield. If the internal bundle shield for IEEE-1394
is required, this may be terminated to pin #18. It
is recommended that this implementation be
evaluated in the case where both Charge Power
return and the IEEE-1394 internal cable bundle
shield will be commoned to pin #18.
P&D-D Signal Pin Assignments
Pin
Signal
Pin
Signal
1
TMDS Data2 +
16
USB data +
2
TMDS Data2 -
17
USB data -
3
TMDS Data2 return
18
1394 outer shield
(optional) & Charge
Power return
2
4
Unused
19
1394 Vg
5
Unused
20
1394 Vp
6
Unused
21
TMDS Data0 +
7
TMDS Clock return
22
TMDS Data0 -
8
Charge power
1
+
23
TMDS Data0 return
9
1394 pair A, data -
24
Unused
10
1394 pair A, data +
25
DDC return
11
TMDS Data1 +
26
DDC data (SDA)
12
TMDS Data1 -
27
DDC clock (SCL)
13
TMDS Data1 return
28
+5 VDC
14
TMDS Clock +
29
1394 pair B, Clock +
15
TMDS Clock -
30
1394 pair B, Clock -