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Table 4. QSFPDD-TPAK-HCB-DD-P (DD Plug) Pin Assignments
Connector
Pin Description
Pin Number
MSL
RSL
VccR
SCL
SDA
MPL
ITL
VccT
Vcc1
LPM
Ground
Tx6n
Tx6p
Ground
Tx8n
Tx8p
Ground
Reserved
VS1
VccRx1
VS2
VS3
Ground
Rx7p
Rx7n
Ground
QSFP-DD Test Adapter User Manual
Destination (HCB)
8
P2 Pin 7
9
P2 Pin 6
Not
10
Present/Connected
11
P2 Pin 5
12
P2 Pin 4
27
P2 Pin 2
28
P2 Pin 3
Not
29
Present/Connected
Not
30
Present/Connected
31
P2 Pin 8
Coax Shield and
39
P2 Pin 1, 12
40
Tx6-
41
Tx6+
Coax Shield and
42
P2 Pin 1, 12
43
Tx8-
44
Tx8+
Coax Shield and
45
P2 Pin 1, 12
Not
46
Present/Connected
Not
47
Present/Connected
Not
48
Present/Connected
Not
49
Present/Connected
Not
50
Present/Connected
Coax Shield and
51
P2 Pin 1, 12
52
Rx7+
53
Rx7-
Coax Shield and
54
P2 Pin 1, 12
P a g e
©2019 Wilder Technologies, LLC
Document No. 910-0057-000 Rev. A
Color ID for Data
Color Identification
Line Polarity
N/A
Black Insulation
N/A
Black Insulation
N/A
Present/Connected
N/A
Black Insulation
N/A
Black Insulation
N/A
Black Insulation
N/A
Black Insulation
N/A
Present/Connected
N/A
Present/Connected
N/A
Black Insulation
N/A
Black Insulation
Black
White/Brown
Red
White/Brown
N/A
Black Insulation
Black
White/White
Red
White/White
N/A
Black Insulation
N/A
Present/Connected
N/A
Present/Connected
N/A
Present/Connected
N/A
Present/Connected
N/A
Present/Connected
N/A
Black Insulation
Red
Black
N/A
Black Insulation
| 18
(HCB)
Not
N/A
Not
N/A
Not
N/A
Not
N/A
Not
N/A
Not
N/A
Not
N/A
Not
N/A
Violet
Violet
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