Operation
VL-EPMs-U1 Reference Manual
24
SUMIT-B Top Connector (J7)
The table below shows the SUMIT-B Top connections to the VL-EPMs-U1. Signals that are not
connected are pass-through only. The +5V signals on this connector are available to power the
VL-EPMs-U1. This connector is present on the C, D, G, and H models only. (See the SUMIT
"lane shifting" note on page 23.)
Table 11: SUMIT-B Top Connector Pinout
Pin Signal Name
Function
Pin Signal Name
Function
1
GND
Ground
2
GND
Ground
3
B_PETp0
Link B, lane 0 tr
4
B_PERp0
Link B, lane 0 r
5
B_PETn0
Link B, lane 0 transmit
–
6
B_PERn0
Link B, lane 0 receive
–
7
GND
Ground
8
BPRSNT#/GND
Link B present
9
C_CLKp
Link C clock +
10
B_CLKp
Link B clock +
11
C_CLKn
Link C clock
–
12
B_CLKn
Link B clock
–
13
CPRSNT#/GND
Link C present
14
GND
Ground
15
C_PETp0
Link C, lane 0 tr
16
C_PERp0
Link C, lane 0 r
17
C_PETn0
Link C, lane 0 transmit
–
18
C_PERn0
Link C, lane 0 receive
–
19
GND
Ground
20
GND
Ground
21
C_PETp1
Link C, lane 1 tr
22
C_PERp1
Link C, lane 1 r
23
C_PETn1
Link C, lane 1 transmit
–
24
C_PERn1
Link C, lane 1 receive
–
25
GND
Ground
26
GND
Ground
27
C_PETp2
Link C, lane 2 tr
28
C_PERp2
Link C, lane 2 r
29
C_PETn2
Link C, lane 2 transmit
–
30
C_PERn2
Link C, lane 2 receive
–
31
GND
Ground
32
GND
Ground
33
C_PETp3
Link C, lane 3 tr
34
C_PERp3
Link C, lane 3 r
35
C_PETn3
Link C, lane 3 transmit
–
36
C_PERn3
Link C, lane 3 receive
–
37
GND
Ground
38
GND
Ground
39
PERST#
Reset
40
WAKE#
Wake
41
Reserved
Pass-through
42
Reserved
Pass-through
43
+5V
+5V power
44
Reserved
Pass-through
45
+5V
+5V power
46
+3.3V
+3.3V power
47
+5V
+5V power
48
+3.3V
+3.3V power
49
+5V
+5V power
50
+3.3V
+3.3V power
51
+5V
+5V power
52
+5V
SB
+5V standby power
