xiX - Technical Manual Version 1.3
63
Pin
Signal
Description
Pin
Signal
Description
1
GND Ground
return
27 PWR Power
input
2
IN1
Opto-isolated
Input
1
28 GND Ground
return
3 IN_OUT_GND Ground
for
opto-isolated
Inputs
29 PCIe_PETP_0 PCIe
TX
differential
pair
0,
pos.
4
IN2
Opto-isolated
Input
2
30 PCIe_PETN_0 PCIe TX differential pair 0, neg.
5
GND Ground
return
31 GND Ground
return
6 INOUT1 Non-isolated
I/O
32 PCIe_PETP_1 PCIe TX differential pair 1, pos.
7 INOUT2 Non-isolated
I/O
33 PCIe_PETN_1 PCIe TX differential pair 1, neg.
8 NC
34 GND Ground
return
9
GND Ground
return
35 PCIe_PETP_2 PCIe TX differential pair 2, pos.
10 NC
36 PCIe_PETN_2 PCIe TX differential pair 2, neg.
11 NC
37 GND Ground
return
12 GND Ground
return
38 PCIe_PETP_3 PCIe TX differential pair 3, pos.
13 PCIe_PERP_0 PCIe RX differential pair 0,
pos.
39 PCIe_PETN_3 PCIe TX
differential pair 3, neg.
14 PCIe_PERN_0 PCIe
RX
differential
pair
0,
neg.
40
GND
Ground
return
15 GND Ground
return
41 PCIe_REFCLK_P PCIe reference clock diff. pair, pos.
16 PCIe_PERP_1 PCIe RX differential pair 1, pos.
42 PCIe_REFCLK_N PCIe reference clock diff. pair, neg.
17 PCIe_PERN_1 PCIe
RX
differential
pair
1,
neg.
43
GND
Ground
return
18 GND Ground
return
44 PCIe_RST0_N_IN PCIe
reset
19 PCIe_PERP_2 PCIe
RX
differential
pair
2,
pos.
45
INOUT3
Non-isolated
I/O
20 PCIe_PERN_2 PCIe
RX
differential
pair
2,
neg.
46
INOUT4
Non-isolated
I/O
21 GND Ground
return
47 GND Ground
return
22 PCIe_PERP_3 PCIe
RX
differential
pair
3,
pos.
48
OUT2
Opto-
isolated
Output
2
23 PCIe_PERN_3 PCIe
RX
differential
pair
3,
neg.
49 IN_OUT_GND Ground
for
opto-isolated
Outputs
24 GND Ground
return
50
OUT1
Opto-
isolated
Output
1
25 PWR Power
input
51 GND Ground
return
26 PWR Power
input
table 3-36, MX X4G2 connector pin assignment