National Instruments PXIe-1082DC, Руководство по установке

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8-Slot PXI Backplane Installation Guide 6 ni.com
Connector J1
Connector J1 is for interfacing with the backplane’s PXI_CLK10 circuitry.
The location of the J1 connector is shown in Figure 4. The mating
connector for J1 is manufactured by Positronic and can be ordered with the
part number CBD7W2M2000Z-759.1.
Table 1. Connector J20 Pin Descriptions
Connector Pin Signal Description
Required
for Basic
Power-up
1 +3.3 V Bac3.3 V power plane. Yes
2 GND Backplane ground plane. Yes
3 +3.3 V Bac3.3 V power plane. Yes
4 LED2 Connects to pin 8 of J21. No
5 INHIBIT Connects to pin 7 of J21. No
6 LED1 Connects to pin 5 of J21. No
7 SMB_SDA Connects to pin C19 on J2 (slot 1). No
8 SMB_ALERT# Connects to pin E19 on J2 (slot 1). No
9 SMB_SCL Connects to pin D19 on J2 (slot 1). No
10 THERM1 (optional) Connects to pin 2 of J21. No
11 THERM2 (optional) Connects to pin 1 of J21. No
12 GND Backplane ground plane. Yes
13 GND Backplane ground plane. Yes
14 –12 V Backplane –12 V power plane. Yes
15 I2C_CLK Connects through R34 to pin A2 of J9. No
16 I2C_DAT Connects through R33 to pin B2 of J9. No
17 +12 V_FAN Se12 V for slot 1. Yes
18 GND Backplane ground plane. Yes
19 +12 V Bac12 V power plane. Yes
20 GND Backplane ground plane. Yes
21 +5 V Bac5 V power plane. Yes
22 GND Backplane ground plane. Yes
3
1
5
8
11
14
17
19
21
2
4
6
7
9
10
12
13
15
18
20
22
16