Instrument Configuration; 55-Pin Backplane Connector Pin Configuration; Table 1-1 Ssi Connector Pin Description - Agilent Technologies U2741A User Manual

Instrument Configuration

55-Pin Backplane Connector Pin Configuration

GND GND
NC NC
GND TRIG3
TRIG4 GND
nBPUB CLK10M
NC NC
11 10
U2741A User's Guide
The 55- pin backplane connector is used when the U2741A
module is inserted into the U2781A USB modular instrument
chassis. For more details, refer to the Agilent U2781A USB
Modular Instrument Chassis User's Guide.
GND GND GND
NC NC NC
GND TRIG2 GND
TRIG5 GND TRIG6
GND STAR_TRIG GA2
NC NC NC
9 8 7
Figure 1-1 55-pin backplane connector pin configuration

Table 1-1 SSI connector pin description

SSI timing signal
GND
NC
VBUS
USB_D+, USB_D–
TRIG0~TRIG7
+12 V
nBPUB
GND GND GND
NC NC NC
TRIG1 GND TRIG0
GND TRIG7 GND
GA1 GA0 NC
NC NC NC
6 5 4
Getting Started
GND GND GND
VBUS GND
USB_D
GND GND USB_D+
+12 V +12 V GND
+12 V +12 V +12 V
+12 V +12 V +12 V
3 1
2
Functionality
Ground
Not connected
USB bus power sensing input
USB differential pair
Trigger bus
+12 V power with 4 A current
USB backplane input detect
1
F
E
–
D
C
B
A
11