VXi Computer Hardware VX1410A Benutzerhandbuch
Reference
3–2
VX1410A & VX1420A IntelliFrame Mainframe Instruction Manual
Table 3–1: Passive monitor connector pinouts
Pin
Function
Description
1
+5 VM
+5 V for voltage monitoring
1
2
–12 VM
–12 V for voltage monitoring
1
3
–24 VM
–24 V for voltage monitoring
1
4
–2 VM
–2 V for voltage monitoring
1
5
Rem On/Stdby
Remote On/Standby Power Switch.
2
6
+5 VC
+5 V output for charging batteries, running external TTL circuitry,
1 A maximum
1 A maximum
7
+12 VC
+12 V output for charging batteries, running external TTL circuitry,
1 A maximum
1 A maximum
8
+5 VB
Input for +5 V standby voltage (for example, from an external
battery). Maximum of 1 A total (pins 8 and 21 combined)
battery). Maximum of 1 A total (pins 8 and 21 combined)
3
9
Gnd
Logic Ground
10
SYSRESET*
Backplane SYSRESET* signal (input or output). If you use this pin,
do not violate VXIbus electrical specifications (keep the extender
cable as short as possible).
do not violate VXIbus electrical specifications (keep the extender
cable as short as possible).
4
11
∆
T
An analog output signal proportional to the maximum temperature
rise of the 13 modules (100 mV/
rise of the 13 modules (100 mV/
°
C) 0V=0
°
C
12
Tach1
VX1410A: A square wave output signal proportional to the speed of
Fan 1. RPM = 15 / (+Pulse Width), where (+Pulse Width) is the
positive pulse width of the Tach1 fan output signal.
VX1420A: RPM = 10 / (+Pulse Width)
Fan 1. RPM = 15 / (+Pulse Width), where (+Pulse Width) is the
positive pulse width of the Tach1 fan output signal.
VX1420A: RPM = 10 / (+Pulse Width)
13
Tach2
VX1410A: A square wave output signal proportional to the speed of
Fan 2. RPM = 15 / (+Pulse Width), where (+Pulse Width) is the
positive pulse width of the Tach2 fan output signal.
Fan 2. RPM = 15 / (+Pulse Width), where (+Pulse Width) is the
positive pulse width of the Tach2 fan output signal.
14
+12 VM
+12 V for voltage monitoring
1
15
+24 VM
+24 V for voltage monitoring
1
16
–5.2 VM
–5.2 V for voltage monitoring
1
17
Gnd
Logic Ground
18
Gnd
Logic Ground
19
Gnd
Logic Ground
20
Gnd
Logic Ground
21
+5 VB
Input for +5 V standby voltage (for example, from an external
battery). Maximum of 1 A total (pins 8 and 21 combined)
battery). Maximum of 1 A total (pins 8 and 21 combined)
3
22
Gnd
Logic Ground
23
ACFAIL*
Backplane ACFAIL* signal output. If you use this pin, do not violate
the VXIbus electrical specifications (keep the extender cable as
short as possible).
the VXIbus electrical specifications (keep the extender cable as
short as possible).
4