
ProDAQ 3020 USB 2.0 VXIbus Slot-0 Interface User Manual
3020-XX-UM
Copyright, © 2003 Bustec Production Ltd.
Page 53 of 60
6.3 ProDAQ 3020-BA Front Panel Connectors and Switches
In addition to the connectors available on the ProDAQ 3020-AA, the ProDAQ 3020-AB
features two additional micro-D style connectors for trigger daisy-chaining between
mainframes.
6.3.1 Trigger Chain In/Out Connectors
The trigger chain connectors on the front panel of the 3020-AB can be
used to connect the trigger lines of multiple VXIbus mainframes directly.
A standard 9-pin micro-D Connector is used with the following pin-out:
Pin
Signal
Description
1
TTL0
VXIbus TTL Trigger Line 0
2
TTL1
VXIbus TTL Trigger Line 1
3
GND
Ground
4
TTL2
VXIbus TTL Trigger Line 2
5
TTL3
VXIbus TTL Trigger Line 3
6
TTL4
VXIbus TTL Trigger Line 4
7
TTL5
VXIbus TTL Trigger Line 5
8
TTL6
VXIbus TTL Trigger Line 6
9
TTL7
VXIbus TTL Trigger Line 7
Shell
GND
Shield Ground
Figure 40 - Trigger Chain Connectors Pin-out
5
4
3
2
1
9
8
7
6
Trigger Chain In/Out
(Female)
SYS VXI
FAIL Act.
ProDAQ 3020
Clk In
Clk Out
Trig In
Trig Out
RESET
USB
Trig. Chain.
In Out
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