Agilent Technologies 5DX 5000 Series Installation Manual page 53

Table A-1 SMEMA electrical interface signals
SMEMA Signal
Name
Untested Panel
Output (UPO)
Transfer Request
Input (TRI)
SRO
TRI
Upstream
Equipment
Figure A-2 SMEMA signals used by the 5DX
Agilent 5DX Installation
Digital I/O Assembly
Description
Rear SMEMA UPO
Rear SMEMA TRI
PCA Flow
SRI
TRO
5DX
System
Key:
Front Panel Lane
Rear Panel Lane (with middle rail only)
Function
The 5DX with the middle rail
installed uses this signal to indicate
that the panel being sent in the rear
lane has not been tested.
The 5DX with the middle rail
installed forces this signal low when
it is ready to send a panel to the
downstream equipment for the rear
lane.
SRO SRI
TRI TRO
GPO GPI
UPO UPI
SRO SRI
TRI TRO
GPO GPI
UPO UPI
Downstream
Equipment
SMEMA A-45