EXFO FVA-3100 - Page 67

Controlling Your Variable Attenuator Remotely
56 FVA-3100
Standard Status Data Structure
&
&
&
&
&
&
&
&
OR
Standard Event Status
Register (ESR)
Standard Event
Status Enable
Register (ESE)
&
&
&
&
&
&
&
OR
Status Byte
Register
(STB)
Service Request Enable
Register (SRE)
7
6
5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 5 4 3 2 1 0
ESB MAV EB
ESB MAV
RQS
6
MSS
Service Request
Generation
{
{
Output Queue not Empty
read by serial poll
read by *STB?
PON
OPC
URQ
RQCQYE
DDE
EXECME
PON
OPC
URQ
RQCQYE
DDE
EXECME
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