Status System For 8166A/B; Figure 5 The Operational/Questionable Status System For 8166A/B; Status System For 8166A - Agilent Technologies 8163A Programming Manual

Introduction to Programming
Status Byte Register
Status
Summary
for Level 0
Status
Summary
for Level 1
Slot 15
36

Status System for 8166A/B

The status system for the Agilent 8166A/B Lightwave Multichannel
System returns the status of 17 module slots. The
Operational/Questionable Status Summary Registers consists of two
levels, as described by Figure 5 .
Module slots 1 to 14 affect the Level 0 summary register as described in
Figure 4 . Bit 0 of the Level 0 summary registers represents the summary
of the status of module slots 15, 16, and 17. The Level 1 summary registers
contain an individual summary for each of these module slots.
Operational/Questionable Status
Enable Summary Mask
Register (Level 0)
Operational/Questionable Status
Event Summary Register (Level 0)
Operational/Questionable Status
Condition Summary Register (Level 0)
Operational/Questionable Status
Enable Summary Mask
Register (Level 1)
Operational/Questionable Status
Event Summary Register (Level 1)
Operational/Questionable Status
Condition Summary Register (Level 1)
Operational/Questionable
Slot Status Enable Mask
Register
Operational/Questionable
Slot Status Event
Register
Operational/Questionable
Slot Status Condition
Register

Figure 5 The Operational/Questionable Status System for 8166A/B

Status Byte
&
&
&
&
to next
&
&
OR
&
&
for a positive
transition
Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Fifth Edition
The Status Model
to next
level
&
&
OR
&
&
for a positive
transition
to next
level
OR
for a positive
transition
level