Figure 5.1 Status Byte Model - Pacific UPC-32 Operation Manual

SERVICE
REQUEST
GENERATION
&
L
O
G
I
C
A
L
O
R
QUEUE
NOT-EMPTY
SOS ESB
RQS
7 6 ESB
MSS
&
&
7 5
FIGURE 5.1 STATUS BYTE MODEL
SECTION 5
OUTPUT QUEUE
SQS
EEQ
MAV 3 2
&
&
&
4 3 2
91
REMOTE OPERATION
READ BY
ADDRESSIN
G UPC AS A
TALKER
RESERVED
SHUTDOWN
READ BY
SERIAL POLL
STATUS BYTE
1 0
REGISTER
READ BY *STB?
&
SERVICE
REQUEST
1 0
ENABLE
REGISTER
*SRE <NRf>
*SRE?