Motorola R-2550 Programming Reference Manual page 16

Communications system analyzer
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The IEEE 488 interface provides a high-speed hardware interface supporting communication among multiple
devices within the same area. Each device on the IEEE 488 bus has its own address, allowing the Controller in
charge to communicate directly with any device on the bus. Devices can either talk or listen, depending on if the
device is transmitting information or receiving information, respectively.
The interface capabilities of the R-2600, as defined by IEEE 488.1, are SHl, AHl, TE6, LE4, SRl, RLl, PPO,
The R-2600 allows both primary and secondary addressing. Both Primary addresses and Secondary addresses
range from 0 to 30. Secondary addressing can be disabled. The R-2600 uses the same address for both Talk and
Listen modes.
The IEEE 488 address of the R-2600 is accessed from the Remote Interface menu. To modify the address, press
SPF hardkey
the
on the front panel. The Special Functions screen will be displayed. Cursor down to the Remote
Interface selection and press the Display Table softkey. The Remote Interface screen will be displayed. The screen
allows modification of both the Primary and Secondary addresses.
The Primary and Secondary address selections will only be available on the Remote Znterface
menu if the R-2600 is equipped with the ZEEE 488 option.
To disable secondary addressing, place the cursor on the Secondary Address and press the Disable softkey. The
Secondary Address will be displayed as two dashes, indicating that Secondary Addressing has been disabled-
Motorola Communications Analyzer
Programming Reference
Baud Rate
Stop Bits
Parity
Data Bits
Auto Line-Feed
Note
150
300
1200
2400
4800
9600
1.5
2
None
Even
odd
Yes
N o

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