IBM 5251 Series Maintenance Information Manual page 140

Select the configuration data option by:
1. Pressing the 3 key.
2. Pressing the Enter key.
Descriptions of the configuration data headings are:
• Device Addr is the address of the controller.
• Unit Addr is the station(s) assigned to the controller.
The first 2 digits are the physical port/cable number,
and the third digit is the station address.
• Logical I D is the name the system uses to address
the station(s) assigned to the controller.
Return to the Prime Option Menu by:
1. Pressing the C key.
2. Pressing the Enter key.
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