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Power On, both LEDs go off,
and Test/Normal Switch
(within 5-second window)
Operational
(RAM)
t
Normal Power On or
Restart
Figure 2-1. Operational Configuration
IBM-
Supplied
(EPROM)
Customer
(EEPROM)
When the power is turned off, the operational configuration in RAM is lost. The
IBM -supplied configuration remains in EPROM, and the customer configuration
remains in EEPROM.
Update Configuration
This configuration is a work area for making changes to the customer-defined
configuration.
Update
(RAM)
C
antra Termina
Session
PF6 on
Control Termlnal
Screen
Figure 2-2. Update Configuration
Customer
(EEPROM)
To update a configuration, start a control terminal session. The customer-defined
configuration is copied from EEPROM to RAM. Enter the necessary changes and
press the PF6 key sequence to copy the updated configuration back to the customer
configuration.
Permanently Reinstating the IBM-Supplied Configuration
The user can copy the IBM -supplied configuration into the operational area by
pressing the test/normal switch within the 5-second window after power on. (See
"Operational Configuration" on page 2-5.) Also, the user can permanently delete
the customer-defined configuration by entering
replwibm
into the Name field and
config ••
into the Version field on the General Definition screen (CI27.1). Refer to
IBM 3708 Network Conversion Unit Planning and Installation, GA27-3766, for more
information about permanently reinstating the IBM-supplied configuration.
Note: Permanently reinstating the IBM-supplied configuration destroys the
customer-defined configuration (except for any user-defined terminal tables or
translate table).
2-6
IBM 3708 Description
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