Date Code 20080110 SEL-300 Series Relays Firmware Upgrade Instructions B-15
SEL-387E Instruction Manual
Terminal Connection to increase the serial connection data speed. Then
resume the firmware upgrade process at F. Upload New Firmware.
No Access Level 0 = Prompt
If no Access Level 0 = prompt appears in the terminal emulation window, one of three things
could have occurred. Refer to
Table B.1 to determine the best solution.
Table B.1: Troubleshooting New Firmware Upload
Problem Solution
The restart was successful, but the
relay data transmission rate reverted
to the rate at which the relay was
operating prior to entering
SEL
BOOT
(the rate you recorded in
A. Prepare the Relay on page
B-2).
Change the computer terminal speed to match the relay
data transmission rate you recorded in A. Prepare the
Relay on page
B-2. (See Match Computer
Communications Speed to the Relay on page
B-10):
Step 1. From the Call menu, choose Disconnect to
terminate relay communication.
Step 2. Change the communications software
settings to the values you recorded in A.
Prepare the Relay on page
B-2.
Step 3. From the Call menu, choose Connect to
reestablish communication.
Step 4. Press <Enter> to check for the Access
Level 0 = prompt indicating that serial
communication is successful.
Step 5. If you get no response, proceed to Match
Computer Communications Speed to the
Relay on page
B-10.
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