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USER’S GUIDE
5-9
5.5 Software Upgrades
NOTE: The management circuit board uses “flash ROM”, which allows
firmware upgrades to be received over a serial interface.
5.5.1 Software Upgrade at Attached ASCII Terminal
To upgrade the flash ROM:
• Obtain a copy of updated StackMaster™TR 16-Port software
• Establish a serial connection to an ASCII terminal or terminal
emulation.
• Reset the StackMaster™TR 16-Port Management Unit
• Transfer the file.
Obtaining Updated StackMaster™TR 16-Port Software
Updated software can be obtained through the Transition Networks
Bulletin Board Service at:
(612) 941-9304
through the Transition Networks Web site at:
www.transition.com
or by contacting Transition Networks.
Connecting to ASCII Terminal
NOTE: The DB9 serial port on the StackMaster™TR 16-Port is a DTE
device. If the DB9 serial port cable will be attached directly between two
DTE devices, use a null modem cable. If the cable will be attached to a
9600 baud modem, use a straight through DB9 cable.
1. Locate the correct DB9 serial port cable with female DB9
connector.
2. Attach the DB9 serial port female cable connector to the male
DB9 serial port connector on the StackMaster™TR 16-Port .
3. Attach the other end of the DB9 serial port cable (directly or
indirectly through a modem) to an ASCII terminal or terminal
emulator.
NOTE: The StackMaster™TR 16-Port is shipped with standard serial port
parameter values:
baud 9600
stop bits 1
data bits 8
parity NONE
Using methods appropriate to the attached terminal, verify that the serial
port parameters of the attached terminal match the StackMaster™TR 16-
Port port parameter values. If necessary, modify the attached terminal
port parameter values. THEN RESET THE STACKMASTER™TR.