What are the recovery options after updating PortServer TS 4 EOS firmware without updating to correct POST?

Serial Servers & Infrastructure Mangement Portserver TS
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1

I failed to update the POST when updating the firmware on a PortServer TS 4. Old firmware on device was circa. 2003 and the update likely caused a problem because device does not dhcp/show up on network. What are my options for recovering the device or is it bricked?

2

Might want to give this a try:
Portserver TS recovery article

Otherwise, RMA would be your option.

3

the recovery article should be: https://www.digi.com/support/knowledge-base/the-portserver-ts-unit-will-not-boot