crwdns2933423:0crwdne2933423:0
crwdns2918538:0crwdne2918538:0

crwdns2934241:0crwdne2934241:0 at1105

crwdns2934249:0crwdne2934249:0:

I found the issue. Connecting the DIAG wire to ground while in external mode on the UART will prevent access to standby power. Disconnecting the ground restored power and I was able to proceed.

crwdns2915684:0crwdne2915684:0:

open