Connecting via PuTTY
This system has a variable baud rate that cycles when connected.
Try following baud rates
115200
19200
9600
Serial cables
PN:38556-00
Controller cable
PN:39M5908
Expansion shelf cable
How to set baud rate
Special Command -> Break (Putty)
Set baud rate: press \
Baud rate set to 19200
How to access service mode cli
Special Command -> Break again
Press Escape
Enter [[Credentials]] to access Service Interface (60 sec timeout):
Press within 5 seconds: \ for Service Interface, \