Hi there techies
I have a 2800 with NM-8AM and HWIC-2A/S
We are using the router as an async terminal server for a SCADA application to communicate to an RTU using serial DNP.
The Cisco router is appending an extra FF to DNP messages that contains an FF (ie FF becomes FF FF). This results in a CRC error.
The SCADA server uses reverse telnet to connect to the 2800 on port 60xx (raw telnet).
This problem occurs on the modems, async lines and aux port.
I'm sure there is a way around this, as I've configured similar systems before, but for the moment the line command I require escapes me. I don't have access to the exact config at the moment, but I'm hoping someone knows the answer.
From memory the line config is:
transport input all