EPC/CON or C/CON concentrator hangs at "P2" and does not finish booting to AC.
- Timing is set incorrectly on either the host adapter, the concentrator (or the modem (CSU/DSU) if a remote concentrator).
- The cable or the phone line is faulty.
- The last concentrator on the chain is not terminated.
- The host adapter is malfunctioning.
- Make sure the timing settings match on the host adapter, the concentrator, and the modem (CSU/DSU).
- Verify that the cables and/or the phone lines are good.
- Terminate the last concentrator on the chain.
- Run the appropriate diagnostics to verify the host adapter is functioning properly.
Last updated: May 24, 2019