Hi Ivan, On Tue, Oct 13, 2020 at 07:07:12PM +0300, Ivan Babanov wrote:
> Today I was able to get hardware working. At least L2 link established and > I see OML/NM messages. congratulations! Now the fun part starts. > Briefly the problem was with ports connections. I did not expected that > quad-port card requires all ports to be connected. Everything started to > work after I placed dummy loopback connectors to unused ports 3 and 4. This definitely does not reflect my experience with any of the DAHDI quad-port cards I have used so far. > After it I was able to check physical link with e1-prbs-test and was able > to communicate with BTS. Strange. Maybe some bug or problem with the specific model you use, or related to the suspected IRQ trouble, or it is a question of clocking? Maybe the clock reference was configured to (only) use a port that had no signal applied? -- - Harald Welte <[email protected]> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)
