modprobe wct4xxp t1e1override=0x00 worked for me. But to get all the spans to change to T1 first I had to set them all to E1 and then Set them all to T1 using Service dahdi stop modprobe wct4xxp t1e1override=0xFF (Set all to E1) dahdi_cfg -vvv service dahdi start service dahdi stop modprobe wct4xxp t1e1override=0x00 (Set all to T1) dahdi_cfg -vvv service dahdi start Dave From: asterisk-ss7-bounces@xxxxxxxxxxxxxxxx [mailto:asterisk-ss7-bounces at lists.digium.com] On Behalf Of Dave George Sent: Sunday, July 24, 2011 11:25 AM To: asterisk-ss7 at lists.digium.com Subject: Re: DAHDI_SPANCONFIG failed on span 9: Invalid argument (22) Seems the card on span 9 switched from T1 to E1 after power failed. How do I set it back to T1 using config? Dave From: Dave George [mailto:dgeorge@xxxxxxxxxxxxxxx] Sent: Sunday, July 24, 2011 11:22 AM To: 'asterisk-ss7 at lists.digium.com' Subject: DAHDI_SPANCONFIG failed on span 9: Invalid argument (22) System was up and running well for over a year. I had a power outage and now I cannot get my SS7 back up. service dahdi restart Unloading DAHDI hardware modules: done Loading DAHDI hardware modules: wct4xxp: [ OK ] Running dahdi_cfg: DAHDI_SPANCONFIG failed on span 9: Invalid argument (22) [FAILED] Channel 288: Clear channel (Default) (Echo Canceler: none) (Slaves: 288) 288 channels to configure. DAHDI_SPANCONFIG failed on span 9: Invalid argument (22) Any advice welcome. System.conf span=1,1,0,esf,b8zs bchan=2-24 mtp2=1 span=2,1,0,esf,b8zs bchan=26-48 mtp2=25 span=3,1,0,esf,b8zs bchan=49-72 span=4,1,0,esf,b8zs bchan=73-96 span=5,1,0,esf,b8zs bchan=97-120 span=6,1,0,esf,b8zs bchan=121-144 span=7,1,0,esf,b8zs bchan=145-168 span=8,1,0,esf,b8zs bchan=169-192 span=9,1,0,esf,b8zs bchan=193-216 span=10,1,0,esf,b8zs bchan=217-240 span=11,1,0,esf,b8zs bchan=241-264 span=12,1,0,esf,b8zs bchan=265-288 Dave -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.digium.com/pipermail/asterisk-ss7/attachments/20110724/3e5bbc15/attachment.htm>