Помогите, плиз! Не могу понять в чём ошибка настройки mgetty(в нутри лог ошибки) .

May 20 15:16:00 consul CROND[1211]: (root) CMD ( /usr/share/msec/promisc_check.sh) May 20 15:17:00 consul CROND[1256]: (root) CMD ( /usr/share/msec/promisc_check.sh) May 20 15:17:49 consul mgetty[1153]: data dev=ttyS1, pid=1153, caller='none', conn='115200', name='', cmd='/etc/ppp/ppplogin', user='/AutoPPP/' May 20 15:17:50 consul kernel: PPP generic driver version 2.4.1 May 20 15:17:50 consul pppd[1153]: pppd 2.4.0 started by LOGIN, uid 0 May 20 15:17:50 consul pppd[1153]: Using interface ppp0 May 20 15:17:50 consul pppd[1153]: Connect: ppp0 <--> /dev/ttyS1 May 20 15:17:53 consul pppd[1153]: peer refused to authenticate: terminating link May 20 15:17:53 consul pppd[1153]: Connection terminated. May 20 15:17:53 consul pppd[1153]: Exit. May 20 15:17:54 consul mgetty[1268]: TIOCMBIS failed: Input/output error May 20 15:17:54 consul mgetty[1268]: cannot turn off soft carrier: Input/output error May 20 15:17:54 consul mgetty[1268]: tcgetattr failed: Input/output error May 20 15:17:54 consul mgetty[1268]: cannot get TIO: Input/output error May 20 15:17:56 consul mgetty[1268]: init chat failed, exiting...: Invalid argument May 20 15:17:56 consul mgetty[1268]: failed in mg_init_data, dev=ttyS1, pid=1268 May 20 15:18:01 consul CROND[1271]: (root) CMD ( /usr/share/msec/promisc_check.sh)