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Помогите советом: Выходит постоянно сообщение вида

*Mar  1 00:21:21.595: %PQUICC-1-LOSTCARR: Unit 0, lost carrier. Transceiver prob
lem?

Что оно означает не могу найти. Но у меня сейчас проблемы с ней возникают, постоянно падает канал адсл. Может что то в этой строке объясняется.

Cisco Internetwork Operating System Software
IOS (tm) C820 Software (C820-V6Y6-M), Version 12.3(26), RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2008 by cisco Systems, Inc.
Compiled Mon 17-Mar-08 20:33 by dchih

ROM: System Bootstrap, Version 12.2(4r)XM4, RELEASE SOFTWARE (fc1)

skynet uptime is 31 minutes
System returned to ROM by power-on
System image file is "flash:c820-v6y6-mz.123-26.bin"

CISCO C827-4V (MPC855T) processor (revision 0x1001) with 48128K/1024K bytes of m
emory.
Processor board ID JAE0750151E (1834242657), with hardware revision 0000
CPU rev number 5
Bridging software.
4 POTS Ports
1 Ethernet/IEEE 802.3 interface(s)
1 ATM network interface(s)
128K bytes of non-volatile configuration memory.
12288K bytes of processor board System flash (Read/Write)
2048K bytes of processor board Web flash (Read/Write)

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