با گذاشتن ماژول مودم، روتر کرش می کنه

بعد از قراردادن ماژول مودم روتر کرش میکنه و این پیغامو میده :

Cisco IOS Software, C2600 Software (C2600-ADVENTERPRISEK9-M), Version 12.4(1a),
RELEASE SOFTWARE (fc2)
Technical Support: [URL="http://www.cisco.com/techsupport"]http://www.cisco.com/techsupport[/URL]
Copyright (c) 1986-2005 by Cisco Systems, Inc.
Compiled Fri 27-May-05 15:09 by hqluong
Image text-base: 0x80008098, data-base: 0x829FBEF0

Unexpected exception to CPUvector 200, PC = 0x81CFAAC0, LR = 0x81CFAAAC
-Traceback= 0x81CFAAC0 0x81CF9F88 0x81CF9768 0x822C2C2C 0x822C3428 0x822C4820 0x
81CF6A8C 0x81CF6BFC 0x814DB948 0x818101F8 0x818104BC 0x81CA9A2C 0x81CACEAC
CPU Register Context:
MSR = 0x00009032 CR = 0x42000024 CTR = 0x81CFAA80 XER = 0x6000BD3F
R0 = 0xC0000000 R1 = 0x84F3CEC0 R2 = 0x849D0000 R3 = 0x00000003
R4 = 0x00000004 R5 = 0x00000000 R6 = 0x849D0000 R7 = 0x68010000
R8 = 0x00000003 R9 = 0xFFFFFFFF R10 = 0x00009032 R11 = 0x84B00000
R12 = 0x22000024 R13 = 0xFFF4B634 R14 = 0x81810478 R15 = 0x00000000
R16 = 0x00000000 R17 = 0x00000000 R18 = 0x00000000 R19 = 0x00000000
R20 = 0x00000000 R21 = 0x00000000 R22 = 0x00000000 R23 = 0x00000000
R24 = 0x00000000 R25 = 0x00000000 R26 = 0x84F3CEF0 R27 = 0x00000000
R28 = 0x68000000 R29 = 0x68004000 R30 = 0x00000004 R31 = 0x00000000
Writing crashinfo to flash:crashinfo_20020301-000038
=== Flushing messages (00:00:38 UTC Fri Mar 1 2002) ===
Queued messages:
*Mar 1 00:00:38.567: %SYS-3-LOGGER_FLUSHING: System pausing to ensure console d
ebugging output.
*Mar 1 00:00:29.508: %LINEPROTO-5-UPDOWN: Line protocol on Interface VoIP-Null0
, changed state to up
*** System received a Bus Error exception ***
signal= 0xa, code= 0x200, context= 0x84d19d68
PC = 0x81cfaac0, Vector = 0x200, SP = 0x84f3cec0

کسی میتونه کمکم کنه البته تا چند روز پیش بدون هیچ مشکلی کار میکرد .

بیشتر شبیه ایراد سخت افزاری هست حالا از ماژول یا از روتر