思科路由器，用console线连接，启动到下列信息后就进不去了，

*Apr 21 08:01:48.855: %LINEPROTO-5-UPDOWN: Line protocol on Interface NVI0, changed state to up
*Apr 21 08:01:59.651: %SYS-5-CONFIG_I: Configured from memory by console
*Apr 21 08:02:00.555: %SYS-5-RESTART: System restarted --
Cisco IOS Software, 2800 Software (C2800NM-ADVENTERPRISEK9_SNA-M), Version 12.4(22)T, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2008 by Cisco Systems, Inc.
Compiled Fri 10-Oct-08 00:05 by prod_rel_team
*Apr 21 08:02:00.563: %SNMP-5-COLDSTART: SNMP agent on host Router is undergoing a cold start
*Apr 21 08:02:00.823: %CRYPTO-6-ISAKMP_ON_OFF: ISAKMP is OFF
*Apr 21 08:02:00.823: %CRYPTO-6-GDOI_ON_OFF: GDOI is OFF
*Apr 21 08:02:00.823: %CRYPTO-6-ISAKMP_ON_OFF: ISAKMP is OFF
*Apr 21 08:02:00.823: %CRYPTO-6-GDOI_ON_OFF: GDOI is OFF
*Apr 21 08:02:00.823: %CRYPTO-6-ISAKMP_ON_OFF: ISAKMP is ON
*Apr 21 08:02:00.959: %LINK-3-UPDOWN: Interface Virtual-Access1, changed state to up
*Apr 21 08:02:01.655: %LINK-5-CHANGED: Interface NVI0, changed state to administratively down
*Apr 21 08:02:01.959: %LINEPROTO-5-UPDOWN: Line protocol on Interface Virtual-Access1, changed state to up
*Apr 21 08:02:02.875: %LINEPROTO-5-UPDOWN: Line protocol on Interface NVI0, changed state to down
*Apr 21 08:02:05.199: %DSPRM-5-UPDOWN: DSP 2 in slot 0, changed state to up
*Apr 21 08:02:06.531: %DSPRM-5-UPDOWN: DSP 1 in slot 0, changed state to up
*Apr 21 08:02:06.719: %LINK-3-UPDOWN: Interface Foreign Exchange Office 0/0/0, changed state to up
*Apr 21 08:02:06.987: %LINK-3-UPDOWN: Interface Foreign Exchange Office 0/0/1, changed state to up

是因为权限和密码原因吗？

"我找个串口插头焊接接网线rj45插头"我感觉是这里出的问题自己焊接的网线应该是不能用的