не хотят работать, они совместимы?

cs3548_1#sh ver
Cisco Internetwork Operating System Software
IOS (tm) C3500XL Software (C3500XL-C3H2S-M), Version 12.0(5)XW, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2000 by cisco Systems, Inc.
Compiled Thu 14-Dec-00 14:26 by devgoyal
Image text-base: 0x00003000, data-base: 0x00329DF8

ROM: Bootstrap program is C3500XL boot loader

cs3548_1 uptime is 14 weeks, 5 days, 2 hours, 13 minutes
System returned to ROM by power-on
System image file is "flash:c3500XL-c3h2s-mz-120.5-XW.bin"

cisco WS-C3548-XL (PowerPC403) processor (revision 0x01) with 16384K/1024K bytes of memory.
Processor board ID FAB0535U1X4, with hardware revision 0x00
Last reset from power-on

Processor is running Enterprise Edition Software
Cluster command switch capable
Cluster member switch capable
48 FastEthernet/IEEE 802.3 interface(s)
2 Gigabit Ethernet/IEEE 802.3 interface(s)

32K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address: 00:07:50:84:8F:40
Motherboard assembly number: 73-3903-08
Power supply part number: 34-0971-01
Motherboard serial number: FAB053518H5
Power supply serial number: APQ053402HQ
Model revision number: A0
Motherboard revision number: C0
Model number: WS-C3548-XL-EN
System serial number: FAB0535U1X4
Configuration register is 0xF

029025: *Jun 12 02:17:14: %GBIC_1000BASET-6-GBIC_1000BASET_DEFAULT_CONFIG: 1000-BaseT GBIC module is detected in Gi0/2.  Speed and duplex will be autonegotiated

даю
cs3548_1(config)#int gi0/2
cs3548_1(config-if)#no shut
cs3548_1(config-if)#
029026: *Jun 12 02:19:36: %LINK-3-UPDOWN: Interface GigabitEthernet0/2, changed state to up
029027: *Jun 12 02:19:36: %LINK-3-UPDOWN: Interface GigabitEthernet0/2, changed state to down

подымается и сразу падает
в чем проблема?

• WS-C3548-XL + GBIC model WS-G5482 help!, Nailer, 15:12 , 06-Сен-05, (1)  
• WS-C3548-XL + GBIC model WS-G5482 help!, SergT, 15:22 , 06-Сен-05, (2)  
• WS-C3548-XL + GBIC model WS-G5482 help!, samp, 05:20 , 07-Сен-05, (3)