I have 2811 router with serial & FXS cards.
I can't find the FXS card??
Cisco IOS Software, 2800 Software (C2800NM-ADVENTERPRISEK9_IVS-M), Version 12.4)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2006 by Cisco Systems, Inc.
Compiled Wed 22-Feb-06 16:37 by ccai
ROM: System Bootstrap, Version 12.4(1r) [hqluong 1r], RELEASE SOFTWARE (fc1)
ROM: Cisco IOS Software, 2800 Software (C2800NM-IPBASE-M), Version 12.3(8)T6, R)
R1 uptime is 9 minutes
System returned to ROM by reload at 21:19:18 UTC Thu Apr 12 2007
System image file is "flash:c2800nm-adventerprisek9_ivs-mz.124-4.T2.bin"
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Cisco 2811 (revision 53.51) with 249856K/12288K bytes of memory.
Processor board ID FTX1032A2CP
2 FastEthernet interfaces
2 Serial(sync/async) interfaces
1 Virtual Private Network (VPN) Module
DRAM configuration is 64 bits wide with parity enabled.
239K bytes of non-volatile configuration memory.
62720K bytes of ATA CompactFlash (Read/Write)
Configuration register is 0x2102