Cisco 1800 Series integrated services routers are the next evolution of the award-winning Cisco 1700 Series modular access routers. The Cisco 1841 router (Figure 1) is designed for secure data connectivity and provides significant additional value.

Table 1 gives product specifications of the Cisco 1841 Router.

Cisco 1800 Series	Cisco 1841
Chassis
Form Factor	Desktop, 1-rack-unit (1RU) height (4.75 cm high with rubber feet)
Chassis	Metal
Wall-Mountable	Yes
Rack-Mountable	Yes (Optional Rackmount kit: ACS-1841-RM-19=)
Dimensions (W x D)	13.5 x 10.8 in. (34.3 x 27.4 cm) Height without rubber feet: 1.73 in. (4.39 cm) Height with rubber feet: 1.87 in. (4.75 cm)
Weight	Maximum: 6.2 lb (2.8 kg); with interface cards and modules Minimum: 6.0 lb (2.7 kg) (no interface cards and modules)
Architecture
DRAM	Synchronous dual in-line memory module (DIMM) DRAM
DRAM Capacity	Default: 128 MB Maximum: 384 MB
Flash Memory	External compact Flash
Flash Memory Capacity	Default: 32 MB Maximum: 128 MB
Modular Slots-Total	Two
Modular Slots for WAN Access	Two
Modular Slots for HWICs	Two
Modular Slots for Voice Support	None-The Cisco 1841 does not support voice
Analog and Digital Voice Support	No
VoIP Support	Voice-over-IP (VoIP) pass-through only
Onboard Ethernet Ports	Two 10/100

The Cisco 1841 is currently orderable.

Table 2 gives ordering information for the Cisco 1841 Router.

Product Number	Product Description
Configurable Base Chassis
Cisco 1841	Modular router with 2 WAN slots, desktop form factor chassis, IP BASE Cisco IOS Software image, 2 Fast Ethernet slots, 32-MB Flash, and 128-MB DRAM
Bundles
CISCO1841-T1	1841 bundle w/WIC-1DSU-T1-V2, IP Base, 32FL/128DR
Security Bundles
CISCO1841-SEC/K9	1841 Security Bundle,Adv.Security,64FL/256DR
CISCO1841-HSEC/K9	1841 Bundle w/AIM-VPN/SSL-1,Adv. IP Svcs,10 SSL lic,64F/256D
CISCO1841-T1SEC/K9	1841 Security Bundle w/ WIC-1DSU-T1-V2, Adv.Sec.,64FL,256DR
Broadband Bundles
CISCO1841-ADSL2	1841 bundle, HWIC-1ADSL, IP BB, 32F/128D
CISCO1841-ADSL2-B	1841 bundle,HWIC-ADSL-B/ST,IP BB,32F/128D
CISCO1841-ADSL	1841 ADSLoPOTS Bdle,IP Broadband,32FL/128DR
CISCO1841-ADSL2-I	1841 ADSLoISDN bdle, HWIC-1ADSLI, IP Base, 32F/128D
CISCO1841-ADSL2-M	1841 bundle, HWIC-1ADSL-M, IP Base, 64F/128D
CISCO1841-SHDSL-V3	1841 bundle, WIC-1SHDSL-V3, IPBB, 32F/128D
CISCO1841-2SHDSL	1841 2-pair G.SHDSL bundle, HWIC-2SHDSL, IP Base, 64F/128D
CISCO1841-4SHDSL	1841 4-pair G.SHDSL bundle, HWIC-4SHDSL, IP Base, 64F/128D
3G Bundles
C1841-3G-G	1841 bundle w/HWIC-3G-GSM, IP Base, 64FL/128DR
C1841-3G-V	1841 bundle w/HWIC-3G-CDMA-V, IP Base, 64FL/128DR
C1841-3G-S	1841 bundle w/HWIC-3G-CDMA-S, IP Base, 64FL/128DR
C1841-3G-G-SEC/K9	Cisco1841, HWIC-3G-GSM, 64MB FL /256MB DRAM, Adv Security
C1841-3G-V-SEC/K9	Cisco 1841, HWIC-3G-CDMA-V, 64MB FL /256MB DRAM, Adv Security
C1841-3G-S-SEC/K9	Cisco 1841, HWIC-3G-CDMA-S, 64MB FL /256MB DRAM, Adv Security

　 To download the Cisco IOS Software for the Cisco 1800 Series, visit the Cisco Software Center.

Table 3 gives the Cisco IOS Software images for the Cisco 1841 router.

Cisco 1841	List of Supported Images in 12.4(T)
Default image: c1841-ipbase-mz	IP BASE W/O CRYPTO
C1841-ipbasek9-mz	IP BASE
C1841-advsecurityk9-mz	ADVANCED SECURITY
C1841-broadband-mz	BROADBAND
C1841-entbase-mz	ENTERPRISE BASE W/O CRYPTO
C1841-entbasek9-mz	ENTERPRISE BASE
C1841-entservices-mz	ENTERPRISE SERVICES W/O CRYPTO
C1841-entservicesk9-mz	ENTERPRISE SERVICES
C1841-advipservicesk9-mz	ADVANCED IP SERVICES
C1841-adventerprisek9-mz	ADVANCED ENTERPRISE SERVICES
C1841-spservicesk9-mz	SP SERVICES