Model: Cisco 1841
 
Services and Slot Density
DRAM: Synchronous dual in-line memory module (DIMM) DRAM
DRAM Capacity: Default 256 MB - Maximum: 384 MB
Flash Memory: External compact Flash
Flash Memory Capacity: Default: 64 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
Onboard USB Ports: One (1.1)
Console Port: One-up to 115.2 kbps
Auxiliary Port: One-up to 115.2 kbps
Onboard AIM Slots: One (internal)
PVDM Slots on Motherboard: None-The Cisco 1841 does not support voice
Integrated Hardware-based Encryption on Motherboard: Yes
Encryption Support by Default: DES, 3DES, AES 128, AES 192, AES 256
 
Power Specifications
Internal Power Supply: Yes
Redundant Power Supply: No
DC Power Support: No
AC Input Voltage: 100 to 240 VAC
Frequency: 50 to 60 Hz
AC Input Current: 1.5A maximum
Output Power: 50W maximum
 
Physical Specifications
Chassis Form Factor: Desktop, 1-rack-unit (1RU)
Chassis Type: Metal
Wall-Mountable: Yes
Rack-Mountable: Yes (Optional Rackmount kit: ACS-1841-RM-19=)
Dimensions without rubber feet (W x D x H): 13.5 x 10.8 x 1.73 in.
Dimensions with rubber feet (W x D x H): 13.5 x 10.8 x 1.87 in.
Weight with interface cards and modules: Maximum: 6.2 lb - 2.8 kg
Weight without interface cards and modules: Minimum: 6.0 lb - 2.7 kg