Cisco 1941 Installing And Upgrading

Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs
Modules Internal to the Cisco 1941 Router
6
Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs
Figure 1 Removing the Chassis Screw
Note If the Cisco 1941 ISR has wireless antennas (Figure 2), you must first remove these by
unscrewing them counter clockwise.
Figure 2 Removing Wireless Antennas
Step 4
Turn the router back to its original position (top up).
Step 5 Pull the top of the router (which is facing up toward you) back from the bottom of the router.
1 Router cover fastening screws (4)
DO NOT REMOVE DURING
NETWORK OPERATION
DO NOT REMOVE DURING
NETWORK OPERATION
251367
1 Wireless antennas
GHz
SYS
ACT POE WLAN
2.4
5
199583
1
Cisco 1900 Series

Cisco 1941 Specifications

General

Product Type	Router
Product Series	1900
Model	1941
Connectivity Technology	Wired
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet
Flash Memory	256 MB
Power Supply	Internal power supply
Power	AC 120/230 V (50/60 Hz)
Operating System	Cisco IOS
Product Name	Cisco 1941
Form Factor	Rack-mountable
Network/Transport Protocol	IPSec, L2TP, PPPoE, PPPoA
Remote Management Protocol	SNMP, Telnet, SSH, HTTP, HTTPS
Features	Firewall protection, VPN support, VLAN support
Interfaces	2 x 10/100/1000Base-T Ethernet WAN, 2 x USB 2.0
Expansion Slots	2 x EHWIC 1 x ISM slot
Wireless LAN	No
RAM	512 MB (installed) / 768 MB (max)