Cisco IEM-3000-8SM Expansion Module Branch Routers 1W Data rate 10

1W Data rate 10

Cisco PWR-IE170W-PC-AC Power Supply

and 7841 is compatible with Cisco Aironet Power Injector (AIR-PWRINJ5=)

You need a firewall that provides the performance you need at a price you can afford

SD-IE-1GB IE 1GB SD Memory Card - Spare STK-RACK-DINRAIL 19 in

Cisco IEM-3000-8SM Expansion Module Branch Routers 1W Data rate 10[shortdesc] Expansion module 100Mb LAN 8 ports for Industrial Ethernet 3000 Series [ shortdesc] [properties] Properties Cisco IEM 3000 8SM Description Expansion SFP Module for IE 3000 4TC, IE 3000 8TC, IE 3000 4TC E, and IE 3000 8TC E switches, 8 100MB SFP ports Product Family Industrial Ethernet 3000 Product Type Expansion Module Configurations Expansion SFP module for Cisco IE 3000 4TC and IE 3000 8TC switches 8 100M SFP ports Supported Products IE