RouterBOARD 751 Series User's Manual
3
System Board View and Layout
You can download the board dimensions and case design files (PDF and DXF) from www.routerboard.com
Specifications
RouterBOARD 751U-2HnD / RouterBOARD 751G-2HnD
CPU
AR7241 400MHz
Memory
32MB DDR SDRAM onboard
Boot loader
RouterBOOT
Data storage
64MB onboard NAND memory chip
Ethernet
RB751U-2HnD: Five 10/100 Mbit/s Ethernet ports supporting Auto-MDI/X
RB751G-2HnD: Five 10/100/1000 Gigabit ports with Auto-MDI/X
MiniPCI slot
-
Expansion
USB 2.0 port
CompactFlash slots
-
Serial port
-
LEDs
Power, NAND activity, 5 Ethernet and 1 wireless LEDs
Beeper
+
Power at the device
DC power jack
(5.5mm outside and 2mm inside diameter, female, pin positive plug) accepts
8-30V DC
Power over Ethernet
Ether 1 requires 8-30V DC (non 802.3af), to compensate for losses, it’s recommended to use 12V or more
Power consumption
Up to 7W
Dimensions
113x138x29mm. Weight without packaging and cables: 230g
Temperature
Indoor device. Operational temperature: -20°C to +50°C
Humidity
Operational: up to 70% relative humidity (non-condensing)
