3Com P48121000A040G AC ADAPTER  12VDC -( ) 2.5x5.5mm New 120vac 1000mA Ault POWER SUPPLY Class 2 Transformer

Condition: New - Excellent

Content: One Adapter only

Manufacturer: EFFICIENT NETWORKS, INC. / Ault Inc. / 3com

MODEL NO:   P48121000A040G
PART NO:   7900-000-072
Compatible Part #: 041-0010-001 , 7900-000-072 , P48121000A040G, 7900-000-018-1.00
Compatible and same as:
EFFICIENT NETWORKS P48121000A070G
3COM 3C16740A  
3com P48121000A040G
KTEC KA12D120100015U

Input:  120VAC 60Hz 21W

Output: DC 12V === 1000mA 11W

Connecter Type: Straight Round Barrel - ---C---

DC Plug dimensions:  2.5 x 5.5 x 10  mm (AxBxC)

A Inner diameter - 2.5mm  

B Outer diameter - 5.5mm  

C Length - 10mm  

Dimensions:  8.4 x 5.8 x 5  cm approx.

Weight:  450 grams approx.

metal connector end is barrel shaped with a 3/32" (2.5mm) hollow center measuring 12/32" long (Under a 1/2 inch) by 6/32" (5.5mm) wide.   Polarity is -( meaning a negative outer barrel with a positive ( ) center tip.

To use with: Efficient Networks SpeedStream 5260 Ethernet ADSL Modem and more