3COM 3C16740A  AC ADAPTER  12V DC 1000mA new -( )- 2.5x5.5mm P48121000A040G POWER SUPPLY Class 2 Transformer

Condition: New - Excellent

Content: One Adapter only

Part #: 7900-000-072 , P48121000A040G, 7900-000-018-1.00
Manufacturer: EFFICIENT NETWORKS, INC. / Ault Inc. / 3com
MODEL NO:   3C16740A
PART NO:   P48121000A040G
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: Round Barrel - ---C---
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.
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 x 5.5 x 5  cm approx.

Weight:  500 grams approx.

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