720A Operation and Maintenance Manual – Rev S – January 25, 2019
Page 13
13231 Rooster Springs Rd.,
Austin, TX 78737
T:
(512) 858-4045
E:
amptec.com
D-3 Rear Panel Features
The following sub-sections, D-3.1 through D-3.6, provide information on the features,
design, and uses of the 720A meter’s rear panel. The below diagram (
Figure 4
) shows
the details of the NSN version of a 720A rear panel. The key to the right of the rear
panel highlights the main features that will be described further in this section:
The below diagram (
Figure 5
) shows the details of the Commercial version of a 720A
rear panel. The key to the right of the diagram highlights which feature will be described
further in this section:
Please note that the appearance and layout of your unit’s rear panel may vary from
these diagrams slightly depending upon the options that your unit is outfitted with and its
year of manufacture.
D-3.1 Fuse Holder and Fuse Information
This cap (refer to item 1 within
Figure 4
) holds the unit’s 2A fuse in place. The unit will
accept any 3AG fuse that has a current rating of 2A and a voltage rating of 250V. The
cap can be turned clockwise to provide access to the fuse. Once the cap has been
unscrewed from the unit, you may delicately pull on the fuse to remove it. To insert a
KEY
1
Fuse Holder
2
RS-232C Terminal
Block
3
Fan Guard
4
AC Inlet
5
RS-232C Connector
KEY
6
DC Power Jack
Figure 4
NSN Version of 720A Rear Panel
Figure 5
720-BAT Version of 720A Rear Panel
