Installing the Equipment
Page 2-8
Reference Guide: EN8000 MPEG-4 Part 10 (H.264/AVC) Encoder
ST.RE.E10233.1
2.5
-48 Vdc Power Supply
2.5.1
D.C. Power Supply
Note…
Only model EN8030/BAS/48V and EN8090/BAS/48V use a d.c. power supply.
CAUTION...
This product should be operated only from the type of power source indicated on the marking label. If
you are not sure of the type of power supply to your business, consult a qualified electrical engineer.
This product uses a –48 Vdc power supply source (see
Annex B, Technical Specification
for a
full power supply specification).
For wiring d.c. power a minimum wire size of 1.0mm
2
(17AWG) is recommended. This may
need to be increased for longer cable runs. For protection of the d.c. wiring a circuit breaker of
maximum 10A is recommended.
2.5.2
Location of the D.C. Input Connector
The connector is located at the right-hand rear of the equipment.
WARNING…
THE –48 VDC ENCODER IS NOT FITTED WITH AN ON/OFF SWITCH. ENSURE THAT THE SUPPLY
HAS A SUITABLE MEANS OF ISOLATION THAT IS EASILY ACCESSIBLE. FAILURE TO ISOLATE
THE EQUIPMENT PROPERLY MAY CAUSE A SAFETY HAZARD.
Figure 2.3: Connector Block for -48 Vdc Input
The equipment fuse is held in an integral fuse carrier at the d.c. power inlet at the rear of the
Encoder. See
Annex B, Technical Specification
for d.c. fuse information.
2.5.3
Connecting the Equipment to the D.C. Power Supply
NOTE…
This equipment is not intended for direct connection to centralised d.c. power systems in the USA or
Canada.
Supply Side
Equipment Side
— +
Connector Block
Fuse
6.3A
—48 V
0 V
