V1.0 May 2012

Data Sheet

Ag9330

30W POE Module for Security Cameras and Systems

© Silver Telecom 2012

10

Figure 7 shows how to implement the two auxiliary inputs: -

The DC input requires two diodes to ‘OR’ with the +VDC output. R1 (0R) should be fitted

to increase the Ag9330 output to compensate to the voltage drop of D1*.

Ag9330

RX

TX

4

5

1

2

3

6

7

8

VIN+

AT-DET

ADJ

12V Output

RJ-45

VIN-

AUX1+

AUX1-

+

-

~

~

+

-

~

~

+VDC

-VDC

+

-

~

~

+

C2

1000µF

Auxiliary AC Input

~

~

+

-

(1.5A)

POE Input

Isolation Barrier

* Pull-up resistor required to controller power rail

Opto1

To Controller *

PC817 or equivalent

+

C1

1000µF

Auxiliary DC Input

AUX DC+

AUX DC-

R1

0R

D1

MBRD660

BR1

DBS152G

BR2

DBS152G

Figure 7: Typical PoE and Auxiliary Input Connection Diagram

*Note: The MBR660 suggested for D1 can be changed to two independent diodes or a

higher specification dual diode if needed.