Powering Methods; Power From Catv System; Power From Poe Inserter - SMC Networks SMC8511 Install Manual

3. Powering Methods

3.1

Power from CATV System

Power-Passing Tap
When the SMC8511 is to be CATV line powered the tap must be power passing and the
attenuator value chosen to present the system standard levels to the internal cable modem. A
surge protector (furnished) provides protection from system power events. The laptop computer
utilized for configuration plugs into the Ethernet port.
3.2

Power from PoE Inserter

Non Power-Passing Tap
CATV RF
24 VDC
1 amp
CATV RF +
60-90 VAC
Figure 3-1 Power from CATV System
PoE
Injector
Figure 3-2 Power from PoE Inserter
Surge
Protector
Ethernet
Port
Surge
Protector
Ethernet
Port
- 7 -
SMC8511
SMC8511