9
2.2
Description of Equipment Line Connection
Figure 2-4 DH-PFM88X Interface Connection Diagram
Type
Interface
Interface Name
Connection and Function
DH-PFM881
Two
RJ45
interfaces
POE
Connect “POE” on POE power supply
with twisted pair cable; provide
DH-PFM881 equipment with 24V
power supply and data transmission.
LAN2
As “LAN” interface, it can connect IP
Camera. Any LAN port can be used for
equipment debugging.
DH-PFM880
One RJ45
interface
None
Connect “POE” interface on POE
power supply with network cable;
provide DH-PFM880 equipment with
24V
power
supply
and
data
transmission. “LAN” interface on POE
power supply connects a switch or
other equipment, and serves as a
debugging interface.
Table 2-1 Description of Port Connection
2.3
Restore Factory Defaults
If the user forgets DH-PFM88X IP, choose manual operation: press Reset key for 5-10s and release
it after all LED turn on, when the equipment has restored factory defaults. Meanwhile, the network
interface, which owns a direct connection with DH-PFM88X host, displays 2 continuous connections and
disconnections.
