Chapter 2:
Hardware introduction
•
Two 10/100/1000BASE-
T Gigabit Ethernet RJ45 ports (port 9 and port 10).
•
Two 100/1000BASE-X mini-
GBIC/SFP slots for
SFP type auto detection (port 9 and
port 10).
Power over Ethernet
•
Complies with IEEE 802.3at Power over Ethernet Plus, end-span PSE.
•
Backward compatible with IEEE 802.3af Power over Ethernet.
•
Up to 8 ports of IEEE 802.3af/IEEE 802.3at devices powered.
•
Supports PoE power up to 30
W
for each PoE port.
•
240 W PoE budget
•
Auto detects powered device (PD)
.
•
Circuit protection prevents power interference between ports.
•
Remote power feeding up to 100 meters
.
Industrial case and installation
•
IP30 aluminum case
•
DIN
-rail and wall-mount design
•
48 to 56 VDC r
edundant power with polarity reverse protect function.
•
Supports Ethernet ESD protection for 6000
VDC
•
-
40 to 75
°C operating temperature
Switching
•
Hardware
-based 10/100 Mbps (half/full duplex), 1000 Mbps (full duplex), auto-
negotiation and auto MDI/MDI
-X.
•
Features Store-and-Forward mode with wire-speed filtering and forwarding rates.
•
IEEE 802.3x flow control for full duplex operation and back pressure for half duplex
operation.
•
16K MAC address table size
•
10K jumbo frame
•
IEEE 802.1Q VLAN transparency
•
Hardware DIP switch for “Standard” and “Extend” mode selection; the “Extend”
mode features 30 W PoE transmit distance of 250 m at a speed of 10 Mbps.
•
Automatic address learning and address aging
•
Supports CSMA/CD protocol
Product specifications
10
NS2052-8P-2C Industrial PoE+ Switch User Manual
