Main Features -
Built-in Unique PoE Management Functions
PoE Usage Monitoring
- Info such as power, current and temperature are available on web management interface.
- Enhances the management efficiently of facilities.
PoE+ Power and Ethernet Data Transmission Distance Extension
- Breaking the 100-meter limit, the PoE extending function can further extend Data and PoE up to 250 meters on UTP cable at 10Mbps for up to 4 PDs with 30W power output.
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Fault Alarm (via electric relay)
- The built-in fault alarm function sends out alert via the electric relay when there’s fault on the network switch.
- It helps measure performance and quickly find out anomalies of the network switch.
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Dip Switch: RSTP, VLAN, SFP speed
- Conveniently toggle physical DIP switch for quick access to functions of RSTP, VLAN and SFP speed.
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Dual Power Input for High Reliability
- Automatically switch to secondary power input when primary power input fails, ensuring continuous operation without down time.
- Redundant power supply reduces possibility of single-point-of-failure.
Environmentally Hardened Design
- With a compact metal housing with an IP40 rating
- Environmentally hardened for direct deployment in difficult unconditioned out-of-plant and roadside installations.
- Extended ambient operating temperature range: -40C to +75C
 
Other Features -
- 4 10/100/1000Base-TX + 2 1000Base-SFP
- Supports IEEE802.3az energy-saving technology
- Supports IEEE 802.3af/at PoE+ (30W)
- Provide 9K Bytes Jumbo Frame that is compatible with multiple extension protocols
- Supports 802.3x Flow control
- 10/100/1000Mbps RJ45 Port
- Supports external 1000Base-SFP
- An easy-to-use WebGUI interface
- Complete with electricity surge protection, easy to use in an outdoor environment
Ordering Information -
| Available Model | Description |
| ET4222PpH-S-DR | Hardened Grade Lite-Managed 4-port 10/100/1000Base-TX (PoE+) + 2-port 1000Base-SFP Ethernet Switch with Redundant DC Power Inputs |
| Optional Accessories (to be purchased separately) |
| SFP | (S)=SFP Option. Please select your SFP on our <="">
|
Product safety information
