Two is better than one: Your insurance against power failure
The ALFA Network APOE03G is not just a PoE Injector – it's your guarantee for a stable Network. Its outstanding feature is Power Supply redundancy. Thanks to two independent inputs – a classic DC barrel jack and an industrial screw terminal block – you can connect two power sources in parallel. If your primary Power Supply fails, the second source, such as a UPS or a battery, seamlessly takes over. This keeps your critical devices like IP Cameras or WiFi Access Points online without interruption.
Maximum Flexibility: From 5V to 57V for every project
Forget the limitations of conventional PoE Injectors / Power Supplies. The APOE03G accepts any DC voltage between 5 and 57 Volts. This enormous bandwidth opens up completely new possibilities. Operate a 12V Network device directly from a car battery, power a 24V system via a solar installation, or integrate it into a standard 48V PoE Network. The voltage you apply at the input is passed 1:1 to the end device – simple, direct, and incredibly versatile.
No Compromises: Full Gigabit Power for your Devices
Performance losses are not an option. The APOE03G is designed as a pure pass-through device and supports full Gigabit Ethernet speed (10/100/1000 Base-T). This means that your data-hungry applications, such as high-resolution video streaming or fast data transfers from Access Points, are not slowed down by the injector. You get the full bandwidth of your Network, combined with a reliable Power Supply.
Built for Emergencies: Robustness for Industry & Outdoor
Where other devices give up, the APOE03G just begins. Its official operating temperature range of -35° C to +60° C makes it the first choice for use in unconditioned environments. Whether in a hot attic, a cold control cabinet, or a protected outdoor area – this injector is designed for continuous operation under demanding conditions. The compact, screw-mountable housing also ensures a secure and professional installation.
Strengths & Notes at a Glance
- Pro: Outstanding reliability due to dual, redundant power inputs.
- Pro: Extremely wide input voltage range (5-57V DC) for maximum flexibility.
- Pro: Industrial-grade temperature range (-35°C to 60°C) for harsh environments.
- Pro: Full Gigabit performance (1000 Base-T) without data loss.
- Pro: Two connection types for power (DC jack & screw terminals).
- Note: As a passive PoE Injector, no voltage negotiation takes place. Incorrect input voltage can damage the end device.
- Note: No power supply is included. This must be purchased separately to match the end device.
Specifications & Features
| Manufacturer: | ALFA Network Inc. |
| Model: | APOE03G |
| EAN: | 4718050302369 |
| Product Type: | Passive PoE Injector (Midspan) |
| Data Rate: | 10/100/1000 Base-T (Gigabit Ethernet) |
| Input Connector: | 1x RJ-45 'Data In' |
| Output Connector: | 1x RJ-45 'Data & Power Out' |
| Supported Cables: | CAT5e, CAT6 and higher |
| PoE Type: | Passive (no handshake) |
| PoE Compatibility: | Devices with IEEE 802.3af/at via Mode B |
| PoE Pinout (Mode B): | Pin 4/5 (DC+), Pin 7/8 (DC-) |
| Input Voltage (DC): | 5 V to 57 V |
| Nominal Voltage: | 48 V |
| Maximum Input Current: | 1.7 A |
| Output Voltage: | Corresponds to input voltage |
| Maximum Output Current: | 1.7 A |
| Maximum Output Power: | Up to 96.9 W (calculated, depends on voltage) |
| Power Input 1: | DC Barrel Jack (2.1 mm / 5.5 mm) |
| Power Input 2: | Screw Terminal Block |
| DC Jack Polarity: | Inner (+), Outer (-) |
| Housing Material: | ABS Plastic, textured |
| Color: | Black |
| Dimensions (L x W x H): | 67 x 67 x 24 mm |
| Weight: | 40 g |
| Mounting: | Screw mounting possible |
| Operating Temperature: | -35° C to 60° C |
| Storage Temperature: | -45° C to 70° C |
| Operating Humidity: | 10% to 90% (non-condensing) |
| Operating System: | OS-independent (no software) |
Scope of Delivery
| 1 x ALFA Network APOE03G PoE Injector |
Frequently Asked Questions (FAQ)
What does 'redundant PoE injector' mean for this device?
Redundant means that the APOE03G has two independent power inputs (a DC barrel jack and a screw terminal block). You can connect two power sources simultaneously. If one source fails, the other seamlessly takes over the supply, ensuring the reliability of the connected network device.
Can I use the ALFA APOE03G for a 24V device like a Ubiquiti Nanostation?
Yes, that is possible. Since it is a passive injector, you only need to supply it with a 24V DC power source. The injector then passes this 24V directly to the end device. The Mode-B pinout is compatible with many passive 24V devices.
Do I need a special power supply for the APOE03G?
You need an external DC power supply, which is not included. The crucial criteria are that the output voltage of the power supply matches the requirements of your end device (e.g., 12V, 24V, 48V) and the connector fits (2.1/5.5mm) or you connect the cables directly to the screw terminals.
What is the difference between this passive and an active PoE injector?
An active PoE injector (according to IEEE 802.3af/at) communicates with the end device before power delivery to negotiate the required power. This passive injector does not do that; it applies the input voltage directly to the line without verification. This makes it more flexible but requires more caution during installation.
Can I connect the injector directly to a 12V car battery?
Yes. Thanks to the wide voltage input (5-57V) and the screw terminal connection, you can connect the APOE03G directly to a 12V car battery or another 12V source, for example, to power mobile or outdoor network devices.
Does the APOE03G support devices that require PoE via Mode A?
No. The specifications explicitly indicate power supply via Mode B (wire pairs 4/5 and 7/8). Devices that strictly require Mode A (power via data wires 1/2 and 3/6) are not compatible.
Homepage: https://alfa.com.tw
