ATOP EHG7711 Industrial Managed Ethernet Switch
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The EHG7711-4PoE-1SFP-225SFP is an ATOP industrial managed Gigabit switch with 8 × 10/100/1000BASE-T(X) RJ45 ports, four of them IEEE 802.3af/at/bt PoE rated up to 90 W per port, plus 1 × 1000BASE-X SFP and 2 × 2500BASE-X SFP slots. Use it where PTZ cameras or Wi-Fi 6 access points need 802.3bt power on a 2.5 Gigabit fibre ring.
Port configuration (EHG7711-4PoE-1SFP-225SFP)8 × 10/100/1000BASE-T(X) RJ45 (4 × 802.3af/at/bt PoE) + 1 × 1000BASE-X SFP + 2 × 2500BASE-X SFP
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Description
The EHG7711 Series is an Industrial Grade Managed Gigabit Ethernet PoE Switch. UL, CE and FCC certified, it provides highly reliable, fault tolerant, extremely fast network connections in harsh environments.
Versatile high performance: Within its compact DIN-Rail slim type housing design, the EHG7711 series allows you to choose between different port combinations: 1G BASE-T(X) RJ45, IEEE 802.3af/at/bt compliant PoE RJ45, 1G BASE-X SFP and 2.5G Base-X SFP, achieving maximal network performance to suit your exact needs.
High power and redundancy: EHG7711 series provide, in its 8-PoE-Port Version, up to 90W per port and total 180 W power budget. All models have two terminal blocks to provide dual redundant power inputs with reverse polarity protection, enabling stand-alone fault alarm systems.
Reliability and security: Set up a reliable network environment through RSTP, ERPS Rings and MRP (Manager/Client) redundancy and keep equipment connected all the time, even in case of temporary network breakdowns. And to prevent network intrusions, EHG7711 supports user account, password policy, and authentication interface managements functions that comply with the IEC62443 standard.
Industry-specific features: Having undergone environmental testing to ensure reliable performance under a variety of power supply conditions, this switch series is fully compliant for today’s demanding railway applications, as well as complying with essential ground equipment standards. It can also function as an IEEE 1588 hardware-based boundary or transparent clock, offering precise transmission for time-sensitive processes.
EHG7711 specifications
| RJ45 ports | 8 × 10/100/1000BASE-T(X), auto negotiation speed |
|---|---|
| PoE ports | 4 × IEEE 802.3af/at/bt |
| PoE power per port | Up to 90 W |
| Fibre optics ports | 1 × 1000BASE-X SFP + 2 × 2500BASE-X SFP |
| MAC table size | 4K |
| VLAN | 4096-entry VLAN table, VID 1 to 4094, 512 MAC-based VLAN |
| Redundancy | ITU-T G.8032 ERPS, STP, RSTP, MSTP, MRP (Manager/Client), Compatible Ring/Chain, U-Ring |
| Time synchronisation | IEEE 1588 hardware-based TC (End-to-End and Peer-to-Peer) and BC, 802.1AS, NTP Server/Client, SNTP |
| Input voltage | 9-57 VDC (non-PoE); 45-57 VDC (802.3af); 53-57 VDC (802.3at/bt) |
| Input current (system) | 3.8 A max. for 802.3at/bt |
| Power consumption (system) | 195 W max. @ 57 VDC for 802.3at/bt |
| Power connector | 5-pin 5.08 mm lockable terminal block, reverse polarity protection |
| Console | RS232 (RJ45 connector) |
| Relay output | 2 relay outputs, 1 A @ 24 VDC |
| Housing | IP30 aluminium housing |
| Dimensions (W x H x D) | 168 × 135 × 55 mm (EHG7711) |
| Weight | 800 g |
| Installation | DIN-Rail; wall mount (optional kit) |
| Operating temperature | -40°C to +75°C (-40°F to +167°F) |
| Ambient relative humidity | 5% to 95%, 55°C (non-condensing) |
| Safety | UL/EN/IEC (CB) 62368-1; FCC Part 15 Subpart B Class A; EN 55032 Class A |
| Cybersecurity | Compliance with IEC 62443-4-1 development and functions requirements |
| MTBF | 20 years |
Specifications taken from the manufacturer datasheet.
Which version do I need?
The EHG7711 is sold in three PoE builds, all with 8 RJ45 ports, 1 × 1000BASE-X SFP and 2 × 2500BASE-X SFP: EHG7711-1SFP-225SFP (part 1P1EHG77110001G, no PoE), EHG7711-4PoE-1SFP-225SFP (1P1EHG77110002G, 4 PoE ports — this SKU) and EHG7711-8PoE-1SFP-225SFP (1P1EHG77110003G, 8 PoE ports). All three carry IEEE 1588 support.
Typical applications for the EHG7711
- High-resolution CCTV backhaul over 2.5 GbE
- 802.3bt PoE++ power for large PTZ cameras
- Wi-Fi 6 access point deployments
- Railway applications and rail ground equipment
- 2.5 Gbps redundant ring topologies (ERPS/RSTP/MRP)
- Time-sensitive process networks using IEEE 1588v2
Complete the stack
Products that work with this one — connect it, power it, and get it online.
EHG7711 — frequently asked questions
How many of the EHG7711-4PoE-1SFP-225SFP's ports supply PoE?
Four. The ordering table lists this part (1P1EHG77110002G) as 8 × 1000Tx RJ45 with 4 of them 802.3bt PoE, plus 1 × 1000BASE-X SFP and 2 × 2500BASE-X SFP. The datasheet gives a maximum of 90 W per PoE port across the IEEE 802.3af/at/bt range.
What is the total PoE power budget?
The datasheet quotes the 180 W total budget for the 8-PoE-port version of the series (and 120 W for the 'C' models); it does not publish a separate total budget figure for this 4-PoE variant. The stated per-port maximum is 90 W and system power consumption is 195 W max. @ 57 VDC in 802.3at/bt mode.
What supply voltage does it need for 802.3bt PoE?
53-57 VDC for 802.3at/bt operation, 45-57 VDC for 802.3af mode, and 9-57 VDC for non-PoE models. Power arrives on a 5-pin 5.08 mm lockable terminal block; the series has two terminal blocks giving dual redundant power inputs with reverse polarity protection.
What are the 2.5G SFP slots for?
The datasheet positions the 2.5 Gbps SFP slots for connecting high-resolution CCTV and public Wi-Fi, letting the switch replace slower units in an existing topology so 2.5 GbE devices run at full speed without a complete infrastructure overhaul. This model also has one separate 1000BASE-X SFP slot.
Does it support IEEE 1588 precision timing?
Yes. It functions as an IEEE 1588 hardware-based boundary clock or transparent clock (End-to-End and Peer-to-Peer), and also supports 802.1AS, NTP Server/Client and SNTP.
How much does the ATOP EHG7711 Industrial Managed Ethernet Switch cost in the UK?
The ATOP EHG7711 Industrial Managed Ethernet Switch is supplied to order and priced on application. Send a quote request and we confirm the price and lead time in writing, usually the same working day. No account is needed. Indiott is a UK distributor invoicing with VAT (PSI Technologies Ltd, VAT GB 730 2340 83).
What is the lead time and delivery cost for the ATOP EHG7711 Industrial Managed Ethernet Switch?
The ATOP EHG7711 Industrial Managed Ethernet Switch is supplied to order. We confirm the lead time in writing with your quote, before you commit to anything. UK delivery is a flat £14.25 per order ex VAT, whatever the weight or how many items you order. We ship to GB and the EU and provide a VAT invoice with every order.
