ATOP EHG7504 Industrial Managed Ethernet Switch
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The ATOP EHG7504 is a compact all-Gigabit Layer 2 managed switch with up to 4 × 10/100/1000BASE-T(X) RJ45 ports or up to 4 × 1000BASE-X SFP slots, and up to 120 W of PoE on the 4-PoE version. It is NEMA TS2 and EN 50155 certified, Profinet CC-B certified, and operates from -20 to +70°C on dual redundant 9-57 VDC inputs.
PoE Power BudgetUp to 120 W across 4 IEEE 802.3af/at PoE ports (EHG7504-4PoE)
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Description
The EHG7504 Series is an Industrial Grade Managed Gigabit Ethernet PoE Switch. Designed to provide a highly reliable, fault-tolerant, extremely fast network connection in a harsh environment, EHG7504 Series equips two terminal blocks to provide dual redundant power inputs with Reverse Polarity Protection and allows field engineers to build up a stand-alone fault alarm system. EHG75XX family is UL, CE, FCC and NEMA TS-2 certified, allowing the use in Traffic Control Applications.
Within its compact DIN-Rail housing design, the EHG7504 series allows you to choose between different port combinations: 10/100/1000 BASE-T(X) RJ45 port, 1000 BASE-X SFP port and IEEE 802.3af/at compliant PoE RJ45. EHG7504 provide, in its 4-PoE-Port Version, up to 120W power budget.
This is the right choice if you want to set up a Reliable network environment with its intelligent features and keep equipment connected all the time, even in case of temporary network breakdowns through RSTP, ERPS Rings and MRP (client) redundancy. Being multiple Compatible Rings also supported, ATOP can be the best choice to have a painless enhancement of an existing infrastructure that doesn’t jeopardize network Topology and existing working pattern. To prevent network intrusions, it is necessary to have a good accessing control mechanism that can identify, authenticate and authorize users. EHG7504 support user account, password policy, and authentication interface managements functions that comply with IEC62443 standard.
Being Profinet CC-B v2.33 certified, this switch Series is Automation and IoT ready. Profinet allows wired and wireless combinations for an array of connectivity options, providing a more effective backbone for your automation operations.
Having undergone environmental testing to ensure reliable performance under a variety of power supply conditions, such as voltage variations, power interruptions, and supply changeovers, this switch Series is fully EN50155-certified for today’s demanding railway applications, as well as complying with essential sections of EN50121-4 for ground equipment.
EHG7504 specifications
| Total Ports | 4 |
|---|---|
| RJ45 Ports | Up to 4 × 10/100/1000BASE-T(X) |
| Fibre (SFP) Slots | Up to 4 × 1000BASE-X SFP |
| PoE Ports | Up to 4, IEEE 802.3af/at |
| PoE Power Budget | Up to 120 W (4-PoE-port version) |
| Switching Type | Layer 2 managed, all-Gigabit |
| Redundancy Protocols | STP, RSTP, MSTP, ITU-T G.8032 ERPS, MRP, compatible rings |
| Time Synchronisation | IEEE 1588v2 hardware-based E2E transparent clock |
| Automation Protocols | Profinet CC-B v2.33 certified; Modbus TCP |
| Management | SNMPv1/v2c/v3 |
| Network Features | IEEE 802.1Q VLAN, IEEE 802.1p QoS, IEEE 802.1ad LACP trunking, IGMP v1/v2/v3 snooping, DHCP option 66/67/82, GARP/GVRP/GMRP, IPv4/IPv6 |
| Security Features | User account, password policy and authentication interface management (security features based on IEC 62443); IEEE 802.1X; ACLs |
| Input Voltage | 9-57 VDC; 45 VDC or higher for PoE output |
| Power Redundancy | Dual redundant inputs on two terminal blocks, reverse polarity protection |
| Relay Output | Yes, for a stand-alone fault alarm |
| Operating Temperature | -20 to +70°C |
| Storage Temperature | -40 to +85°C |
| Housing | Metal |
| Ingress Protection | IP30 |
| Mounting | DIN rail |
| Dimensions | 54 × 113 × 145 mm (L × W × H) |
| Certifications | NEMA TS2; EN 50155 certified and compliant with the essential sections of EN 50121-4; UL/EN/IEC (CB) 60950-1 and/or 62368-1; Profinet CC-B v2.33 |
Specifications taken from the manufacturer datasheet.
Which version do I need?
This page covers the EHG7504 series. ATOP lists five codes: EHG7504 (4 × Gigabit RJ45, no PoE), EHG7504-4PoE (4 × Gigabit PoE RJ45, the 120 W version), EHG7504-2SFP (2 × RJ45 plus 2 × Gigabit SFP), EHG7504-2PoE-2SFP (2 × PoE RJ45 plus 2 × Gigabit SFP) and EHG7504-4SFP (4 × Gigabit SFP, no copper). Choose on the copper, PoE and fibre mix you need; the housing, temperature range and certifications are shared.
Typical applications for the EHG7504
- Traffic control cabinets (NEMA TS2 certified)
- Railway rolling stock and trackside ground equipment (EN 50155, EN 50121-4)
- Profinet automation cells needing a certified Gigabit switch
- Powering up to 4 IP cameras or access points from a small enclosure
- Fibre ring nodes using the 2SFP or 4SFP versions with ERPS or MRP
- Networks that need IEEE 1588v2 transparent clock timing
Complete the stack
Products that work with this one — connect it, power it, and get it online.
EHG7504 — frequently asked questions
What port combinations can the EHG7504 have?
Four ports in total: 4 × Gigabit RJ45, 4 × Gigabit PoE RJ45, 2 RJ45 plus 2 SFP, 2 PoE RJ45 plus 2 SFP, or 4 × 1000BASE-X SFP, depending on the ordering code.
What is the PoE power budget?
Up to 120 W on the 4-PoE-port version, with ports following IEEE 802.3af/at. The switch needs an input of 45 VDC or higher to deliver PoE.
Is it approved for rail and traffic installations?
Yes. ATOP states it is EN 50155 certified for railway use and complies with the essential sections of EN 50121-4 for ground equipment, and the EHG75xx family is NEMA TS2 certified for traffic control.
Which redundancy protocols are supported?
STP, RSTP, MSTP, ITU-T G.8032 ERPS and MRP, plus ATOP's compatible rings, so it can join an existing ring without changing its topology.
What is the difference between the EHG7504 and the EHG7604?
They share the same 4-port options, housing and -20 to +70°C rating. The EHG7604 adds Layer 3 routing (static, RIP, OSPF), while ATOP's guide lists Profinet CC-B certification for the EHG7504 and not for the EHG76xx family.
Does it support IEEE 1588?
Yes, it has an IEEE 1588v2 hardware-based end-to-end transparent clock.
How much does the ATOP EHG7504 Industrial Managed Ethernet Switch cost in the UK?
The ATOP EHG7504 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 EHG7504 Industrial Managed Ethernet Switch?
The ATOP EHG7504 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.
