Name: Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount
Brand: Lenovo
SKU: cmnq33bap18lcns9us5vl2vnm
Availability: InStock

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Description

Ethernet to Serial Device with 1 Port software selectable as RS232, RS422/485 Full duplex or RS422 Half duplex. ES-511 has removable Screw Terminals Blocks for easy wiring, a slim 'end on' case and integral DIN rail mount. Our Industrial Ethernet to Serial has an operating temperature range of -30 to +80 degrees Celsius and with +5VDC to +30VDC Dual input reverse polarity protected power supply making it perfect for industrial applications. Data transfer rates up to 1,000,000 baud, coupled with 1Mbit/s line drivers deliver uncompromising performance. Our Industrial ES range provides simple instant networked serial ports in demanding environments. Serial Port Tunneling allows serial cable replacement over any distance, no software required. Suitable to be wired into existing power and network infrastructure or can be used with our PW-600 power supply.- 1 Port RS-232/422/485- Industrial Ethernet to Serial Device Server- Data rate from 110 to 921,600 baud- Removable, colour-coded, number terminal blocks- 30°C to +80°C Temperature range- Robust, Slim Design, Integrated DIN rail mount

Specifications

Serial ports quantity	1
Serial interface type	RS-232/422/485
Ethernet LAN data rates	10,100 Mbit/s
Flow control support	Yes
Baud rate	1000 Kbit/s
Certification	RoHS, WEEE, FCC, UL, METL, TAA, AEO
Ethernet LAN (RJ-45) ports	1
Cabling technology	10/100/1000Base-T(X)
Input voltage	5 - 30 V
Power consumption	60 mA
Supported network protocols	ICMP, IP, TCP, UDP, DHCP, BOOTP, Telnet, HTTP, RFC2217
LED indicators	Yes
Weight	108 g
Dimensions (WxDxH)	96.3 x 101 x 25 mm
Package width	22.6 mm
Package length	11.4 cm
Package height	99 mm
Operating temperature (T-T)	-30 - 80 °C
Storage temperature (T-T)	-40 - 85 °C
Operating relative humidity (H-H)	5 - 95%

Full specifications

Marque	Lenovo
Référence fabricant	4z10a39514
EAN	0887770889789

Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount: complete technical analysis for 2026

With the Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount, Lenovo offers a solution suited to everyday needs in 2026. Available from 2 retailers on Compiral, this product benefits from real-time price comparison. Each offer is verified and updated several times a day to ensure you have the freshest information. Our platform calculates the total price including delivery costs, so you can identify the true best offer among all listed retailers.

Who is this Périphériques informatiques for?

The Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount benefits from the expertise of Lenovo in this category. Its design meets current market standards and satisfies even the most demanding users in their everyday activities. The brand's reliability translates into positive feedback from regular buyers, who particularly appreciate the consistency between the promises of the product sheet and the real-world experience. For the Périphériques informatiques category, this is an option we recommend without hesitation.

For intensive or occasional use

The Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount adapts to different levels of use in the Périphériques informatiques category. Whether you use it intensively every day or more occasionally, this Lenovo product offers appreciated versatility. Regular users value its reliability over time, while occasional users appreciate how easy it is to pick up without any special training. For even more demanding use, also check the Lenovo 4XD1C82055 speakerphone PC USB Type-C Black.

Against the competition

In the Périphériques informatiques market, the Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount is well positioned thanks to its price from £64.94 and the strength of Lenovo. Our comparison tool lets you verify in real time whether this positioning still holds against other available offers.

Market price ranges in 2026

Range	Indicative price	For whom	What you get
Entry-level	Under 2340 £	Tight budget, occasional use	Essential features, reliable for beginners
Mid-range	2340 £ to 5460 £	Regular daily use	Good value for money, solid performance
High-end	Over 5460 £	Demanding users	The best of the category, all advanced features

The best times to buy the Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount at a lower price are Black Friday in November, the January sales and the summer sales in July. Our price history lets you judge whether the current price is a genuine bargain or whether it is worth waiting a few weeks. Outside these periods, flash promotions remain frequent among Compiral's partner retailers.

Frequently asked questions about Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount

How does the Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount compare to competitors in the Périphériques informatiques category?

In the Périphériques informatiques category, the Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.

Is the Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount suitable for beginners?

Yes, the Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount is generally appreciated by both beginners and regular users of the Périphériques informatiques category. It is quick to set up and Lenovo usually provides clear documentation. If you are new to this product category, consult the spec sheet on this page to identify the key criteria to check before making your choice.

Is there a refurbished version of the Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount?

Refurbished versions of the Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.

When do prices for the Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount drop during the year?

Prices for the Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount typically drop during Black Friday (November), the January sales and the summer sales (July). Promotional deals are also common around Cyber Monday and the holiday season. Our price history lets you spot trends and assess whether a price drop is likely soon in the Périphériques informatiques category.

Is delivery free for the Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount at all retailers?

Free delivery is not guaranteed for the Ethernet to Serial Device ES-511 - RS232/RS422/485, 1 Port, Industrial Ethernet, -30 to +80Â°C, DIN Rail Mount at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.