Next Working Day
On qualifying orders
UK Dispatched
Fast & reliable nationwide
Expert Support
Mon–Fri, 8 am – 6 pm
Genuine Brands
Authorised reseller
Next-working-day delivery. Order before 17:30 (England & Wales) or 16:00 (Northern Ireland, Republic of Ireland, Scotland) to receive next-working-day delivery. Orders placed before 17:30 Friday are delivered Monday; after 17:30 Friday arrive Tuesday. Upgrades — pre-9, pre-10:30, pre-noon, special and secure bulk — available at extra cost.
Orders over £100 (ex VAT) receive FREE next-working-day delivery across the UK.
Instant digital delivery. Software licences, subscriptions, warranties & insurance, and electronic copies are delivered the same day via email — provided a valid email address is entered at checkout.
This product is out of stock
We can email you when it's back in stock, confirm expected lead times, or recommend in-stock alternatives that meet the same requirements.

4-Port Serial Expansion Box
- An Ethernet-to-serial box ships with 4 bi-directional RS-232/422/485 serial ports
- Supports Power over Ethernet (PoE) or DC power supply
- Supports Modbus protocol - enables integration with Modbus devices, including TCP, RTU and its checksum data
- WebUI provides VK224 system information, including firmware upgrade
- An expansion solution for connecting more serial devices to ATEN Control System
- Supports Telnet CLI (command-line interface) mode for third-party system integration
- Flexible deployment via Ethernet connection
- Works with a connected ATEN controller with ID Switch through instant configuration
Overview
ATEN 4-Port Serial Expansion Box, Wired, 0 - 80%, 0 - 50 °C, 76 x 130 x 42 mm, 450 g, 5 pc(s)
Specifications
Network
- Connectivity technology
- Wired
Technical details
- Storage temperature (T-T)
- -20 - 60 °C
- Manual
- Yes
- Product colour
- Black
- Material
- Metal
- Package height
- 160 mm mm
- Package width
- 59 mm mm
- Package weight
- 710 g g
- Package depth
- 239 mm mm
- Master (outer) case height
- 175 mm mm
- Master (outer) case length
- 325 mm mm
- Master (outer) case width
- 250 mm mm
- Master (outer) case net weight
- 2.75 kg kg
Operational conditions
- Operating relative humidity (H-H)
- 0 - 80%
- Operating temperature (T-T)
- 0 - 50 °C
Weight & dimensions
- Dimensions (WxDxH)
- 76 x 130 x 42 mm
- Weight
- 450 g
Logistics data
- Products per master (outer) case
- 5 pc(s)
- Master (outer) case gross weight
- 3.89 kg
Ports & interfaces
- I/O ports
- 4 x RS-232/422/485, 1 x RJ-45, 1 x USB Type A

