Express Systems will be having an EARLY Closing Thursday, April 17, 2025, and CLOSED Friday, April 18, 2025, in observance of the Easter Holiday. We will resume regular business hours Monday, April 21st, 2025, at 9:00am EST. Wishing Everyone a Happy & Safe Holiday Weekend!
28G-port (with 802.3bt PoE option) full Gigabit modular managed Ethernet switches & Ethernet modules for RKS-G4028 modular managed switches
The RKS-G4028 Series is designed to meet the rigorous demands of mission-critical applications for industry and business, such as power substation automation systems (IEC 61850-3, IEEE 1613), railway applications (EN 50121-4), and factory automation systems. The RKS-G4028 Series’ Gigabit and Fast Ethernet backbone, redundant ring, and 24 VDC, 48 VDC, or 110/220 VDC/VAC dual isolated redundant power supplies increase the reliability of your communications and save on wiring costs.
The modular design of the RKS-G4028 Series also makes network planning easy, and allows greater flexibility by letting you install up to 28 Gigabit ports with various connector types.