Input/Output Interface
Alarm Contact Channels: 1 relay output, 2 A @ 24 VDC
Buttons: Reset button
Ethernet Interface
10/100/1000BaseT(X) Ports (RJ45 connector):
RKS-G4028-4GT models: 4
RKS-G4028-L3-4GT models: 4
100/1000BaseSFP Slots:
RKS-G4028-4GS models: 4
RKS-G4028-L3-4GS models: 4
RKS-G4028-PoE-4GS models: 4
RKS-G4028-L3-PoE-4GS models: 4
Module Slots: 3 slots; supports 8-port/6-port modules for 10/100/1000BaseT(X), 10/100BaseT(X), 100/1000BaseSFP, or 100BaseFX interfaces (SC/ST connectors)
Standards
Networking: IEEE 802.1D-2004, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1s, IEEE 802.1w, IEEE 802.1X
Ethernet: IEEE 802.3, IEEE 802.3ab, IEEE 802.3ad, IEEE 802.3u, IEEE 802.3x, IEEE 802.3z
Ethernet Software Features
Management: IPv4/IPv6 (IPv6 available for L2 models), Flow Control, Back Pressure Flow Control, DHCP Server/Client (L2 only), ARP, RARP, LLDP, Linkup Delay, SMTP, SNMPv1/v2c/v3, RMON, TFTP, SFTP, HTTP/HTTPS, Telnet, Syslog, Private MIB, Fiber Check, Port Mirroring (SPAN, RSPAN), DHCP Relay Agent (Option 82)
Filter: GMRP, GVRP, GARP, 802.1Q, IGMP Snooping v1/v2/v3, IGMP Querier
Redundancy Protocols: STP, RSTP, Turbo Ring v2, Turbo Chain, Ring Coupling, MRP, Link Aggregation, Network Loop Protection, MSTP, L3: MRP Interconnection, Multiple Dual Homing, Multiple Network Coupling, Tracking
Routing Redundancy: L3: VRRP
Security: Broadcast Storm Protection, Rate Limit, ACL, Static Port Lock, Sticky MAC, HTTPS/SSL, SSH, RADIUS, TACACS+, Login/Password Policy, Secure Boot, MAC Authentication Bypass, Trust Access Control, Dynamic ARP Inspection, DHCP Snooping, IP Source Guard, L3: IEEE 802.1AE MAC Security
Time Management: SNTP, IEEE 1588v2 PTP (hardware-based, profiles: IEEE 1588 Default 2008, IEC 61850-9-3-2016, IEEE C37.238-2017), NTP Server/Client, NTP Authentication
Protocols: IPv4/IPv6 (IPv6 for L2 models only), TCP/IP, UDP, ICMP, ARP, RARP, TFTP, DNS, NTP Client, DHCP Server (L2 only), DHCP Client (L2 only), 802.1X, QoS, HTTPS, HTTP, Telnet, SMTP, SNMPv1/v2c/v3, RMON, Syslog, L3: VLAN Assignment
Industrial Protocols: EtherNet/IP, Modbus TCP, L3: PROFINET
Routing:
Unicast: L3: OSPF, Static Route
Multicast: L3: PIM-DM, PIM-SM, Multicast Local Route
Switch Properties
IGMP Groups: 1024
Jumbo Frame Size: 9.216 KB
MAC Table Size: 16 K
Max. No. of VLANs: 256
Packet Buffer Size: 1.5 MB
Priority Queues: 8
VLAN ID Range: VID 1 to 4094
USB and MicroSD Interface
USB Interface: USB Type-A storage port
MicroSD Interface: microSD card storage port
LED Indicators
Indicators: PWR1, PWR2, STATE, FAULT, MSTR/HEAD, CPLR/TAIL, SYNC, EPS
Serial Interface
Console Port: RS-232 (RJ45)
Power Parameters
PoE Power Budget: 300 W
Max. PoE Output per Port: IEEE 802.3af: 15.4 W, IEEE 802.3at: 30 W, IEEE 802.3bt: 90 W
Input Voltage:
RKS-G4028-LV: 24/48 VDC
RKS-G4028-2LV: 24/48 VDC (redundant power supplies)
RKS-G4028-HV: 110/220 VAC, 110/220 VDC
RKS-G4028-2HV: 110/220 VAC, 110/220 VDC (redundant power supplies)
PoE models: 48 VDC
Operating Voltage:
RKS-G4028-LV/2LV: 18 to 72 VDC
RKS-G4028-HV/2HV: 88 to 300 VDC, 85 to 264 VAC
PoE models: 46 to 57 VDC
Overload Current Protection: Supported
Reverse Polarity Protection: Supported
Input Current:
RKS-G4028-LV/2LV: Max. 2.53 A @ 24 VDC, Max. 1.25 A @ 48 VDC
RKS-G4028-HV/2HV: Max. 0.55 A @ 110 VDC, Max. 0.29 A @ 220 VDC, Max. 1.01 A @ 110 VAC, Max. 0.62 A @ 220 VAC
EPS (PoE models only): Max. 7.50 A @ 48 VDC
Power Consumption (Max.):
RKS-G4028-LV/2LV: Max. 60.72 W @ 24 VDC, Max. 60 W @ 48 VDC
RKS-G4028-HV/2HV: Max. 60.5 W @ 110 VDC, Max. 63.8 W @ 220 VDC, Max. 62.2 W @ 110 VAC, Max. 64.1 W @ 220 VAC
Physical Characteristics
IP Rating: IP30
Dimensions: 440 x 44 x 300 mm (17.32 x 1.37 x 11.81 in)
Weight:
RKS-G4028-LV/HV: 4900 g (10.80 lb)
RKS-G4028-2LV/2HV: 5200 g (11.46 lb)
RKS-G4028-PoE-LV/HV: 5000 g (11.02 lb)
RKS-G4028-PoE-2LV/2HV: 5300 g (11.68 lb)
Installation: Rack mounting
Environmental Limits
Operating Temperature: -40 to 75°C (-40 to 167°F)
Storage Temperature: -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity: 5 to 95% (non-condensing)
Standards and Certifications
Safety: EN IEC 62368-1, IEC 60950-1, IEC 62368-1, UL 61010, UL 62368-1
EMC: EN 55032/35, EN 61000-6-2/-6-4
EMI: CISPR 32, FCC Part 15B Class A
Traffic Control: NEMA TS2
EMS: IEC 61000-4-2 ESD (8 kV Contact, 15 kV Air), IEC 61000-4-3 RS (35 V/m), IEC 61000-4-4 EFT (4 kV), IEC 61000-4-5 Surge (4 kV), IEC 61000-4-6 CS (10 V), IEC 61000-4-8 PFMF, IEC 61000-4-11 Voltage Dips/Interruptions
Power Substation: IEC 61850-3, IEEE 1613
Railway: EN 50121-4
Industrial Cybersecurity: IEC 62443-4-1, IEC 62443-4-2
MTBF
Time (Hours):
Models range from 433,472 hrs to 572,888 hrs depending on configuration
Standards: Telcordia (Bellcore), GB
Warranty
Warranty Period: 5 years
Details: See www.moxa.com/warranty
