1 relay output with current carrying capacity of 2 A @ 24 VDC

Reset button

RKS-G4028-L3-4GT models: 4

RKS-G4028-L3-4GS models: 4
RKS-G4028-L3-PoE-4GS models: 4

There are 3 module slots on the switch. Users can select different types of modules to insert into the switch. The modules that can be selected include 8-port/6-port modules with 10/100/1000BaseT(X), 10/100BaseT(X), 100/1000BaseSFP, or 100BaseFX (SC/ST connector) interfaces.

Refer to Expansion Modules in the Accessories section for a full list of supported interface modules.

IEEE 802.1D-2004 for Spanning Tree Protocol
IEEE 802.1p for Class of Service
IEEE 802.1Q for VLAN Tagging
IEEE 802.1s for Multiple Spanning Tree Protocol
IEEE 802.1w for Rapid Spanning Tree Protocol
IEEE 802.1X for authentication
IEEE 802.3 for 10BaseT
IEEE 802.3ab for 1000BaseT(X)
IEEE 802.3ad for Port Trunk with LACP
IEEE 802.3u for 100BaseT(X) and 100BaseFX
IEEE 802.3x for flow control
IEEE 802.3z for 1000BaseSX/LX/LHX/ZX

ARP
Back Pressure Flow Control
DHCP Relay Agent (Option 82)
Fiber check
Flow control
HTTP
HTTPS
IPv4
Linkup Delay
LLDP
Port Mirroring (SPAN, RSPAN)
Private MIB
RARP
RMON
SFTP
SMTP
SNMP Inform
SNMP Trap
SNMPv1/v2c/v3
Syslog
Telnet
TFTP

GMRP
GVRP
GARP
802.1Q
IGMP Snooping v1/v2/v3
IGMP Querier

Link Aggregation
MRP
MRP Interconnection
MSTP
Multiple Dual Homing
Multiple Network Coupling
Network Loop Protection
Ring Coupling
RSTP
STP
Tracking
Turbo Chain
Turbo Ring v2

VRRP

Access control list
Broadcast storm protection
DHCP Snooping
Dynamic ARP Inspection
HTTPS/SSL
IEEE 802.1AE MAC security
IP Source Guard
Login and password policy
MAC authentication bypass
RADIUS
Rate Limit
Secure boot
SSH
Static port lock
Sticky MAC
TACACS+
Trust access control

IEEE 1588v2 PTP (hardware-based)
NTP Authentication
NTP Server/Client
SNTP
Supported power profiles: IEEE 1588 Default 2008, IEC 61850-9-3-2016, IEEE C37.238-2017

802.1X
ARP
DNS
HTTP
HTTPS
ICMP
IPv4
NTP Client
QoS
RARP
RMON
SMTP
SNMPv1/v2c/v3
Syslog
TCP/IP
Telnet
TFTP
UDP
VLAN Assignment

EtherNet/IP
Modbus TCP
PROFINET

OSPF
Static Route

PIM-DM
PIM-SM
Multicast Local Route

IEEE8021-PAE-MIB
IEEE8021-SPANNING-TREE-MIB
IEEE8023-LAG-MIB
LLDP-EXT-DOT1-MIB
LLDP-EXT-DOT3-MIB
P-BRIDGE MIB
Q-BRIDGE MIB
RMON MIB Groups 1, 2, 3, 9
SNMPv2-MIB

1588 PTP Power Profile IEC 61850-9-3
1588 PTP Power Profile C37.238-2017
GOOSE Check
MMS

1024

9.216 KB

16 K

256

1.5 MB

8

VID 1 to 4094

USB Type A

microSD card

PWR1, PWR2, STATE, FAULT, MSTR/HEAD, CPLR/TAIL, SYNC, EPS

RS-232 (RJ45)

300 W

IEEE 802.3af: 15.4 W
IEEE 802.3at: 30 W
IEEE 802.3bt: 90 W

RKS-G4028-L3-LV models: 24/48 VDC
RKS-G4028-L3-2LV models: 24/48 VDC (redundant power supplies)
RKS-G4028-L3-HV models: 110/220 VAC, 110/220 VDC
RKS-G4028-L3-2HV models: 110/220 VAC, 110/220 VDC (redundant power supplies)
PoE models: 48 VDC (for the PoE system)

RKS-G4028-L3-LV/2LV models: 18 to 72 VDC
RKS-G4028-L3-HV/2HV models: 88 to 300 VDC, 85 to 264 VAC
PoE models: 46 to 57 VDC (for the PoE system)

Supported

Supported

RKS-G4028-LV/2LV models:
Max. 2.53 A @ 24 VDC
Max. 1.25 A @ 48 VDC

RKS-G4028-HV/2HV models:
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

RKS-G4028-L3-LV/2LV models:
Max. 60.72 W @ 24 VDC
Max. 60 W @ 48 VDC

RKS-G4028-HV/2HV models:
Max. 60.5 W @ 110 VDC
Max. 63.8 W @ 220 VDC
Max. 62.2 W @ 110 VAC
Max. 64.1 W @ 220 VAC

Note: These are the maximum power consumption ratings for the device with the maximum number of modules installed.

IP30

440 x 44 x 296 mm (17.32 x 1.37 x 11.65 in)

RKS-G4028-L3-LV/HV models: 4900 g (10.80 lb)
RKS-G4028-L3-2LV/2HV models: 5200 g (11.46 lb)
RKS-G4028-L3-PoE-LV/HV models: 5000 g (11.02 lb)
RKS-G4028-L3-PoE-2LV/2HV models: 5300 g (11.68 lb)

Rack mounting

-40 to 75°C (-40 to 167°F)

-40 to 85°C (-40 to 185°F)

5 to 95% (non-condensing)

EN 55032/35
EN 61000-6-2/-6-4

CISPR 32, FCC Part 15B Class A

IEC 61000-4-2 ESD: Contact: 8 kV; Air: 15 kV
IEC 61000-4-3 RS: 80 MHz to 1 GHz: 20 V/m
IEC 61000-4-4 EFT: Power: 4 kV; Signal: 4 kV
IEC 61000-4-5 Surge: Power: 4 kV; Signal: 4 kV
IEC 61000-4-6 CS: 10 V
IEC 61000-4-8 PFMF
IEC 61000-4-11 Voltage Dips & Interruptions

IEC 62443-4-2 Security Level 2

EN IEC 62368-1
IEC 60950-1
IEC 62368-1
UL 61010
UL 62368-1

IEC 61850-3
IEEE 1613

EN 50121-4

NEMA TS2

IEC 60068-2-27

IEC 60068-2-6

IEC 60068-2-32

RKS-G4028-L3-4GT-HV models: 572,888 hours
RKS-G4028-L3-4GT-2HV models: 518,894 hours
RKS-G4028-L3-4GS-HV models: 529,925 hours
RKS-G4028-L3-4GS-2HV models: 483,436 hours
RKS-G4028-L3-4GT-LV models: 548,589 hours
RKS-G4028-L3-4GT-2LV models: 479,574 hours
RKS-G4028-L3-4GS-LV models: 508,639 hours
RKS-G4028-L3-4GS-2LV models: 449,160 hours
RKS-G4028-L3-PoE-4GS-HV models: 508,190 hours
RKS-G4028-L3-PoE-4GS-2HV models: 465,282 hours
RKS-G4028-L3-PoE-4GS-LV models: 488,598 hours
RKS-G4028-L3-PoE-4GS-2LV models: 433,472 hours

Telcordia (Bellcore), GB

5 years

See www.moxa.com/jp/warranty