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48+4G ports Layer 2 managed rack mountable modular switch
Product Overview

SICOM3048 is a layer 2 managed industrial Ethernet switch designed to operate reliably in industrial environments. SICOM3048 supports up to 4 gigabit SFP ports, 24 fast Ethernet RJ45 ports and 24 fast Ethernet fiber/copper ports, meets the IEC61850 and IEEE1613 standards. SICOM3048 is a 19-inch 2U rack mountable device and allows front and rear panel mounting. It supports many Layer 2 software features such as port, VLAN, multicast, QoS, fast redundant ring. It supports Console, Telnet, Web management and network management software based on SNMP. At present, the product is widely used in the power industry, railway industry, intelligent transportation industry and automatic control field.

Key Features

supports max 4 gigabit SFP ports, 24 fast Ethernet RJ45 ports and 24 fast Ethernet fiber/copper ports
Modular design for easy expansion
Supports DT-Ring , RSTP for network redundancy
Allows front and rear panel mounting
Complies with IEC61850-3 and IEEE1613
CE certification

Software functions
Switching function Supports VLAN and PVLAN.
Supports port aggregation.
Supports flow control.
Support port rate limit.
Supports broadcast storm suppression.
Redundancy protocol Supports DT-Ring, DT-Ring+, and DT-VLAN and the recovery time<50 ms.
Supports STP/RSTP
Multicast protocol Supports IGMP snooping.
Supports GMRP.
Supports static multicast.
Service quality management Supports ACL
Supports SP and WRR queuing.
Management and maintenance Supports Console, Telnet, and Web management methods.
Supports SNMPv1/v2c and can managed by Kyvision.
Supports software update and configuration import/export over FTP.
Supports the IP/MAC address conflict alarm, power failure alarm, port alarm, and ring alarm
Supports RMON.
Supports port mirroring.
Supports LLDP.
Supports Link-check.
Clock management Supports SNTP server/client.
Product Specifications
Technical specifications Standard
IEEE 802.3i(10Base-T)
IEEE 802.3u(100Base-TX and 100Base-FX)
IEEE 802.3ab(1000Base-T)
IEEE 802.3z(1000Base-SX/LX)
IEEE 802.3x(flow control)
IEEE 802.1p(priority)
IEEE 802.1w(RSTP)
Switch properties Priority queue 4
Number of VLANs 256
VLAN ID 1~4093
Number of multicast groups 256
MAC table 8K
Packet buffer 3Mbit
Packet forwarding rate 13.1Mpps
Switching delay <10μs
Interface Gigabit ports 1000Base-X, SFP port
Fast Ethernet ports 100Base-FX, single/multi mode, SC/ST/FC connector
10/100Base-T(X), RJ45 port
Console port RS232,RJ45
Number of slots 4
LED LED on front panel Running LED: Run
Port LED: Link/ACT, LINK
Port speed LED: 10M/100M
Duplex LED: DPX
LED on rear panel Port LED: Link/ACT
Port speed LED: Speed
Power Requirements Power input 24VDC(18-36VDC)
Power terminal 3-pin 3.81 mm-spacing plug-in terminal block (24DC,48DC)
3-pin 9.5mm-spacing terminal block (220AC/DC)
Power consumption <36.2W
Overload protection Support
Reverse connection protection Support
Redundancy protection Not support
Physical Characteristics Housing Metal
Cooling Natural cooling, fanless
Protection Class IP40
(WxHxD) 482.6mm×44mm×245mm (19×3.46×9.64 in.)
Weight <5Kg (11.02 pound)
Mounting 19 inch 2U rack mounting
Environmental limits Operating temperature -40C to +85C (-40°F to 185°F)
Storage temperature -40C to +85C (-40°F to 185°F)
Ambient Relative Humidity 5% to 95% (non-condensing)
Quality assurance MTBF 371000h
Warranty 5 years
Approvals CE: Models with power supply of L3:24VDC
Industry standard EMI FCC CFR47 Part 15,EN55022/CISPR22,Class A
EMS IEC61000-4-2(ESD) ±8kV(contact),±15kV(air)
IEC61000-4-3(RS) 10V/m(80MHz-2GHz)
IEC61000-4-4(EFT) Power Port:±4kV;Data Port:±2kV
IEC61000-4-5(Surge) Power Port:±2kV/DM,±4kV/CM;Data Port:±2kV
IEC61000-4-6(CS) 3V(10kHz-150kHz);10V(150kHz-80MHz)
IEC61000-4-8(power frequency magnetic field) 100A/m(cont.),1000A/m(1s-3s)
IEC61000-4-9(pulsed magnetic field) 1000A/m
IEC61000-4-10(damped oscillation) 100A/m
IEC61000-4-12(oscillatory wave) 2.5kV/CM,1kV/DM
IEC61000-4-16(common mode conduction) 30V(cont.),300V(1s)
Machinery IEC60068-2-6 (vibration), IEC60068-2-27 (shock), IEC60068-2-32 (free fall)
Mechanical Drawing

Ordering Information

Recommended model

Product Model


Code definition

Code selection


4GX24T=4x1000Base-X SFP port;24x10/100Base-T(X) RJ45 port

24T=24x10/100Base-T(X) RJ45 port

PS: power input

H1= 100-240VAC,50/60Hz;220VDC(85-264VAC/120-300VDC)






6S=6x100Base-FX single-mode fiber port

6M=6x100Base-FX multi-mode fiber port

4S2T=4x100Base-FX single-mode fiber port;2x10/100Base-T(X) RJ45 port

4M2T=4x100Base-FX multi-mode fiber port;2x10/100Base-T(X) RJ45 port

2S4T=2x100Base-FX single-mode fiber port;4x10/100Base-T(X) RJ45 port

2M4T=2x100Base-FX multi-mode fiber port;4x10/100Base-T(X) RJ45 port

6T=6x10/100Base-T(X) RJ45 port

Connector:100M fiber port specifications

SC05=SC connector, multi-mode, 1310nm, 5km

ST05=ST connector, multi-mode, 1310nm, 5km

FC05=FC connector, multi-mode, 1310nm, 5km

SC40=SC connector, single-mode, 1310nm, 40km

ST40=ST connector, single-mode, 1310nm, 40km

FC40=FC connector, single-mode, 1310nm, 40km

SC60=SC connector, single-mode, 1310nm, 60km

SC80=SC connector, single-mode, 1550nm, 80km



Accessory Model


Gigabit SFP module

See the selection table of industrial gigabit SFP module.


Single-port RJ45 dust plug