Supports VLAN and PVLAN.
Supports GVRP
Supports port aggregation and LACP.
Supports flow control.
Supports broadcast storm suppression.
Supports QinQ.
Supports MAC address management.

Supports DHP and DRP and the recovery time<20 ms.
Supports DT-Ring, DT-Ring+, and DT-VLAN and the recovery time<50 ms.
Supports STP/RSTP/MSTP.
Supports MRP.

Supports IGMP v1/v2/v3.
Supports GMRP.
Supports static multicast.

Support IPv6.
Supports static routing.
Supports RIP v1/v2.
Supports OSFP v2.
Supports VRRP.
Supports PIM SM, PIM DM.

Supports IEEE 802.1x.
Supports HTTPS/SSL.
Supports SSH.
Supports SFTP client.
Supports RADIUS.
Supports TACACS+.
Supports user grading.
Supports MAC address binding.
Supports port isolate.
Supports security IP for Web/Telnet/SSH/SNMP service.
Supports IEC62443-4-2.

Supports ACL.
Supports 802.1p(CoS), DSCP.
Supports priority mapping.
Supports SP and WRR queuing.

Supports Console, Telnet, and Web（HTTP or HTTPs） management methods.
Supports SNMPv1/v2c/v3 and can managed by Kyvision.
Supports IEC61850 MMS management.
Supports TFTP server/client.
Supports FTP server/client.
Supports file transfer and software update over FTP and TFTP.
Supports the IP/MAC address conflict alarm, power failure alarm, power alarm, temperature alarm, port linkdown alarm, port traffic alarm, CRC and packet lose alarm, CPU alarm, memory alarm, Sfp port rx power alarm, transceiver alarm and ring alarm.
Supports Profinet, ModbusTCP, Ethernet/IP.
Supports port mirroring.
Supports DDM.
Supports loop detection
Supports CRC protection
Supports Syslog.
Supports RMON
Supports LLDP.
Supports Link-check.

Supports Bootp.
Supports DHCP server/client.
Supports Up to 16 different IP addresses and VLAN for system management.

Supports PTPv2 (IEEE1588-2008).
Supports Power profile (C37.238).
Supports NTP and SNTP.

IEEE 802.3i (10Base-T)
IEEE 802.3u (100Base-T)
IEEE 802.3ab (1000Base-T)
IEEE 802.3ad (port aggregation)
IEEE 802.3z (1000Base-SX/LX)
IEEE 802.3x (flow control)
IEEE 802.1p (priority)
IEEE 802.1Q (VLAN)
IEEE 802.1w (RSTP)
IEEE 802.1s (MSTP)
IEEE1588-2008 (PTPv2)

Priority queue: 8
Number of VLANs: 4K
VLAN ID: 1–4093
Number of multicast groups: 1024
Routing table: 8K (L2 chassis do not involve)
MAC table: 32K
Packet buffer: 48Mbit
Switching delay: < 10 μs
Jumbo Frame Size: 10 KB

Gigabit ports:
1000Base-X, SFP port, supports DDM
10/100/1000Base-T(X), RJ45 port
Fast Ethernet ports:
100Base-FX, single/multi mode, SC/ST connector
100Base-FX, SFP port(LC connector), supports DDM
10/100Base-T(X), RJ45 port
Console port: RJ45
Alarm contact: 3-pin 5.08mm-spacing plug-in terminal block, 250 VAC/220 VDC Max, 2 A Max,
10A@1s, 60 W Max

LED on front panel
Alarm LED: Alarm
Running LED: Run
Ring Role LED: Ring
KyACB LED: USB
Synchronization finish LED: Lock
Power LED: PWR1, PWR2
Port speed LED: Speed
Port LED: Link/ACT
LED on rear panel
Port LED: Link/ACT
Port speed LED: Speed

Power input:
24-48VDC (18-72 VDC)
100-240VAC,50/60Hz;110-220VDC (85-264VAC/77-300VDC)

Power terminal: 5-pin 5.08 mm-spacing plug-in terminal block

Power consumption: < 40 W

Overload protection: Support
Reverse connection protection: Support
Redundancy protection: Support
Hot Swappable: Support

Housing: Metal
Cooling: Natural cooling, fanless
Protection Class: IP40
Dimensions(W×H×D)： 482.6 mm × 44 mm × 359.7 mm
Weight: < 10 Kg
Mounting: 19 inch 1U rack mounting

Operating temperature: -40°C to +85°C
Storage temperature: -40°C to +85°C
Ambient Relative Humidity: 5% to 95% (non-condensing)

MTBF:
359000h (SICOM3028GPT-L2GT)
368000h (SICOM3028GPT-L3GT)
Warranty: 5 years

KEMA,CE
IEC 62368-1, EN 62368-1
IEC 62439-3

EMI
FCC CFR47 Part 15, EN55022/CISPR22, Class A
EMS
IEC61000-4-2(ESD) ±8 kV (contact), ±15 kV(air)
IEC61000-4-3(RS) 10 V/m (80 MHz-2 GHz)
IEC61000-4-4(EFT) Power Port: ±4 kV; Data Port: ±2 kV
IEC61000-4-5(Surge) Power Port: ±2 kV/DM, ±4 kV/CM; Data Port: ±2 kV
IEC61000-4-6(CS) 3 V (10 kHz-150 kHz); 10 V (150 kHz-80 MHz)
IEC61000-4-8 (power frequency magnetic field) 100 A/m(cont.), 1000 A/m(1s-3s)
IEC61000-4-9 (pulsed magnetic field) 1000 A/m
IEC61000-4-10 (damped oscillation) 100 A/m
IEC61000-4-12 (oscillatory wave) 2.5 kV/CM, 1 kV/DM
IEC61000-4-16 (common mode conduction) 30 V(cont.), 300 V(1s)
Machinery
IEC60068-2-6 (vibration)
IEC60068-2-27 (shock)
IEC60068-2-32 (free fall)
Climatic environmental
IEC60068-2-1 Cold test
IEC60068-2-2 Dry heat test
IEC60068-2-14 Change of temperature test
IEC60068-2-30 Damp heat cyclic test
IEC60068-2-78 Damp heat steady state test