Name: Predision HES20GMA-T-4SC 20-port Gigabit Full Layer 2 Industrial Managed Ethernet Switch
Brand: Predision
Price: 1702.00 USD
Availability: OutOfStock

account&orders

Home

Predision HES20GMA-T-4SC 20-port Gigabit Full Layer 2 Industrial Managed Ethernet Switch 1

Predision HES20GMA-T-4SC 20-port Gigabit Full Layer 2 Industrial Managed Ethernet Switch

Manufacturer Part Number: HES20GMA-T-4SC

Brand: Predision

$ 1702.00

16 × 10/100/1000BaseT(X) Copper Ports and 4 × 1000BaseX Ports (Multi-mode SC Connector)
Working Temperature -40°C to 75°C
Supports IGMP Snooping Filter Multicast Packets
Supports IEEE 802.1Q VLAN
Supports QoS(IEEE 802.1p/1Q) & TOS/DiffServ
Supports STP/RSTP/MSTP Networking Redundancy, and SNMPv1/v2/v3
Supports DuraRing™ Function
Supports Link Aggregation
Supports ACL Function
Supports Port Mirroring, Convenient for Online Debug
Supports Port Transmission Rate Limitation, broadcast/multicast/uncertain Unicast Storm Relieving
Supports Layer 3 Switching Function(Static route/Rip/OSPF/VRRP)
Supports Power, Port Abnormal Status Relay Output Alarm Function

See our Shipping Policy for delivery regions and fees

Backordered

More stock available: May 29, 2026 (UTC-4)

HES20GMA-T/HES20GMB-T series are full Gigabit industrial managed industrial Ethernet switches. The series adopts modular structure design, supports 4 Gigabit fiber ports and 16 Gigabit RJ-45 ports. This series supports port mirroring, VLAN, IGMP, QoS, STP/RSTP, ACL and other management, such as Console, Telnet, Web, SNMP, and relay alarm output. This series also supports layer 3 switching technology (static route/Rip/OSPF/VRRP), which provides safe and reliable solution for industrial automation, intelligent transportation, video monitoring, and other industrial application networking access.

Ethernet Interface

10/100/1000BaseT(X) Ports (RJ45 Connector)	16 Full/Half Duplex Mode; Auto MDI/MDI-X Adaptive; Auto Negotiation Speed
1000BaseX Ports	4 (Multi-mode SC Connector)
Standard	IEEE802.3, IEEE802.3u, IEEE802.3x, IEEE802.3z, IEEE802.3ab, IEEE802.1Q, IEEE802.1p,IEEE802.1D, IEEE802.1W, IEEE802.1s, IEEE802.3ad

Optical Fiber (1000M)

Mode	Multi-mode	Single-mode
Transmission Distance	2 Km	20 Km
Center Wavelength	1310 nm	1310 nm
TX Power	-6 ~ -1 dBm	-9 ~ -3 dBm
FX Power	≤-21 dBm	≤-23 dBm

Ethernet Software Features

Industrial Protocols	ARP, ICMP, TCP, HTTP, HTTPS, Telnet, STP/RSTP/MSTP, LLDP, IGMP, SNMPv1/v2c/v3,DHCP Server, NTP, Syslog
Layer 3 Technology	Static route, RIP V1/V2, OSPF, VRRP Supports Router Redundancy
Flow Control	IEEE802.3x Flow Control, Backpressure Flow Control

LED Interface

LED Indicators

P1, P2 Power, ALM Power Failure, Run and Network Indicator

Power Parameters

Input Voltage	12/24/48 VDC (10.8 ~ 52.8 VDC)
Power Consumption	Max. 625 mA @ 24 V
Reverse Polarity Protection	Supported
Overload Current Protection	Supported

Switching Performance

Forwarding Rate	1,488,095 pps
Transmission Mode	Store and Forward
MAC Table Size	16 K
Packet Buffer Size	12 Mb
Backplane Bandwidth	40 G
Max. frame Length	9216 B
Host Unicast Routing	512 (IPv4), 256 (IPv6)
Segment Unicast Routing	64 (IPv4/IPv6)

Physical Characteristics

IP Rating	IP40
Dimension (W x D x H)	70 x 120 x 150 mm
Weight	1600 g
Installation	DIN-Rail Mounted

Environmental Limits

Operating Temperature	-40℃ to 75℃
Storage Temperature	-40℃ to 85℃
Relative Humidity	0% ~ 95% (No Condensation)

Standards and Certifications

EMI	FCC Part15, CISPR (EN55022) Class A
EMS	EN61000-4-2 (ESD) Level 3, EN61000-4-3 (RS) Level 3, EN61000-4-4 (EFT) Level 3, EN61000-4-5 (Surge) Level 3, EN61000-4-6 (Radio Frequency Transmission) Level 3, EN61000-4-8 (Power Frequency Magnetic Field) Level 3
Vibration	IEC 60068-2-6
Shock	IEC 60068-2-27
Freefall	IEC 60068-2-32

Warranty

Warranty Period

5 Years

HES20GMB-T-4SC

Din-rail Layer 2+ Managed, 16 x 1000Mbps Copper Port, 4 x 1000Mbps Fiber Port, SFP Interface, Industrial Temperature -10 ~ 60 °C, Power Supply 10.8 ~ 52.8VDC

HES20GMA-T-4SC

Din-rail Layer 2+ Managed, 16 x 1000 Mbps Copper Port, 4 x 1000Mbps Fiber Port, Multi-mode 2km, SC Interface, Industrial Temperature -40 - 75 °C, Power Supply 10.8 - 52.8VDC

Manuals ： Predision_Managed_Ethernet_Switch_T-Series_User_Manual_EN.pdf

Datasheet ： Predision_Switch_HES20GMA-T-4SC_DS_EN.pdf

LineCard： Predision_Line_Card_Industrial_Ethernet.pdf