Overview
IES7521-16GE4GC-AC | 16 Port Gigabit Managed Industrial Switch with 4 Combo Uplinks | Rack Mount, Dual AC Power, -40°C~85°C | OEM/ODM
Features
Advanced L2/L3 Management – Core-Grade Traffic Control for Industrial Backbone Networks
The IES7521-16GE4GC-AC delivers enterprise-grade Layer 2 and Layer 3 management capabilities tailored for high-density core and aggregation deployments. Unlike edge switches that simply forward traffic, this 16-port rack-mount switch provides the intelligent traffic control, network segmentation, and gateway redundancy required for factory control centers, campus backbones, and large-scale surveillance hubs—all without the complexity and cost of separate routing hardware.
16-Port Gigabit Architecture – Non-Blocking Backbone for High-Density Industrial Networks
The IES7521-16GE4GC-AC delivers true wire-speed Gigabit performance across all 16 ports and 4 combo uplinks simultaneously , engineered specifically for core and aggregation layer deployments where bandwidth bottlenecks cannot be tolerated. Unlike edge switches that may oversubscribe uplinks, this rack-mount switch provides dedicated Gigabit capacity to every connected device while offering 4Gbps of uplink flexibility for seamless integration with campus backbones and fiber infrastructures.
ERPS Ring Technology – Sub-50ms Core Network Recovery for Mission-Critical Infrastructure
The IES7521-16GE4GC-AC integrates Ethernet Ring Protection Switching (ERPS) compliant with ITU‑T G.8032, delivering carrier‑grade resilience for high‑density core and aggregation networks. In industrial backbones where a single fiber cut or switch failure can halt an entire production line or disrupt essential services, ERPS ensures automatic failover in under 50 milliseconds – fast enough that real‑time applications like SCADA, robotic control, and video surveillance never perceive an interruption.
Rugged Industrial-Grade Build – IP40 Enclosure & -40°C to 85°C Operation for Core Network Reliability
The IES7521-16GE4GC-AC is engineered to thrive where commercial-grade switches fail, featuring a rugged IP40-rated metal enclosure and extended temperature range of -40°C to 85°C . As a 16-port rack-mount core switch, it faces unique environmental challenges that demand industrial-grade hardening—from unheated control rooms to semi-outdated factory enclosures. This switch delivers uncompromising reliability in the very environments where your core network must never fail.
±8KV ESD Protection – Industrial-Grade Surge Immunity for Core Network Reliability
The IES7521-16GE4GC-AC is engineered with enterprise-grade electrostatic discharge (ESD) protection, rated at ±8KV for contact discharge and ±15KV for air discharge across all 16 Gigabit ports and 4 combo uplink interfaces. This industrial-hardened protection meets the IEC 61000-4-2 Level 4 standard, ensuring your core network backbone remains operational in environments where static electricity, electrical noise, and voltage spikes would destroy ordinary commercial switches.
19-Inch Rack-Mount Design – Professional-Grade Installation for Control Rooms & Data Centers
The IES7521-16GE4GC-AC features a standard 19-inch rack-mountable form factor, compliant with EIA-310-D specifications, purpose-built for centralized deployment in industrial control rooms, data centers, and network operations centers (NOCs) . Unlike DIN-rail models designed for field installation, this 1U rack-mount design delivers space efficiency, professional cable management, and long-term mechanical stability—essential for core network infrastructure that must remain operational for decades.
Dual AC Power Inputs (100-260V) – Universal Voltage & True Redundancy for Core Infrastructure
The IES7521-16GE4GC-AC is engineered for global deployment and mission-critical reliability, featuring dual AC power inputs with a wide voltage range of 100-260VAC. Unlike industrial switches that require external DC power supplies or are limited to specific regional voltages, this rack-mount core switch connects directly to your facility's power distribution—whether you're operating in North America (110V), Europe (230V), or Asia (220V) . With automatic failover between the two inputs, the IES7521 eliminates power supply as a single point of failure, ensuring 24/7/365 operation in control rooms, data centers, and industrial facilities worldwide.
Connectivity Solutions
Layer 2 Managed 16 Port Industrial Switch 4 Gigabit SFP Uplink Ring Network Connectivity Solution

Layer 2 Managed 16 Port Industrial Switch 4 Gigabit SFP Uplink Connectivity Solution

Specification
Technical Specifications :
IE7521-16GE4GC-DC10M/100M/1G RJ45 copper ports :
16Gigabit R4J5 and SFP Combo :
4Console Port (For config ) :
YesReset button :
YesPerformance Specification :
*Packet buffer memory :
8.1 MbForwarding modes :
Store-and-forwardBandwidth :
128 GbpsPacket forwarding rate :
35.72Mpps (64 byte packet size)MAC address database size :
8K (48-bit MAC ad-dresses)Jumbo frame support :
9KL2 Services - VLANs :
*IEEE 802.1Q VLAN tagging :
YesQinQ VLAN tagging :
YesIP-based VLANs :
YesMAC-based VLANs :
YesProtocol-based VLAN :
YesVoice VLAN :
YesVLAN mapping :
YesL2 Services - Availability :
*Storm control :
Yes (Broadcast, multicast, unknown unicast)IEEE 802.3ad - LAGs (LACP) :
YesIEEE 802.3x :
YesRing (ERPS,complies with G.8032) :
Yes, Recovery time < 50msIEEE 802.1D Spanning Tree Protocol :
YesIEEE 802.1w Rapid Spanning Tree Protocol :
YesIEEE 802.1s Multiple Spanning Tree Protocol :
YesLayer 2 DHCP Relay :
YesL2 Services - Multicast Filtering :
YesIGMP snooping (v1, v2 and v3) :
YesMLD snooping support (v1 and v2) :
YesIGMP snooping querier (v2) :
YesMLD snooping querier (v1) :
YesMulticast VLAN Registration (MVR) :
YesL3 Services - Routing :
*IPv4 static routing :
100IPv6 static routing :
100Link Aggregation :
*Manual LAG :
Yes# of LAGs / # of members in each LAG :
8 LAGs with max 8 members in each LAGNetwork Monitoring and Discovery Services :
*802.1ab LLDP :
YesSNMP :
v1, v2c, v3RMON group 1,2,3,9 :
YesNetwork Security :
YesIEEE 802.1x :
YesRADIUS accounting :
YesAccess Control Lists (ACLs) :
YesIP-based ACLs (IPv4 and IPv6) :
L2 / L3 / L4MAC-based ACLs :
YesTCP/UDP-based ACLs :
YesControl MAC # static entries :
48Port-based security by locked MAC addresses :
YesDynamic ARP inspection :
YesDoS protection :
YesDoS attacks prevention :
YesNetwork storm protection, DoS :
YesQuality of Service (QoS) :
*Port-based rate limiting :
Yes ingress and egressPort-based QoS :
YesSupport for IPv6 fields :
YesDiffServ QoS :
Yes ingressIEEE 802.1p COS :
YesDestination MAC and IP :
YesIPv4 and v6 DSCP :
YesTCP/UDP-based :
YesWeighted Round Robin (WRR) :
YesStrict priority queue technology :
YesIEEE Network Protocols :
*Protocols :
• IEEE 802.3 Ethernet • IEEE 802.3u 100BASE-T • IEEE 802.3ab 1000BASE-T • IEEE 802.3az Energy Efficient Ethernet (EEE) • IEEE 802.3ad Trunking (LACP) • IEEE 802.3z Gigabit Ethernet 1000BASE-SX/LXProtocols 2 :
• IEEE 802.3x Full-Duplex Flow Control • IEEE 802.1Q VLAN Tagging • IEEE 802.1AB LLDP with ANSI/TIA-1057 (LLDP-MED) • IEEE 802.1p Class of Service • IEEE 802.1D (STP) • IEEE 802.1s (MSTP) • IEEE 802.1w (RSTP) • IEEE 802.1w (RSTP) • ITU-TG.8032 (ERPS)Management, Monitoring & Troubleshooting :
*Password management :
YesAccess control via RADIUS and TACACS+ :
YesIPv6 management :
YesSNMP v1/v2c/v3 :
YesPort mirroring :
Yes ingress and egressMany-to-one port mirroring :
20Cable test utility :
YesTLS/HTTPS Web-based access (version) :
Yes (v1.2)File transfers (uploads, downloads) :
TFTP / HTTPHTTP upload/download (firmware) :
YesSyslog (RFC 3164) :
YesLEDs :
YesPer port :
Speed, Link, Activity;Per device :
PowerPhysical Specifications :
*Dimensions (Width * Depth * Height) :
440 x 290 x 48 mm (17.32 x 11.42 x 1.89 in)Weight :
4.5 kg (9.92 lb)Shell protection :
P40 high-strength aluminum casePower Requirements :
AC 100~260V 50/60Hz redundant powerPower Consumption :
*Max power :
19W (worst case, all ports used, line-rate traffic) (Watts)Iddle power consumption :
13W (all ports link-down standby) (Watts)Energy Efficient Ethernet (EEE) :
Yes (deactivated by default)Fan :
FanlessEnvironmental Specifications :
*Operating Temperature :
-40° to 85°C (-40° to 185°F)Operating Humidity :
95% maximum relative humidity (RH), non-condensingOperating Altitude :
10,000 ft (3,000 m) maximumStorage Temperature :
-40° to 85°C (-40° to 185°F)Storage Humidity (relative) :
95% maximum relative humidity, non-condensingStorage Altitude :
10,000 ft (3,000 m) maximumExecutive Standard & Protection :
*Lightning Protection :
*IEC61000-4-3 (RS) :
10V/m (80~1000MHz)FCC Part 15/CISPR22 (EN55022) :
Class BIEC61000-6-2 :
Common Industrial StandardIEC61000-4-9 (Pulsed magnet field) :
1000A/mIEC61000-4-10 (Damped oscillation) :
30A/m, 1MHzIEC61000-4-12/18 (Shockwave) :
CM 2.5kV, DM 1kVIEC61000-4-4(EFT) :
Power cable:±4kV, Data cable: ±2kVIEC61000-4-16(Common-mode transmission) :
30V, 300V, 1sIEC61000-4-2 (ESD) :
±8kV contact discharge, ±15kV air dischargeIEC61000-4-6 (Radio frequency transmission) :
10V(150kHz~80MHz)IEC61000-4-8 :
100A/m, 1000A/m, 1s-3sIEC61000-4-5 (Surge): Power cable :
CM±4kV/ DM±2kV, Data cable: ±4kVMechanical Properties :
*IEC60068-2-6 :
Anti VibrationIEC60068-2-32 :
Free FallIEC60068-2-27 :
Anti ShockElectromagnetic Emissions and Immunity :
*Certifications :
CE mark, commercial; FCC Part 15 Class A, VCCI Class A; Class A EN 55022 (CISPR 22) Class A; Class A C-Tick; EN 55024; CCC; 47 CFR FCC Part 15, SubpartB, Class A ICES-003: 2016 Issue 6, Class A; ANSI C63.4:2014; IEC 60950-1:2005 (ed.2)+A1:2009+A2:2013Safety :
*Safety Certifications :
CB mark, commercial; CSA certified (CSA 22.2 #950); UL listed (UL 1950)/cUL IEC 950/EN 60950; EN 60950-1: 2006 + A11:2009 + A1:2010 + A12:2011 + A2:2013 IEC 60950-1:2005 ;(ed.2)+A1:2009+A2:2013; AN/NZS 60950.1:2015; CCC (China Compulsory Certificate)Warranty and Support :
*Hardware Limited Warranty :
Limited Lifetime*Technical Support via Phone and Email* :
Limited Lifetime*24x7 Online Chat Technical Support :
Limited Lifetime*Package Contents :
*All models :
Industrial Switch ; Brackets and screws for DIN-Rail mounting, which are already installed in the switch; Rubber protection caps, which are already installed in the SFP sockets Installation guideBusiness Type :
IndustrialBandridth :
1GMore Filters :
L2+ Managed
Questions & Answers
Q1: What is the purpose of the 4 RJ45/SFP combo uplink ports on the IES7521-16GE4GC-AC industrial switch?
A1: Flexible High-Speed Connectivity – Copper for Local Links, Fiber for Long-Distance Backhaul.
Q2: How does ERPS Ring technology improve network reliability in industrial environments?
A2: Sub-50ms Failover for Mission-Critical Networks – 40x Faster Than STP/RSTP.
Q3: Can the IES7521-16GE4GC-AC withstand harsh industrial conditions like factories, substations, or outdoor control rooms?
A3: Yes – Industrial-Grade Hardening: IP40 Enclosure, -40°C to 85°C Operation & 8KV ESD Protection.
Q4: What management capabilities does the 16-port gigabit managed Ethernet switch offer for industrial & enterprise networks?
A4: This 16-port gigabit Ethernet switch delivers robust Layer 2 & Layer 3 managed features designed for industrial automation, enterprise networking, and OEM/ODM custom solutions.
Q5: What power redundancy options does this industrial gigabit switch support for reliable operation?
A5: This industrial managed gigabit switch is equipped with dual AC power input redundancy (100–260V AC) to ensure mission-critical network continuity.
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