Overview
IES7521-24PGE4GC-4BT-AC: 24-Port Gigabit Managed Industrial PoE++ Switch – 500W Budget, 90W per Port, L2+ & Static Routing
Features
High power PoE++port configuration and 500W ultra large PoE budget
This 24 port industrial PoE++switch adopts a unique port layering design to meet the power supply needs of different devices: 4 PoE++ports (IEEE 802.3bt) ports 1-4: Each port supports up to 90W output, perfectly compatible with high-end PTZ cameras, Wi Fi 6/6E access points, industrial tablets, and video intercom systems and other high-power terminals. 12 PoE+ports (IEEE 802.3at) ports 5-16: Each port provides 30W power and is widely compatible with high-definition IP cameras, VoIP phones, and 802.11ac wireless APs. 8 Gigabit non PoE ports 17-24: used to connect servers, workstations, or other non powered devices. 4 Gigabit Combo ports (RJ45/SFP): Provides flexible upstream options and can achieve long-distance transmission of up to 120 kilometers through fiber optic SFP modules, perfect for intelligent transportation systems (ITS) or campus backbone networks.

Massive 500W PoE++ Power Budget for High-Density Deployments
The IES7521-24PGE4GC-4BT-AC delivers an industry-leading 500-watt total PoE power budget, providing ample capacity for the most demanding industrial applications. This high-capacity power solution enables: Simultaneous powering of up to 24 PoE devices across all available ports, eliminating the need for multiple external power injectors or additional power supplies, Support for mixed device environments, combining high-power PoE++ devices with standard PoE+ and PoE devices on a single switch, Future-proof capacity for next-generation IoT devices with increasing power requirements
Extended Operating Temperature: -30°C to 75°C
The IES7521-24PGE4GC-4BT-AC is engineered for reliable performance in the world's most demanding environments, with a certified operating range of -30°C to 75°C. This wide temperature tolerance ensures uninterrupted operation where commercial-grade switches fail. Cold-Start Capability: The switch is designed to power up and operate immediately at -30°C without any warm-up period or performance degradation—critical for remote, unattended installations in cold climates. Sustained High-Temperature Operation: Advanced thermal management ensures all components remain within operating specifications even at 75°C ambient temperature, making it ideal for desert deployments, industrial foundries, and sun-exposed outdoor cabinets.

Flexible Dual-Media Uplink Architecture
The IES7521-24PGE4GC-4BT-AC features 4 Gigabit Combo ports, each offering the flexibility of two connectivity options in a single interface: One Port, Two Options: Each combo port automatically detects whether an RJ45 cable or SFP module is inserted, allowing administrators to choose the optimal media for each connection without sacrificing port density. Simplified Inventory: Standardize on a single switch model for diverse deployment scenarios—use copper for short runs, fiber for long distances, all in the same device.

Understanding ESD Protection: What ±8KV / ±15KV Means
The IES7521-24PGE4GC-4BT-AC features industry-leading electrostatic discharge (ESD) protection rated at ±8KV for contact discharge and ±15KV for air discharge, compliant with IEC 61000-4-2—the international standard for ESD immunity testing.

L2+ Management with Layer 3 Static Routing
The IES7521-24PGE4GC-4BT-AC delivers enterprise-grade L2+ management capabilities with the addition of Layer 3 static routing, making it ideal for complex industrial network architectures.
Comprehensive Access Control: IEEE 802.1X Port Authentication
The IES7521-24PGE4GC-4BT-AC implements IEEE 802.1X port-based authentication, ensuring only authorized devices can connect to the network, Industrial Application: In a smart grid substation, only authenticated engineering workstations can access control systems; all other devices are either blocked or relegated to monitoring-only VLANs.
Connectivity Solutions
24 port Gigabit Managed Industrial PoE++ switch with 4 Gigabit RJ45/SFP Uplink Connectivity Solution

24 port Gigabit Managed Industrial PoE++ switch with 4 Gigabit RJ45/SFP Uplink Ring Network Connectivity Solution

Specification
Technical Specifications :
IE7521-24PGE4GC-4BT-AC10M/100M/1G RJ45 copper ports :
24Gigabit R4J5 and SFP Combo :
4PoE / PoE+ ports :
20 (up to 30W per port)PoE / PoE+ / PoE++ / UPoE+ ports :
4 (up to 90W per port)Console Port (For config ) :
YesReset button :
YesPower over Ethernet :
*PoE Standard :
IEEE 802.3bt Power over Ethernet Plus Plus /PSE;Backward compatible IEEE 802.3at Power over Ethernet Plus/PSE; Backward compatible with IEEE 802.3af Power over EthernetPoE Power Supply Type :
End-span: 1/2/4/5 (+), 3/6/7/8 (-)PoE Power Output :
Per port 52V DC, 300mA. max. 15.4 watts (IEEE 802.3af); Per port 52V DC, 600mA. max. 30 watts (IEEE 802.3at) Per port 52V DC, 1800mA. max. 90 watts (IEEE 802.3at)PoE Power Budget :
470W (For PoE out)Performance Specification :
*Packet buffer memory :
8.2 MbForwarding modes :
Store-and-forwardBandwidth :
256 GbpsPacket forwarding rate :
47.62Mpps (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 - DHCP :
*L3 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 802.3af PoE • IEEE 802.3at PoE+ • 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 Spanning Tree (STP) • IEEE 802.1s Multiple Spanning Tree (MSTP) • IEEE 802.1w Rapid Spanning TManagement, 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 :
28Cable 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; PoE in different modePer device :
PowerPhysical Specifications :
*Dimensions (Width * Depth * Height) :
440 x 290 x 48 mm (17.32 x 11.42 x 1.89 in)Weight :
5.5 kg (12.12 lb)Shell protection :
P40 high-strength aluminum casePower Requirements :
AC 100~260V 50/60Hz, redundant power with reverse polarity protectionPower Consumption :
500W (when all ports used, line-rate traffic and max PoE)Max power :
22W (worst case, all ports used, full PoE, line-rate traffic) (Watts)Iddle power consumption :
12W (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 :
Smart 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 devices can the PoE++ and PoE+ ports power on this industrial managed switch?
A: IES7521-24PGE4GC-4BT-AC has a multifunctional PoE port configuration, All PoE ports are backward compatible with 802.3af/at devices, automatically detecting and delivering the required power level. With a massive 500W total PoE budget, the switch can simultaneously power multiple high-consumption devices without external injectors.
Q2: What is the operating temperature range of this 24-port gigabit managed industrial PoE++ switch?
A: The IES7521-24PGE4GC-4BT-AC is engineered for reliable performance in extreme environments with a certified operating temperature range of -30°C to 75°C.
Q3: What uplink options are available on this 24-port industrial PoE++ managed switch?
A: The switch features 4 Gigabit RJ45/SFP combo uplink ports, Copper (RJ45) 10/100/1000Base-T 100m short distance connection, rack to rack link, server connection, Fiber Optic Fiber (SFP) 1000Base SX/LX/ZX/EZX provides a 120 kilometer campus backbone network, inter building links, and remote site connections.
Q4: How does IES7521-24PGE4GC-4BT-AC enhance network security in industrial applications?
A: IES7521-24PGE4GC-4BT-AC implements a multi-layer security architecture, It supports advanced features like VLAN, access control lists (ACLs), and 802.1X authentication to safeguard data and restrict unauthorized access.
Q5: Does the IES7521-24PGE4GC-4BT-AC support redundant power inputs?
A: Yes. The IES7521-24PGE4GC-4BT-AC is engineered with dual redundant AC power inputs to ensure maximum network availability in mission-critical industrial applications.
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