[shortdesc]

• Expansion module, Managed (inherits L2/L3), 4 × 100M/1G/2.5G (PoE/PoE+/4PPoE), IP30 rugged, fanless, DIN-rail, powered by base switch

[/shortdesc]

[properties]

Property	Details
Product Line	Cisco Catalyst IE3500 Expansion Module
Use Case	Port expansion for IE3500 series (industrial/harsh environments)
Management	Managed (Cisco IOS XE WebUI/CLI; optional Cisco Catalyst Center)
PoE Support	PoE/PoE+/4PPoE
Layer Support	Inherits Layer 2 & Layer 3 from base switch
Scalability	Expands total system ports up to 27 (with compatible base)
Operating System	Inherits Cisco IOS XE from base switch
Software Licence	Inherits from base switch
Form Factor	Ruggedized, fanless, DIN-rail module (IP30)
Default Power Supply	Powered by base switch

[/properties]

[specifications]

Specification	Details
Model Number	IEM-3500-4MU
Port Count	4 (4 × 100M/1G/2.5G)
Downlink Ports & Speeds	4 × 100M/1G/2.5G RJ45 (PoE/PoE+/4PPoE)
Uplink Ports & Speeds	—
PoE Power Budget	Provided by base switch
Switching Capacity	—
Forwarding Rate	Line-rate on all ports (all packet sizes)
Stacking Bandwidth	—
DRAM	8 GB
Flash Memory	5.1 GB
MAC Address Table Size	24,000 entries
VLAN Support	4096 VLAN IDs (up to 1024 active)
Power Requirements	Powered by base switch; module power consumption 20 W
Dimensions (H × W × D)	6.00 × 3.26 × 5.29 in (15.24 × 8.28 × 13.44 cm)
Weight	2.15 lb (0.98 kg)
MTBF	2,199,022 hours

[/specifications]

[accesories]

Cabling & connectors

Item	Details
Cat5e/Cat6/Cat6A RJ-45 patch cable	Data cable for 4× 2.5G mGig 4PPoE ports (RJ-45)

Power supplies (DIN-rail; select capacity per PoE/UPoE load)

Item	Details
PWR-IE65W-PC-AC= / PWR-IE65W-PC-DC=	65W PSU (PoE-capable)
PWR-IE170W-PC-AC= / PWR-IE170W-PC-DC=	170W PSU (PoE-capable)
PWR-IE240W-PCAC-L=	240W AC PSU (PoE-capable)
PWR-IE480W-PCAC-L=	480W AC PSU (PoE-capable)

[/accesories]

Cisco Catalyst IEM-3500-4MU Expansion Module

The Cisco Catalyst IEM-3500-4MU Expansion Module adds multi-gigabit PoE capability to IE3500 base switches for industrial and harsh environments. Providing 4 × 100M/1G/2.5G RJ45 downlinks with PoE/PoE+/4PPoE, it delivers reliable line-rate performance in a rugged, fanless IP30 DIN-rail form factor. The module is powered by the host switch (20 W module consumption) and inherits IOS XE features, licensing, and management for seamless integration—ideal for powering high-draw endpoints like PTZ cameras and next-gen access points while adding 2.5G bandwidth.

Key Features:

• 4 × 100M/1G/2.5G RJ45 with PoE/PoE+/4PPoE: Multi-gig PoE expansion for high-bandwidth, high-power devices; PoE budget supplied by the base switch.
• Ruggedized, Fanless Design (IP30): Built for space-constrained industrial sites with DIN-rail mounting.
• Seamless System Integration: Inherits Cisco IOS XE features and licensing from the base IE3500 switch.
• Simple Operations: Managed (Cisco IOS XE WebUI/CLI; optional Cisco Catalyst Center).
• Scalable Architecture: Helps expand total system ports up to 27 with compatible IE3500 bases.

Technical Overview:

• Recommended for: Multi-gig PoE port-density expansion on Cisco IE3500 deployments in industrial/harsh environments.
• Ports: 4 × 100M/1G/2.5G RJ45 downlinks (PoE/PoE+/4PPoE).
• PoE Budget: Provided by base switch.
• Switching Capacity: —
• Forwarding Rate: Line-rate on all ports (all packet sizes).
• Management: Managed (Cisco IOS XE WebUI/CLI; optional Cisco Catalyst Center).
• Security: Inherits features and license tier from the base IE3500 switch.
• Energy Efficiency: Fanless operation; powered by base switch (module consumption 20 W).