Router ISR G2 SM ISM Modules
Optimize your network infrastructure with Router ISR G2 SM ISM Modules engineered for superior security, exceptional performance, and scalable efficiency to elevate critical business communications.
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8 Matching results
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SM-ES2-16-P (Enhanced EtherSwitch Service Module, L2, SM, 15 FE, 1 GE, POE)
4.6 (5)- 8W
- NIM
- SFP+
- 7.0 inches
- 1.2 lbs
- 10G
- 0 to 70°C
Est Value$2,218.00
$877.00
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- BEST SELLING

SM-SRE-700-K9 (Cisco Service-Ready Mondule (SRE), Voicemail, wilreless controller, AXP, Intel Processor, Software controller, 500G hard disk, 4G memory)
4.6 (5)- N/A
- N/A
- N/A
- N/A
- N/A
- N/A
- SFP+
Est Value$2,300.00
$1,865.00
18.9% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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- BEST SELLING

SM-SRE-900-K9 (Cisco Service-Ready Mondule (SRE), mailbox, wilreless controller, AXP, Core Due, Software controller, 500G hard disk, 4G memory, RAID 0/1)
4.6 (5)- N/A
- N/A
- N/A
- N/A
- 5W
- N/A
- SFP+
Est Value$3,900.00
$2,347.00
39.8% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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SM-NM-ADPTR (Network Module Adapter for SM Slot on Cisco 2900, 3900 ISR)
4.8 (5)- 1.0 inches
- 5W
- N/A
- 0.8 lbs
- 10G
- 0 to 70°C
- -40 to 85°C
Est Value$1,100.00
$517.00
53% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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SM-ES3G-16-P (Enhcd EtherSwitch Service Module, L2/L3 switching, 16* 10/100/1000 GE ports, Enhanced POE, Cisco EnergyWise technology)
4.6 (5)- N/A
- N/A
- N/A
- N/A
- N/A
- N/A
- 1Gbps
Est Value$4,095.00
$987.00
75.9% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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SM-ES3-16-P (Enhcd EtherSwitch Service Module, L2/L3 Switching, 15 * 10/100 FE ports, 1 * 10/100/1000 GE ports, Enhanced POE, Cisco EnergyWise technology)
4.6 (5)- 1.5 inches
- 8W
- N/A
- 7.0 inches
- 1Gbps
- RJ-45
- 0.8 lbs
Est Value$3,500.00
$1,200.00
65.7% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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SM-ES3G-24-P (Enhcd EtherSwitch Service Module, L2/L3 switching, 24 * 10/100/1000 GE ports, Enhanced POE, Cisco EnergyWise technology)
4.6 (5)- N/A
- N/A
- N/A
- N/A
- 5W
- N/A
- 1Gbps
Est Value$5,510.00
$1,916.00
65.2% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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ISM-SRE-300-K9 (Cisco 1900 Engine Module ISM-SRE-300-K9)
4.6 (5)- N/A
- N/A
- N/A
- N/A
- N/A
- N/A
- Modular
Est Value$1,000.00
$34.00
96.6% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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Questions & Answers
What are Cisco Router ISR G2 SM ISM Modules?
Cisco Router ISR G2 SM ISM Modules are plug-in service modules (SM) and integrated service modules (ISM) designed to extend WAN, LAN, security, and voice functionality on Cisco 1900, 2900, and 3900 Series ISR Generation 2 platforms.
Which SM ISM Modules are compatible with Cisco ISR G2 Routers?
Compatible modules include Cisco SM-ES2-2, SM-X-1GE-SFP, SM-4T, SM-X-8A/S, ISM-2FXS/2FXO, and ISM-2WIC-PWR for ISR 1900, 2900, and 3900 Series Generation 2 platforms.
How do SM modules differ from ISM modules on ISR G2 Routers?
SM modules are hot-swappable WAN/LAN service modules that fit into dedicated SM slots; ISM modules integrate services like voice, PSTN, or PoE directly into the ISR G2 chassis expansion slot.
How do I install an SM ISM Module in a Cisco ISR G2 Router?
Power off the router, remove the blank faceplate, slide the SM or ISM module into the designated slot until it clicks, secure it with the captive screw, then power on the router to auto-detect the new module.