3Com 4210G PWR 24-port Switch P/N: JF846A, 3CRS42G-24P-91
SKU: 40549217625

3Com 4210G PWR 24-port Switch P/N: JF846A, 3CRS42G-24P-91

Sale price$224.55 Regular price$249.50
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

3Com 4210G PWR 24-port Switch P/N: JF846A, 3CRS42G-24P-91Features and benefits Layer 4 prioritization: enables prioritization based on TCP UDP port numbers Traffic prioritization (IEEE 802. 1p): allows real time traffic classification into eight priority levels mapped to eight queues Class of Service (CoS): sets the IEEE 802. 1p priority tag based on IP address, IP Type of Service (ToS), Layer 3 protocol, TCP UDP port number, source port, and DiffServ Rate limiting: sets per port ingress enforced maximums

Features and benefits


Layer 4 prioritization: enables prioritization based on TCP/UDP port numbers


Traffic prioritization (IEEE 802.1p): allows real-time traffic classification into eight priority levels mapped to eight queues


Class of Service (CoS): sets the IEEE 802.1p priority tag based on IP address, IP Type of Service (ToS), Layer 3 protocol, TCP/UDP port number, source port, and DiffServ


Rate limiting: sets per-port ingress enforced maximums and per-port, per-queue guaranteed minimums


Bandwidth shaping: Rate limiting: provides per-port, ingress-based enforced bandwidth maximums


Guaranteed minimums: provides per-port, per-queue egress-based guaranteed bandwidth minimums


Broadcast control: allows limitation of broadcast traffic rate to cut down on unwanted broadcast traffic on the network


Management


Remote configuration and management: is available through a secure Web browser or a command-line interface (CLI)


Manager and operator privilege levels: enable read-only (operator) and read-write (manager) access on CLI and Web browser management interfaces


Management VLAN: segments traffic to and from management interfaces, including CLI/telnet, a Web browser interface, and SNMP


RADIUS accounting support: separates RADIUS accounting server support per SSID; provides detailed session, usage, and billing information for each client activity


Multiple configuration files: can be stored to the flash image


Dual flash images: provide independent primary and secondary operating system files for backup while upgrading Secure Web GUI: provides a secure, easy-to-use graphical interface for configuring the module via HTTPS


Command-line interface (CLI): provides a secure, easy-to-use command-line interface for configuring the module via SSH or a switch console; provides direct real-time session visibility


SNMPv1, v2c, and v3: facilitate centralized discovery, monitoring, and secure management of networking devices


Port mirroring: enables traffic on a port to be simultaneously sent to a network analyzer for monitoring


Connectivity


Optional 10 Gigabit Ethernet ports: allow the addition of 10 Gigabit Ethernet connections for uplinks or high-bandwidth server connections; flexibly supports XFP, SFP+, or CX4 local connections


Auto-MDIX: automatically adjusts for straight-through or crossover cables on all 10/100 and 10/100/1000 ports


Dual-personality functionality: includes four 10/100/1000 ports or SFP slots for optional fiber connectivity such as GigabitSX, -LX, -LH, or 100-FX


IEEE 802.3af Power over Ethernet (PoE): provides up to 15.4 W per port to IEEE 802.3af-compliant PoE-powered devices such as IP phones, wireless access points, and security cameras

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 40549217625

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A
AmazonCustomer
Battle Creek, US
★★★★★ 5
The Ball Never Gets Boring
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My dog was immediately curious about this ball, and that curiosity turned into a surprisingly long play session. The movement keeps things unpredictable enough that it holds attention longer than a standard toy. I liked that it encouraged activity without requiring me to constantly throw something across the room. The textured surface also seemed easy for my dog to grab and carry around. One thing I noticed is that hard floors allow the ball to move around much more dramatically than carpet. It feels sturdy enough to handle enthusiastic play and occasional chewing. The bright color makes it easy to spot when it inevitably ends up under furniture. Charging was simple and didn’t become a hassle.
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Reviewed in the United States on June 13, 2026
A
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Waukegan, US
★★★★★ 5
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Color: ‌Tangerine - 3.15Inch
I picked up this motorized E-TPU dog ball last Thursday to keep my German Shepherd occupied during my afternoon video conferences in Folsom. The product quality is evident in the spongy, high-density foam construction, which provides a satisfying grip for his jaws without sustaining a single tear or puncture. The built-in motion sensor is highly responsive, sending the ball into an unpredictable frenzy of hops and spins whenever it gets nudged. It offers excellent value for money because the structural integrity holds up perfectly against aggressive chewing that would normally shred standard rubber toys in minutes. For a parent or professional needing a functional, autonomous distraction to burn off their pet's excess energy indoors, this rugged smart toy delivers a very reliable and quiet performance.
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Reviewed in the United States on June 11, 2026
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Bozeman, US
★★★★★ 5
My dog really likes it
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My golden retriever has a lot of energy, especially on rainy days when we can’t stay outside for long. This rolling ball has been a fun way to keep him entertained indoors. The movement is unpredictable enough to keep him interested, and he’ll follow it around the living room until he’s ready for a nap. The material has held up well to daily play, and it’s easy to recharge when needed. Watching him chase it around has honestly been entertaining for the whole family. Great toy for keeping active dogs busy. What I like most is that it gives him something to do without needing constant attention from us. The ball rolls on its own, changes direction, and keeps him engaged much longer than some of his other toys. A nice option for dogs that need extra stimulation during the day.
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C. Rocco
Draper, US
★★★★★ 5
Keeps my puppy happy!!
Color: Orange - 3.15Inch
My 8 month old puppy loves this ball!! He is so happy when we charge it up for him!! It's great because it keeps him busy for a few minutes and it tires him out. This is our second one so we always have one ready to go for him.
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Reviewed in the United States on May 27, 2026
D
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Dayami Morales
Whiting, US
★★★★★ 5
Fun Dog Toy
Color: Orange - 3.15Inch, Color: Orange - 3.15Inch
My Goldendoodle loves this ball! It’s the perfect size, easy to carry, and keeps her busy for a long time. Great purchase.
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