SKU: 56805983948

Cisco 4-port 10/100 Ethernet switch HWIC-4ESW

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Description

Cisco 4-port 10/100 Ethernet switch HWIC-4ESWThe 4 and 9 port Cisco EtherSwitch 10 100 high speed WAN interface cards (HWICs) supported on the Cisco 1800 (modular) 1941, Cisco 2800 2900, and Cisco 3800 3900 series integrated services routers offer small to large size businesses and enterprise branch office customers the option to integrate switching and routing in one device. This combination offers ease of configuration, deployment, and management while using the powerful characteristics of

The 4- and 9-port Cisco® EtherSwitch® 10/100 high-speed WAN interface cards (HWICs) supported on the Cisco 1800 (modular)/1941, Cisco 2800/2900, and Cisco 3800/3900 series integrated services routers offer small-to-large-size businesses and enterprise branch office customers the option to integrate switching and routing in one device. This combination offers ease of configuration, deployment, and management while using the powerful characteristics of Cisco routing and Cisco Catalyst® switching features.



The modular 4- and 9-port Cisco EtherSwitch HWICs provide line-rate Layer 2 switching across Ethernet ports using Cisco IOS® Catalyst Software. The 4-port Cisco EtherSwitch HWIC has four 10/100 switched Ethernet ports, with options for inline power support on all four ports. The 9-port Cisco EtherSwitch HWIC has nine 10/100 switched Ethernet ports, with options for inline power support on 8 of the 9 ports. The ninth port does not support inline power but can be used as a regular switch port for trunking and other normal data applications. Features such as port autosensing, quality of service (QoS), VLAN support from 802.1P and 802.1Q standards, and 802.1D spanning tree protocols are standard on the Cisco EtherSwitch HWIC. The Cisco EtherSwitch HWICs are available in standard 4- or 9-port 10/100BASE-TX switch HWIC and Power-over-Ethernet (PoE) configurations. The PoE configurations consist of a 4- or 9-port 10/100BASE-TX switch and a 4- or 8-port inline power module daughter card. The power module daughter card houses a power controller for detecting, classifying, and enabling power on 802.3af-compliant powered devices attached to the HWICs. The inline powered version of the Cisco EtherSwitch HWIC can power Cisco IP phones, Cisco wireless access points, or any other IEEE 802.3af-compliant device. The optional inline power support on the 4- and 9-port HWICs on the Cisco 2800/2900 and Cisco 3800/3900 series of integrated services routers requires the use of a field-replaceable inline power supply. (Refer to Figure 1.)



Features and Benefits



This table gives the architecture, features, and benefits of the Cisco 4- and 9-port HWICs.
















































































Feature



Benefit



4 or 9 10BASE-T/100BASE-TX Ports



• These ports deliver up to 200 Mbps of aggregate bandwidth (full duplex) for forwarding Layer 2 traffic on each port.


Autosensing, Autonegotiation, and Auto-MDIX (Automatic Media-Dependant Interface Crossed Over)



• The Autosensing feature allows the switch to detect the speed of the attached device and automatically configure the port for 10- or 100-Mbps operation.


• The Autonegotiation feature allows the switch to automatically select half- or full-duplex transmission mode to optimize bandwidth on all the ports of the HWIC


• The Auto-MDIX feature allows the switch to automatically detect cable type (straight through vs. crossover) between the attached Ethernet device and switch line pairs.


Integrated Switching



• Integrated switching provides fewer points of management for remote and small branch offices.


802.1P QoS (Traffic Prioritization)



• This feature provides support for QoS based on the IEEE class of service (CoS) and port-based prioritization, allowing the switch to change the CoS settings of tagged packets on a per-port basis.


802.1Q Trunking



• This feature allows the setup of separate VLANs with tagged and untagged framing; trunking is used to save ports when creating a link between two devices implementing VLANs; VLANs allow segmentation of the LAN.


802.1D Spanning Tree Protocol



• This Layer 2 link-management protocol provides path redundancy while preventing undesirable loops in the network; it simplifies network configuration and improves fault tolerance.


Voice VLAN (VVLAN)



• VVLANs help enable Cisco IP phones to place voice and data in their own separate VLANs. The HWIC switch port is manually configured as a trunk port to support voice and data VLANs on the same port. The switch then uses Cisco Discovery to dynamically configure the Cisco IP phones.


802.1x Authentication



• This client-server-based access control and authentication protocol restricts unauthorized devices from connecting to a LAN through publicly accessible ports.


PoE (Option)



• Cisco EtherSwitch technology with the appropriate inline power module and internal power supply can power Cisco IP phones and wireless access points. Support is provided for both IEEE 802.3af PoE and Cisco prestandard inline powered devices. The ninth port of the 9-port HWIC (part number HWIC-D-9ESW-POE) cannot be used for PoE applications. The PoE option is not available on the Cisco 1841 router.


Multicast Management Support



• This feature offers Internet Group Management Protocol (IGMP) snooping in hardware for management support.


Simple Network Management Protocol (SNMP) Management



• SNMP allows management of the MIB through a MIB browser.


Cisco IOS Software Command-Line Interface (CLI)



• This feature provides configuration through the Cisco IOS Software CLI and provides a common user interface for all the router functions.


CiscoWorks Support



• CiscoWorks network management software helps enable manageability on a per-port and per-switch basis, providing a common management interface for Cisco routers, switches, and hubs.


• SNMPv1, v2, and v3 (noncryptographic) and Telnet interface support delivers comprehensive in-band management, and a CLI management console provides detailed out-of-band management.


• Cisco Discovery Protocol Versions 1 and 2 help enable a CiscoWorks network management station to automatically discover the switch in a network topology.


• Support is provided by the CiscoWorks LAN Management Solution.


Cisco Discovery Protocol Versions 1 and 2



• This protocol enables a CiscoWorks network management station to automatically discover the switch in a network topology.


VLAN Trunking Protocols (Client, Server, and Transparent Modes)



• The Cisco Virtual Lan Trunking Protocol (VTP) supports dynamic VLAN configuration across Cisco switches.


Cisco Secure Router and Device Manager (SDM)-Based Configuration and Device Management



• This feature simplifies initial configuration of a switch through a Web browser, eliminating the need for more complex terminal emulation programs and CLI knowledge.


• Cisco SDM reduces the cost of deployment by helping less-skilled personnel set up switches quickly and simply.


Status LEDs



• Two LEDs per port provide convenient visual indication of the switch port and inline power status.




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SKU: 56805983948

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COLLEEN
Charlottesville, US
★★★★★ 5
GREAT SHEETS, COLOR MATCHED PERFECT FROM THE PIC
Color: Ice Blue, Size: Queen
I WAS IMPRESSED, THESE ARE NOT SEE THROUGH THIN SHEETS, THEY HAVE SOME SUSTAINS TO THEM. THEY WASHED WELL AND ARE NOT ALL WRINKLED, THEY ARE SOFT AND THE COLOR WAS EXACT FROM THE PIC.
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Reviewed in the United States on May 27, 2026
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It's all me
Port Orchard, US
★★★★★ 5
Amazing for the low price!
Color: Grey, Size: Queen
We bought a newer camper that the previous owners put a regular, deep pocket mattress. After trying to fit our regular ones on and popping right off, I went right to Amazon and searched "deep pocket queen sheets". The first one came up with a very low price, I ordered them. They came in in about a day and a half. They were a great color, perfect fit and so soft. Something I would've paid so much more for! They are fabulous!!!
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Reviewed in the United States on May 26, 2026
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La Bella Vita Finds
Phoenix, US
★★★★★ 5
Noiseless, Cool & High Quality—Amazing Value!
Color: 2 White, Size: King
I’m extremely impressed with this mattress protector! First, it truly lives up to being noiseless—there’s no crinkling or plastic sound at all, which makes a huge difference for a comfortable night’s sleep. It also doesn’t trap heat, so the bed stays cool and breathable throughout the night, which I really appreciate. The quality is excellent—you can feel it as soon as you open the package. It’s well-made, soft, and fits perfectly thanks to the deep pockets, staying securely in place without shifting. The waterproof feature gives great peace of mind without sacrificing comfort. On top of all that, it came very well packaged and feels like a premium product at a very affordable price. Honestly, it exceeded my expectations. I would definitely recommend it for anyone looking for a high-quality, comfortable, and reliable mattress protector.
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Reviewed in the United States on April 16, 2026
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HandyAndy
Cuba, US
★★★★★ 5
Nice protector cover, quiet and comfy - best for THICK mattresses
Color: 3 Navy Blue, Size: Full
I liked this pad immediately as fabric cover has nice quilting (just slightly puffy), and touch feel and feels substantial enough to hold up over time. I’ve ordered a few different brands of these and they were crappy, insubstantial pads I did not think would hold up to more than a couple washings. My biggest complaint and it’s due to my own lack of experience buying these in the new world of skillions of mattress thickness choices is that (A) the side panels / elastic pockets are HUGE and will never be secure on anything thinner than a 12” (or thicker!) mattress; and (B) I thought I was buying an ENCASEMENT cover pad which this is not. I’m blaming that on Amazon because I specifically input “encasement” in the search and their F’ing search algorithm does whatever the heck it wants and if you’re not paying nit-picky attention you get stuff you don’t want. (Or you waste time sorting out the ones you didn’t want to see in the first place!) That said I am seriously considering keeping this (depending on late arrivals of competing covers) as I’m certain this will be comfortable and as quiet as these waterproof covers get. It’s a nice cover. UPDATE: it’s a couple weeks later and I’m reporting I did keep it and am happy to have done so. It installed more securely than anticipated and is as comfortable as I thought it would be. I’ll try and update again when I have time to resize pics and show how much my cat enjoys it too:) UPDATE#2: in review I noticed that the 1* reviews were on about nasty liquids leaking through - I haven’t had any large scale events to gauge but I can see how those reviews could be valid. I should report out of EVERY type of these “nice” noiseless “waterproof” pads I’ve got I think every one of them probably could have the same fault. In other words though I use and really like this cover I also purposely use an encasement style mattress protector (you know the put it in a bag w/zipper kind and a pain in the a** to do so kind) to avoid the complaints in the 1* camp. These mattresses are just too costly and spongelike to NOT protect them completely so I appreciate their frustration that things leaked for them. In my choice to keep this I did so because a) it most probably is pretty waterproof & is definitely quiet & comfy; b) it’s pretty easily washable; and c) because most of the encasement protectors are of more “crinkly” material than this (at least the ones I’ve seen so far - maybe the super expensive ones have figured out how to be perfectly waterproof without crinkle) and by using this nice top protector I put a layer on top of the crinklier encasement and everything just ends up much better with no noticeable crinkle. Figured I say this to help detail 1* vs. 5* because right!? how can one thing be so great and when you turn around then be so terrible… just sayin. (& I did not change my 5* rating😎)
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Reviewed in the United States on March 16, 2026
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Thomas W.
Chelsea, US
★★★★★ 5
⭐⭐⭐⭐⭐ Excellent Protection and Comfort — A Mattress Protector That Really Works!
Color: 3 Navy Blue, Size: Full
The BEDLORE Waterproof Mattress Protector, Full Size Mattress Pad with Deep Pocket (6″–15″) has been a fantastic upgrade to my bed setup. If you’re looking for reliable protection without sacrificing comfort, this protector delivers on every promise — and then some. 🛡️ True Waterproof Protection This mattress protector does exactly what it should — it protects. Whether it’s accidental spills, pet messes, or everyday body sweat, the waterproof barrier keeps everything from reaching your mattress. I’ve tested it with a few wet spills, and the liquid beads right up on the surface, giving me peace of mind that my mattress will stay fresh and clean for years. 🛏️ Soft and Comfortable Sleep Surface Unlike some protectors that feel stiff or noisy, the BEDLORE pad is soft, quiet, and comfortable. You barely notice it’s there, and it hasn’t changed the feel of my bed at all — it just adds protection while letting the mattress feel like my mattress. Sleeping on it feels smooth and cozy rather than plastic or crinkly. 📏 Deep Pockets Fit Perfectly The deep elastic pocket is one of my favorite features. It securely fits my mattress, which is on the thicker side, and stays in place even with nightly tossing and turning. The coverage from 6″ to 15″ means it fits almost any standard full mattress comfortably without slipping off or bunching up. 👍 Breathable & Quiet Despite being waterproof, this protector remains breathable, so I don’t wake up feeling too warm or restricted at night. It’s just the right balance — protecting without interfering with airflow or comfort. 💪 Easy to Care For Machine washing and drying are a breeze — it comes out clean and stays soft after every wash. I appreciate that it retains its shape and waterproof performance even after multiple washes. ✅ Final Thoughts Overall, the BEDLORE Waterproof Mattress Protector is a well‑made, comfortable, and highly effective mattress pad that offers great protection without the unwanted stiffness some other protectors have. It’s a smart way to preserve your mattress investment while still enjoying a comfortable night’s sleep. I’m very happy with it and would absolutely recommend it! ⭐⭐⭐⭐⭐
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Reviewed in the United States on April 2, 2026

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