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Description
Cisco 2 Port Channelized E1/T1/ISDN-PRI HWICExperience unmatched flexibility in WAN connectivity with the Cisco 2 Port Channelized E1 T1 ISDN PRI HWIC. This dual capacity module brings together Channelized E1 T1 lines and ISDN Primary Rate Interface (PRI) into a single, scalable High Width Interface Card that fits Cisco routers with HWIC slots. Built for distributed enterprises, branch offices, and service providers, it enables fractional or full T1 E1 circuits, primary WAN links via ISDN PRI,
Experience unmatched flexibility in WAN connectivity with the Cisco 2-Port Channelized E1/T1/ISDN-PRI HWIC. This dual-capacity module brings together Channelized E1/T1 lines and ISDN Primary Rate Interface (PRI) into a single, scalable High-Width Interface Card that fits Cisco routers with HWIC slots. Built for distributed enterprises, branch offices, and service providers, it enables fractional or full T1/E1 circuits, primary WAN links via ISDN PRI, and reliable dial-access aggregation. By consolidating essential transport methods into one robust card, organizations can optimize hardware footprint, simplify configuration, and reduce total cost of ownership while preserving Cisco-grade performance and reliability. Whether you are deploying a scalable WAN for multiple sites, requiring a PRI link for voice-enabled data services, or aggregating dial access from remote locations, this HWIC provides a future-ready foundation for your network infrastructure.
- Flexible WAN options: Two ports support Channelized E1/T1 and ISDN PRI in one module, enabling you to tailor bandwidth and service topology to current and future needs.
- Fractional or full T1/E1 channelization: Configure the number of timeslots to match your traffic, allowing precise bandwidth provisioning and efficient resource utilization.
- ISDN PRI for primary WAN links and backup: Use PRI to create high-capacity uplinks or reliable backup paths, helping maintain uptime for critical applications and services.
- Seamless Cisco IOS integration: Full-featured command-line management, QoS, security features, SNMP, and centralized monitoring integrate with your existing Cisco network management ecosystem.
- Enterprise-grade reliability and compatibility: Designed for Cisco ISR platforms with HWIC slots, delivering proven performance, robust documentation, and long-term vendor support.
Technical Details of Cisco 2 Port Channelized E1/T1/ISDN-PRI HWIC
- Interfaces: 2 x channelized E1/T1/ISDN-PRI ports, enabling flexible WAN connectivity on Cisco routers that support HWIC modules.
- Channelization options: Channelized E1 and T1 support with configurable timeslots to meet fractional or full transport requirements and optimize link utilization.
- ISDN PRI support: ISDN Primary Rate Interface capability for high-density WAN connections and reliable voice/data integration.
- HWIC form factor: High-Width Interface Card designed for installation in Cisco router HWIC slots, enabling insertion and replacement in supported models.
- Platform compatibility: Built for Cisco ISR platforms with HWIC slots, such as the 1900/2900/3900 series, providing deployment flexibility across enterprise networks.
- Management and interoperability: Managed via Cisco IOS software; supports standard CLI configuration, SNMP, and compatible network management systems for centralized control.
- Standards and signaling: Supports standard framing and signaling protocols for T1/E1 and PRI, aligning with widely adopted ITU-T/ANSI specifications to ensure interoperable connections with service providers and network equipment.
how to install Cisco 2 Port Channelized E1/T1/ISDN-PRI HWIC
- Power down the router and disconnect all cables before handling the HWIC module to ensure safe installation.
- Locate an appropriate HWIC slot in the router that supports the module’s form factor and insert the HWIC with care, aligning the edge connector properly with the slot.
- Secure the module in place using the slot screws or latches provided by the chassis, then reconnect power and external connections.
- Power up the device and verify hardware recognition via Cisco IOS commands such as show inventory and show version, confirming that the HWIC is detected in the system.
- Configure the channelized E1/T1 and PRI settings to match your service provider’s terms (timeslots, framing, line code, and clocking), and assign the interfaces to the desired routing and PPP/PRI configurations. Use show controllers and show interfaces to validate status and performance.
- Test the WAN paths with light traffic, then scale up to validate throughput, latency, jitter, and failover behavior if a backup link is configured, ensuring both data and voice paths operate as expected.
Frequently asked questions
- What is the Cisco 2 Port Channelized E1/T1/ISDN-PRI HWIC used for? It provides two channelized WAN interfaces that combine T1/E1 transport and ISDN PRI in a single HWIC module, enabling flexible data and voice connectivity across multiple sites and services.
- Does it support fractional or full T1/E1? Yes. The HWIC supports fractional (partial) or full T1/E1 channelization, allowing you to tailor bandwidth to actual traffic demands and optimize network resource usage.
- Which Cisco platforms are compatible? It is designed for Cisco routers that offer HWIC slots and support the associated IOS features, typically compatible with Cisco ISR families in the 1900/2900/3900 series. Always verify compatibility with your specific router model and IOS version.
- Is the HWIC hot-swappable? In supported Cisco models, HWIC modules are designed to be inserted or replaced with minimal downtime, but you should follow your device’s maintenance and safety procedures for your specific model and environment.
- How do I configure PRI on this HWIC? PRI configuration involves selecting the ISDN PRI interface on the HWIC, aligning timeslots and framing according to your service provider, and ensuring proper clocking from the network. Refer to Cisco IOS documentation for exact commands and parameters for your hardware.
- Do I need extra licenses? Most HWICs operate with standard Cisco IOS features for basic WAN connectivity. Advanced features such as enhanced QoS or security may require appropriate IOS editions or feature licenses depending on the device model and license policy.
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4.8 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Get them!!!
Style: Standard, Color: Black
Run ...don't walk. These headphones are amazing. I was on the verge of giving up trying to find wireless headphones that could fit my small ears, be comfortable, have great sound quality, when listening to music and talking on the phone, cancel noise, that keep a decent charge, that don't fall out as I'm walking and moving my head, and are AFFORDABLE These headphones check ALL the boxes. There was a no fuss set up and pairing that took 2 min. I haven't charged them in 5 days and still have 33% charge left on them after listening to music for hours for days. They came charged as well. I've had much more expensive brands and they have failed me. These are IT and I will be purchasing them as gifts for friends and family.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Amazing buds/price/service... buy these!
Style: Standard, Color: Purple
Yes, my subject line sounds like that trash hyperbole you get on annoying pop-up ads on your Smartphone! And ironically, it usually has to do with ear buds. There are tons of them on the market, and everyone claims to be the best.
Now, first off, I am just a customer… never got any gifts or money or anything from this company, nor was asked to “click on a review” for a discount or whatever. No… the reason for all this hallelujah chorus, is that I’m really totally both jazzed, and a bit in awe of these earbuds. I think the main mind-blowing thing about them is the price. I mean, I have a bit of experience and knowledge with this kind of technology, and frankly, these days, what “guts” that are needed to be used to create Bluetooth ear buds is not that complex… nor expensive. How company’s like Sony, Apple, Bose, etc. can charge upwards of $300 for these boarders on theft and fraud!
I’ve tried those “Rolls Royce” buds, and I urge you to do the same, and then try these Tagry Bluetooth Wireless Earbuds that are literally 90% less expensive. Yes, they retail for about $35! They come in an excellent quality charge base, are extremely easy to put on, (and have three extra size buds to give you a custom fit), and most important, their sound quality, and I mean crisp highs, solid middles, and bone- rumbling base, are outstanding. I cannot understand what more you would want either using them for talk radio, podcasts, YouTube, streaming movies, or TV, or playing your Amazon Music or Spotify or iTunes playlists. And yes, if connected to your iPhone, you can make and receive calls, and the microphone in the buds are top quality.
Their Bluetooth software is flawless, connecting to your iPhone, or other Bluetooth devices effortlessly. They come with a pleasant woman’s voice letting you know various messages, like which earbud is in what ear, if they are connected or turned off, your volume control (including excess volume warning), etc.
I’ve had these for several months, and have found the charging, which has a bright LED display and shows the individual charging of each bud, along with their percentage easy to read.
And a note on their service. I’ve heard horror stories of folks trying to reach the outrageously over-priced other earbud company’s for tech support, or refunds, exchanges, etc. Basically it’s nonexistent, and when you do miraculously find a phone number to call them, and get someone on the line, you have to go to the UN to find an interpreter of rare third-world languages to understand what they are saying, and they seem to be trained, not on anything to do with the product, but to make the call as useless and confusing as possible, so that you will just give up and throw their buds, and your money in the trash.
Now, I did have an initial problem, after a few months, in that the base charger seemed to be slowing a bit. Tagry gives you a LIFETIME WARRANTY… yes, an actually lifetime warranty, not one of those sham “lifetime warranties”, that corrupt company’s like Hammacher Schlemmer have.
I had enrolled with Tagry, on their website, to activate my warranty as soon as I received the buds. I called Tagry when I was seeing what could be a glitch in their charging base, and yes, unlike most other companies who hide their contact numbers as if they were nuclear codes, Tagry’s support phone number is plainly printed on their manual, and to my astonishment, I immediately was connected to a good ‘ol American customer service person, who actually worked for the company, spoke English, and made me feel as if I was a long-ago trusted friend. They truly cared, and said they were sorry, and that there was no need to troubleshoot the base, or return it, instead, they would process an order to send me a new one.
A day later, they actually called me back to let me know that the replacement had been shipped, and that I should have it in a day or so, and if not, to please call them back right away. And yes, to apologize again for any inconvenience. The replacement arrived the very next day. And again, their warranty is indeed for a lifetime, a no questions asked replacement policy. This is how much they believe in their product, and respect their customers.
So, yes. It is insane to pay more than $35 for quality Bluetooth earbuds. Last year, I sent about a dozen of these out to friends and employees, to use for personal use, and for all that Zooming going on… and they love them. And none of had any problems.
I’m sure you have had a plethora of bad experiences in the past few years, what with isolation, and way too much ordering on-line, finding the products you buy to be substandard, and customer service virtually non-existent. And that is why I’ve spend all this time expounding on the greatest of my earbuds. Yes, I have a life. Really. But what a joy to be able to tell a story like this, rather than the kind of frustration most of us are experiencing every day!
Yes, goodness and quality still exist. It’s rare… but it’s out there!
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Reviewed in the United States on March 24, 2023
★★★★★ 4
A big bang for your buck!
Style: Standard, Color: Pink, Style: Standard, Color: Pink
I waited a while to review. I wanted to see how they did overtime. These are amazing for the price. The sound is crisp and clear and even can go extremely loud if that's your thing. They fit comfortably in my ear and are durable (I've dropped them a few times). The case holds a charge for a long time they connect to Bluetooth with no problems. I only gave 4 stars because there is a slight delay when you tap the ear buds to change functions. It's also a small spot to touch and sometimes I find myself having to tap it a few times to find the right spot to turn on/off, turn volume up, change songs, etc. These are simple with great sound and an amazing price. If you're a sound connoisseur and want a equalizer board to work with these aren't for you. I have expensive Jabra ear buds and find I use these more. They fit better and I don't worry about losing them.
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Great quality
Style: Standard, Color: Forest Green
Very surprised at the quality of these headphones. They’re comfortable in the ear and have very clear sound quality and great volume. They’re easy to set up and the ear bud is just the right size to sit comfortably. Settings are easy to adjust and the battery life is great. I will say the color doesn’t match to the display image, they’re a lot darker green, but that’s not really an issue. I just wanted to get a colorful pair to make them distinct from others. These are a great budget ear bud!!
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Reviewed in the United States on May 6, 2026
★★★★★ 5
These Budget Earbuds Actually Impressed My Wife (and Our Wallet)
Style: Standard, Color: Ocean Blue
We’re retired and try to be smart with money, so when my wife wanted a pair of wireless earbuds for her daily walks and audiobook listening, I wasn’t about to drop $150+ on a big name brand. After researching, I took a chance on these TAGRY earbuds and I’m honestly glad I did.
She’s been using them almost every day for a few months now, and they still work great. The battery life is legitimately impressive — the case shows the charge level with a little LED display, which is surprisingly handy, and we easily get several days of use before needing to recharge. The wireless charging is convenient too. Sound quality is clear and perfectly decent for the price — good enough for her favorite music, podcasts, and even taking phone calls in the house. They stay in her ears well during walks, and the IPX5 waterproof rating gives us peace of mind when it’s drizzly out.
The only small complaint is that they’re not quite as comfortable for really long wear (she sometimes switches ears after a couple hours), and the bass isn’t super deep compared to premium models. But for everyday use, that’s a very minor gripe.
Overall, these have been a solid, no-fuss purchase that delivers way more than we expected for the money. If you’re a senior, on a budget, or just don’t want to overpay for earbuds, these are worth trying.
Hope this helps someone!
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Reviewed in the United States on May 25, 2026
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