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Description
Cisco NCS 4200 8x T1/E1 CEM Line Card - RJ48CThe Cisco NCS 4200 8x T1 E1 CEM Line Card RJ48C is engineered for service providers and enterprises that rely on legacy circuit based services while migrating to modern IP based transport. This high density, plug in card fits into the Cisco NCS 4200 router family and delivers eight independent T1 or E1 circuit emulation channels through durable RJ 48C connectors. Designed for demanding telecom environments, the card combines precise timing, reliable
The Cisco NCS 4200 8x T1/E1 CEM Line Card - RJ48C is engineered for service providers and enterprises that rely on legacy circuit-based services while migrating to modern IP-based transport. This high-density, plug-in card fits into the Cisco NCS 4200 router family and delivers eight independent T1 or E1 circuit-emulation channels through durable RJ-48C connectors. Designed for demanding telecom environments, the card combines precise timing, reliable signaling, and seamless integration with Cisco’s management and automation ecosystem, enabling operators to preserve critical voice and data services while unlocking the efficiency and scalability of packet-based networks. With a focus on fault tolerance, easy maintenance, and flexible deployment, this line card helps customers protect existing investments, accelerate service turn-up, and simplify ongoing operations in metro, regional, and long-haul networks. In short, the NCS 4200 8x T1/E1 CEM Line Card embodies Cisco’s commitment to delivering carrier-grade performance, interoperability, and long-term value for high-volume TDM-to-IP migrations.
- High-density 8x T1/E1 circuit-emulation ports with RJ48C connectors, enabling rapid integration with existing telecom infrastructure and downstream services.
- Circuit Emulation (CEM) capability preserves timing, signaling, and reliability of traditional T1/E1 circuits while transporting over modern IP/MPLS networks for seamless modernization.
- Carrier-grade reliability and serviceability, including hot-swappable plug-in design, robust chassis integration, and compatibility with Cisco management tools for provisioning and monitoring.
- Flexible deployment within the Cisco NCS 4200 platform, supporting scalable capacity, centralized management, and streamlined fault isolation across edge and core networks.
- Designed for ease of installation and maintenance, with straightforward cabling via RJ48C connectors, clear labeling, and network-wide visibility through Cisco’s automation and telemetry capabilities.
Technical Details of Cisco NCS 4200 8x T1/E1 CEM Line Card - RJ48C
- Interface: 8 x T1/E1 CEM ports (RJ-48C connectors) for circuit-emulation traffic
- Form factor: Line Card designed for inclusion in the Cisco NCS 4200 router family
- Channel configuration: 8 independent channels configurable for T1 or E1 services
- Power and cooling: Hot-swappable card with telecom-grade reliability; integrated with chassis power and thermal management
- Management and monitoring: Supports Cisco management tooling and standard network telemetry for provisioning, status, and fault diagnostics
- Environmental: Built for rigorous telecom environments with appropriate operating specifications and durability
- Compatibility: Interoperates with existing TDM services and supports circuit-emulation over IP/MPLS backbones within the NCS 4200 ecosystem
- Installation footprint: Slot-based card designed for straightforward insertion and removal within the NCS 4200 chassis
how to install Cisco NCS 4200 8x T1/E1 CEM Line Card - RJ48C
- Power down the NCS 4200 chassis following standard equipment shutdown procedures and adhere to your site’s safety guidelines.
- Open the chassis access door and identify the available line-card slot compatible with the NCS 4200 family; confirm slot readiness and grounding requirements.
- Insert the 8x T1/E1 CEM Line Card - RJ48C firmly into the designated slot until it is securely seated and engages the backplane connectors; verify the card locks in place.
- Attach RJ-48C T1/E1 cables to the eight ports on the new card, labeling cables as needed to reflect channel assignments; ensure clean, secure connector seating.
- Power on the chassis and use the management console or appropriate Cisco software to verify card initialization, interface status, and port health; observe LEDs for normal operation and review system logs for any errors.
Frequently asked questions
- Q: What is the primary purpose of the Cisco NCS 4200 8x T1/E1 CEM Line Card? A: It provides eight circuit-emulation channels (T1/E1) for Cisco NCS 4200 routers, enabling legacy TDM services to run over IP/MPLS networks with reliable timing and signaling.
- Q: Can the card handle both T1 and E1 services? A: Yes, the card is designed to support eight channels that can be configured for T1 or E1 services as required by the deployment.
- Q: What connectors are used? A: RJ-48C connectors are used for the 8 T1/E1 CEM ports, providing familiar and robust interfacepoints for telecom cabling.
- Q: How does this line card integrate with Cisco management tools? A: It is designed to work with Cisco management and telemetry solutions, enabling provisioning, monitoring, and diagnostics within a unified operational framework.
- Q: Is special software licensing required for the line card to function? A: The line card is integrated into the NCS 4200 ecosystem and utilizes standard Cisco platform management; check your specific deployment for any feature licenses that may apply to CEM functionality or advanced monitoring.
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4.1 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Must must must
Must get! My dogs are obsessed with these! We go through them regularly!!
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Reviewed in the United States on January 6, 2026
★★★★★ 5
If Your Dog Can Rip The Hood Off Your Car--This Is The Dental Toy For Him/Her
I am always curious about buying the "number one best seller" that Amazon lists in any product category. And when it's an add-on item offered at a reasonable cost, I'm even more curious.
From reading the reviews, it appears that some dog owners ordered this item and were disappointed in it for a number of reasons, primarily because the 'hardness' of the toy caused dental problems. Obviously no one wants to buy a dental toy that actually causes teeth problems. However, some small breed owners must not be aware that their particular breed is subject to dental issues regardless of what toys they chew. Just off the top of my head, this type of problem often occurs with Yorkies, Chihauhaus, and Chinese Cresteds. You can use virtually any dental care method in existence and still watch your Chinese Crested's teeth fall out.
So small breeds shouldn't be given tough Nylabone toys like this Dinosaur model. If you watch any dog chew on this particular toy, you will quickly notice how small his/her teeth are in relation to the toy, and you will probably be surprised by the leverage and power he/she puts into each bite. They gnaw, they gnash, they continue to work at it until those tiny teeth lose the battle against the tough Nylabone. Comparing this to human teeth, everyone knows someone who fractures/cracks a tooth somehow. That's because our front "chicklet" teeth bite down on something hard, get broken from falling on your face, getting hit in the mouth, having teeth weakened by cavities, and from not seeing a dentist/hygienist on a regular basis--usually because we're afraid of a little pain.
We're always looking for relatively tough dental toys for our 182 pound Cane Corso named Dante. He tears apart any toy we buy him, usually in a matter of minutes. But this particular Nylabone Dura Chew has survived for months now. If you look at the size of his teeth, length and thickness, you will see a dog with the teeth and jaw muscles strong enough to tear the hood off your car--which is exactly what he did to our Prius. So if your dog is capable of ripping hoods off cars, this treat should be good for your pet monster. Just keep an eye on the toy so that you can toss it before it breaks down and is swallowed.
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Reviewed in the United States on March 10, 2015
★★★★★ 5
Best Nylabone Fido & I Agree
My dogs love these Dino Nylabone's. Over the years I have bought at least 30 of these nylabones for 3 different dogs. Two of which have loved the Dino shaped Nylabones the best. The third loves the nylabone daily dental bone the best but the dino is a close second. The T-Rex is their favorite but they like all dino shapes. Depending on the dog's chewing mood these have lasted anywhere from a month to 6 months before needing replacing. My super chewing husky will chew one up pretty quickly in about a month, my moderate chewing pit bull would take 3-4 months and my slow light chewing shiba inu would take 6 or more months. I typically have 2-3 chewable items per dog (it helps prevent toy hoarding and aggression) and these dino toys are always among the favorites.
*These are chewing style nylabones they are not supposed to be consumed quickly as a snack or treat. I consider these like a hobby or activity for my dogs to do not something they eat or a toy they play with. Chewing is a natural part of dog behavior and is good for dental hygiene. Giving your dog items they are supposed to chew on is a good way to prevent your dog from chewing on things he isn't supposed to.*
These are the white nylabone material which is a tougher material than the beige color nylabones. The white nylabones should be used for aggressive chewers. Beige nylabones are good for light chewers.
The T-Rex is about 6" by 5" the Long neck is about 3.5" by 7 inches and the Stegosaurus is about 6.5" by 4" they all seem to last about the same amount of time.
I can usually get them for $4-5 on amazon which makes them one of the best deals for a chewing nylabone which is another huge plus.
Overall My dogs and I love the Dino Nylabones and I will buy them as long as they are made. Great Product
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Reviewed in the United States on December 2, 2015
★★★★★ 4
Dog loves it and it's very durable, but not indestructible
I have a dog with very strong jaws. She's only thirty-five pounds but she goes through most toys like they're bubblegum. Even as a small puppy, she would destroy anything and everything. By the age of five or six months we had to give up on soft and rope toys altogether, and at a year old, she is limited to only hard chews like Kong, Nylabone, etc. Even then, she destroys most of these with relative ease. She's gone through chews others have recommended as long-lasting in literally ten minutes. The only toy she has that has lasted more than a month or so is her original red Kong, which she mostly licks instead of chews.
I initially bought the dinosaur for my other, less toy-murderous dog, but the power chewer quickly stole it from him. She was in love. She carried it everywhere and chewed on it constantly. I'm not sure if it's the shape or the texture she likes, or some combination thereof, but whatever the case, it instantly became her favorite. Even the most durable hard toys normally only last a few weeks with her, but her dino is going on two or three months now. It's chewed beyond recognition, all the nubs worn down, and it's very rapidly nearing the end of its life because little bits of plastic are falling off, but it still lasted far longer than most toys do. A few weeks ago I bought her a second one, in a different shape, and she's equally as enamored with it. All in all, it's not going to be indestructible if you have a power chewer, but it certainly lasts a heck of a lot longer than most!
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Reviewed in the United States on July 23, 2012
★★★★★ 5
Tough enough to Survive the big, bad CHARLIE!
I purchased this for my 80 pound yellow lab, Charlie.
Charlie is a very powerful chewer. Toys typically last about 2.3 seconds in his grasp.
Since Charlie's toy budget had ballooned to a point where I had to choose whether to fulfill his appetite for destruction, or pay the mortgage, I knew something had to change.
This is how I came across this nylabone chew. It appeared tough enough that charlie may get at least an hour of play from this toy before it was destroyed. The price was reasonable enough that it fit within what was left of the depleted toy budget. So I bought it.
Two quick days later, and the box arrived. I gave the package to Charlie, and told him it was another new toy for him to destroy. The smell of the nylabone vented through the cardboard, and he started to wag. He tore open the box and found the bone inside. At this point, he is elated. I removed the packaging and told him to go at it.
That was weeks ago, and the dinosaur bone still has yet to be defeated. Sure, it is missing a few spines, and his tail is heavily chewed, but the bone is not yet destroyed. That isn't from a lack on trying on Charlie's part. He chews on the bone almost daily, and hasn't gotten tired of it yet!
If you have a big dog who's toy budget is getting out of control, buy this bone! Small bits will come off here and there, so if your dog likes to eat what he destroys, keep an eye on him. However, all of the small bits that have come off Charlie's bone thus far are small enough that they should pass no problem.
A great bone, and if they release similar bones in the future, Charlie will be a happy customer.
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Reviewed in the United States on October 24, 2014