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Item#: 9SIA24G1E30519
ZyXEL CDA30360 DOCSIS 3.0 Cable Modem Compatible with Time Warner Cable / Cox Communications
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BRG-35503

Residential Cable Modem
BRG-35503

The BRG-35503 cable modem allows high-speed data transmission through coaxial cable, with four DS channels bonding the downstream speeds of up to 220Mbps from network to the user under bridge mode, and 10/100/1000Mbps ethernet port from the user to network.

Based on the DOCSIS 3.0 technology, the BRG-35503 allows MSOs to offer their end customers various broadband applications such as telecommuting, HD video on demand over IP, high-speed Internet access for residential or small office/home office (SOHO), interactive multimedia services, etc.

The BRG-35503 is an intelligent device that enhances its basic data transmission features with IPv6 support.This makes it especially suitable for the transmission of data based on this protocol.

Features

BRG-35503 BRG-35503
  • DOCSIS / EuroDOCSIS 3.0 Compliant
  • RoHS Compliant
  • Full-featured compact, economical cable modem with Ethernet port
  • Capable of handling downstream data transmission speeds up to 220Mbps; upstream over 100Mbps (four channels bonding)
  • One RJ-45 10/100/1000BaseT Ethernet port industry-standard connection
  • Extensive SNMP management support: MIB-II, Ethernet like MIB, Bridge MIB, Cable Device MIB, Baseline privacy Interface MIB, RF Interface MIB
  • Support for 64 provisioned golden frequencies
  • IP address filtering
  • Support IPv4 or IPv6 addressing modes

Specifications

Protocol Support
BRG-35503
  • DOCSIS / EuroDOCSIS 1.1 / 2.0 / 3.0 Compliant
  • SNMP V1, V2c, V3
  • IEEE 802.3, 802.3u
Connectivity
  • RF F type female 75 connector
  • RJ-45 10/100/1000Mbps Ethernet (Auto-MDI/MDIX)
  • USB 2.0 Host interface (Optional)
Management
  • Web-based control configuration and management
  • Easy-to-read LED's clearly display network status and activity
  • Power on self diagnostic
  • Proprietary mibs for extended support on DOCSIS
Compliance Certificates
  • CE Mark
  • RoHS Compliant
  • CableLabs Wave 61, 63, 66
Receiver-Demodulation
  • Demodulation: 64QAM, 256QAM
  • Data Rate:
    • Up to 160Mbps with four downstream channel bonding (DOCSIS)
    • Up to 220Mbps with four downstream channel bonding (EuroDOCSIS)
  • Frequency (edge to edge):
    • 88 – 1002MHz (DOCSIS)
    • 08 – 1002MHz (EuroDOCSIS)
  • Channel bandwidth:
    • 6Mhz (DOCSIS, DOCSIS-J)
    • 8Mhz (Euro DOCSIS)
    • 6 / 8MHz (Dual Mode)
  • Signal Level: 17dBmV
Transmitter-Modulation
  • Modulation: QPSK, 8 QAM, 16 QAM, 32 QAM, 64 QAM, and 128 QAM (SCDMA only)
  • Data Rate up to 120 Mbps with 4 Upstream channels bonding
  • Frequency (edge to edge):
    • 5 – 42MHz (DOCSIS)
    • 5 – 65MHz (EuroDOCSIS)
    • 5 – 65MHz (DOCSIS-J)
    • 5 – 85MHz (optional)
  • Output level of CM can be controlled by CMTS though power ranging function, Step: 1dB
  • Output Return Loss: >6dB
Mechanical
  • Five-Status LEDs:
    • Power, Downlink, Uplink, Ethernet, Status
  • Factory default reset button
  • USB 2.0 Type A host connector (Optional)
  • Product Dimensions (W x H x D): 7 x 1.75 x 5.1 inches (180 x 44 x 130mm)
  • Weight: 7.75oz (220g) approximately
Environmental
  • Supply voltage of external power supply
    • Input 100 ~ 240VAC 50 / 60Hz
    • Output 6VDC, 1.5A
    • Power Consumption:
      5 Watts (Operational)
      6.5 Watts (Max.)
  • Operating Temperature:
    • 32°F to 104°F (0°C to 40°C)
    • 10% to 90% (Non condensing)
  • Storage Temperature:
    • -40°F to 140°F (-40°C to 60°C)
  • Surge Protection:
    • On RF Input shall sustain at least 3KV
    • On Ethernet RJ-45 shall sustain at least 6KV

What's in the Box

box

Learn more about the ZyXEL CDA30360

Model

Brand
ZyXEL
Model
CDA30360

Spec

Type
Cable Modem
Interface
RJ-45
Cable Interface
1 x RJ45

Features

Features
ZyXEL's CDA-30360 brings the speed and reliability of broadband internet directly to your home or small office. Powered by DOCSIS 3.0 and utilizing 8 downstream channels to provide ultra-fast download speeds, the CDA-30360 ensures that streaming media, gaming, videoconferencing, online shopping, or even just surfing the web is a seamless, instantaneous experience. Setup is fast and easy, and IPv6 support guarantees that your modem will continue to provide high speed,high quality internet access well into the future.

Always-On, High-Performance Internet Connection

The ZyXEL CDA-30360 is the perfect choice for cable operators who want to o er high-speed broadband access to their customer base economically. It delivers speeds of up to 400Mbps (8x4) with eight bonded downstream channels over its DOCSIS interface - eight times faster than a conventional single-channel DOCSIS 2.0 cable modem! The integrated Gigabit Ethernet port enables easy home networking.

Rapid, Simple Deployment, Monitoring and Management

Installation of the CDA-3060 is quick, straight-forward, and can even be carried out by the end-user. Once connected, the built-in TFTP client automatically gets the IP address and con guration data from the network server without human intervention. A browser-based utility allows convenient viewing of key network statistics, and SNMP support provides total remote control over the device.

Full Dual Stack IPv4 / IPv6 Support

The CDA-30360 has four provisioning modes: IPv4 Only, IPv6 Only, Alternate Provisioning Mode (APM) and Dual-stack Provisioning Mode (DPM). The new CDA-30360 boasts the sleek, attractive new design concept ZyXEL has created for its new product series.
Service Provider
Time Warner / Cox

Quick Info


Customer Reviews of the ZyXEL CDA30360

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  • Taylor B.
  • 3/26/2015 1:00:44 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsDEAD in 2 months

Pros: Price with rebate at time of purchase (12/22/2014) was under 3 months modem rental cost with Comcast.

Worked well with 50mb Blast Comcast internet (while it worked)

Cons: Started using 1/9/2015. Worked great (50mb down/10mb up speedtest with Comcast Blast). Had to reset the modem a few times start early March.

3/24/2015 - Status light on modem slow blinking. Internet not working. Navigated to modem diagnostic (192.168.100.1). It was hung up on Download CM Config File. Called Comcast, they reset things on their end. Still not working. After a few hours of auto resetting, it started working again.

3/26/2015 - Same problem. Unable to navigate to 192.168.100.1. Called Comcast, had them reset. Still not working. Called modem manufacturer, waited on hold for 30 minutes. Gave up. Bought the Motorola SB6121. Problem solved.

Other Thoughts: Still waiting to receive rebate.

With 2.5 months of use, assuming I get the rebate, I just barely got my money's worth out of it.

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  • william b.
  • 3/24/2015 11:20:01 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsFaster than Comcast's Doc S 3.0 modem

Pros: An update to my earlier 2 star review.Laying the modem flat it becomes worrisome to hot and affects performance.Sitting the modem upright and while still warm it is not unacceptable.Also i was being throttled on upload 5mb when paying for 10mb.
Just sitting the modem upright solved both problems.

Cons: runs warm ,the small enclosure istheissue

Other Thoughts: Super positives Zyxel gets 20% more speed than the highend comcast modem Lol i guess comcast has less control over an aftremarket modem.,upload speed is almost a 10% increase.
On Blast 50/10 ,i get 60/11 & NO DROP OUTS ,I can only give it 4 stars due to the heat.But it is a little speed demon

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  • Siyi F.
  • 3/23/2015 4:41:39 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsValue modem

Pros: Comcast constantly called or emailed to have DOCSIS 3.0 modem required since they upgrade my cable speed to 50 mbps. This small cable modem is a very good one with budget and value with rebate.
No issue and speed went up to 60 compared to my old Motorola 2.0 DOCSIS modem.
I don't believe to either rent or spend $100 for a modem. This is a good buy and worth every dollar spent

Cons: none

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  • Steph R.
  • 3/22/2015 1:22:48 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsZyXEL BRG35503 DOCSIS 3.0 Residential Cable Modem Compatible with Comcast Network

Pros: Improved speed (from 32 Mbps to 60 Mbps!), good price (w/$20 rebate), quick, free delivery (Thanks newegg!), got Comcast off my back because of "outdated" technology.....

Cons: Installation issues (see below), but not necessarily because of the modem issue

Other Thoughts: Only has been in operation for a couple of days, but I'm impressed with performance. Reliability will take longer to determine...keeping my fingers crossed (based on reviews).

Installation was a kind of pain due to spending an hour on phone with 1st and 2nd level Comcast "techs" who could not get it working (seemed OK from their end and the router it was plugged into at my place seemed to be working OK, as well. They just couldn't seem to talk to each other....and, thus, no internet). Pulled this modem and put back older one and everything went back to normal.

Was just about to return/replace with newegg and decided to plug it in near my computer to check a direct connection. Pressed the RESET button (thru small hole in back) for ~20 secs and thought it went dead. However, after what seemed a very long time it came back alive and I noticed the Link status light acting differently from when it was installed (originally was a solid, consistent flash rate. After reset it was more like 5 flashes in a row, then a longer time with LED out, then 5 flashes in a row, etc.).

Thinking something might be different now, I decided to try another install. Lo and behold, I had internet. A bit erratic at first, but there was a connection (and my computer told me I might have log in to get full access). I decided on a do-it-myself provisioning this time. Went to the Comcast activation page (provided by one of the reviewers here, thank you) and went thru the process. Took about 5 mins and was done (did have to go back and re-instate my computer's IP and DNS addresses I had changed as part of the original testing process).

Moral of the story? Before installation, press and hold the RESET button for a minimum of 20 secs. (without WAN or coax connected. Then, if you can, use Comcast's webpage to enable the modem. Once again, techies who knew less than I do (I know this but guess I am always hopeful...silly me :(

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  • Steph R.
  • 3/21/2015 8:25:20 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsZyXEL BRG35503 DOCSIS 3.0 Residential Cable Modem

Pros: Good price (w/rebate), fast (nearly double the download speed), easy to install (once I stopped using Comcast "techs"...see "Other thoughts" below), fast shipping time from Newegg, thank you (helps to live close to a newegg distribution center :)

Cons: None yet (only 1 day experience)

Other Thoughts: Spent over an hour on the phone w/Comcast 1st and 2nd level "techs" and couldn't get it working (they were courteous but not really very knowledgeable :( Was about to return the unit when I remembered some of the other reviews here and postings elsewhere that talked about the difficulty of getting it working and even exchanging the unit, which didn't help. Uninstalled it and plugged in power only near my computer thinking about testing it with a direct connection. Pressed RESET (thru hole on back of device) and held for a while. Thought I broke it for sure. After ~2 mins., DS light began flashing (no Comcast connection, so was expected). However, the pattern of the Link (WAN connection) LED seemed to be flashing in a different pattern from when I had tried to install it. Decided to try a re-install and, lo and behold, I now had Internet connection. My computer was telling me I may need to log in to get access to network. So I went to the Comcast activation page (listed here in the reviews somewhere, I think) and went thru the steps. Took about 5 mins and the unit was provisioned (accepted by Comcast). Needed to make some adjustments on my computer to its IP addr and DNS info (had changed them during original install process trying to get modem to work) and everything was now working great. Did a speed test with old modem and then one with new modem. Results were: Download/Downstream - ~2 times speed increase (34 Mbps -> 60 Mbps); pretty much same speed (old vs new) for Upload/upstream (~6 Mbps). Download is all I care about anyways.

Moral of story....don't trust the supposed experts at Comcast to help you out. They either aren't that knowledgeable or have not truly been trained to be as technically competent as one might need.

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  • Anonymous
  • 3/19/2015 8:27:44 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsfollowup.

Pros: I downgraded to 3 eggs because of problems after 6 months. New modem didn't fix network glitches which went away with swapping buffalo router that was part of package deal. Things are back to normal after a day with old retired router so I suspect router was bad.

I agree with heat issue. My modem ran cool with old fan taped to the top. I used power supply from old device and some solder. Recommended for any who but this product.

Cons: Runs hot. Cooling fan hack seems protective. I will keep this now retired unit as a spare.

Other Thoughts: I

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  • william b.
  • 3/18/2015 5:51:09 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsEasy to setup but Runs HOT!

Pros: Economical and small footprint.Easy to install with Comcast.
20 percent faster download speeds than comcasts rental modem.
60mb over 50 mb

Cons: Major con and worrisome con is the incredible heat this modem throws off ,you could probably fry an egg on top.My upload speed seems to fluctuate now between 3 and 6 but this could be a comcast isp problem

Other Thoughts: My download speed has increased an upload decreased ,i have blast 50/10 and have been getting 60/5 with the ZyXEL.
I have warned the family to make sure nothing is near or sitting on the modem because of the heat.In fact right after i write this review i will stand the modem vertically ,following the advice of another newegg reviewer and hope it runs much cooler afterwards as his did. The heat issue and the decrease in upload speed for me is the reason iam giving it 2 stars.

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  • William T.
  • 3/17/2015 4:32:30 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

4 out of 5 eggsWorks fine, runs hot unless you raise it

Pros: Works for us, but our service doesn't stretch its bandwidth capabilities at all. Set-up was smooth though had to call our non-Comcast ISP to have them register its MAC address as one they recognized. Great price after rebate (even better last December as I understand, but I'm not complaining).

Cons: Boots and connects kinda slowly (maybe it's optimized to connect to Comcast?), but booting happens rarely anyway.

Runs hot enough that I'd worry about its longevity unless you raise it to give it better air circulation underneath (after which it doesn't even get very warm).

Other Thoughts: If this lasts nearly as long as our Motorola SB4100 (13.5 years old and still going strong, but our ISP is phasing out support for DOCSIS 1/1.1 modems) I'll be very happy.

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  • Anonymous
  • 3/17/2015 9:28:04 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsacting up after 6 months

Pros: Prior reviews stated that there are heat problems so I attached an external fan which kept it cool. After six months internet started dropping out daily needing unplug/plug cycle. New modem ordered will swap out and verify problem.

Cons: Lasted six months

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  • James D.
  • 3/15/2015 12:44:39 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsReally solid

Pros: Small simple design. Price. DOCSIS 3.0

Cons: No stand, must be laid horizontally unless you place it in between books or something. Only 4 channel bonding. Will max out @ 131mb/s. Not a huge deal as Comcast doesn't bond 8 channels just yet anyway. DOCSIS 3.1 is apparently on the horizon.

Other Thoughts: I bought this modem 10 months ago and had mixed results. I have Comcast and pay for the blast internet. My event log was flooded with weird errors day and night. I sent my first modem back thinking it was a hardware issue. Zyxel (hitron) gladly sent me a new one. The new one had the same issues of up and down internet. Finally as of last week Comcast replaced my line from the telephone pole because they found that the old one was completely rotted to the core (literally!). Since the new drop was made, not a single hiccup and I get 125mb/s down and 12 up. No errors in 3 days. Give this modem a try!

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Item#: 9SIA24G1E30519
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