That tan cable is probably thinner than the other black or white RG-6 cables. By looking at it, you'll probably be able to see that its a thinner cable which would indicate that its an RG-59 cable. RG-6 is the preferred cable. What you could do is pull the wallplate off of the wall upstairs and see if there is any specs printed on the cable jacket at that end. I'm still guessing thats an RG-59 cable, just from the colour itself.
Ok, looking around for the MoCA filter specs, it looks like the Antronix filter should be the preferred filter. You should see a pass band and Rejection band number set on those filters.
The Antronix GLF-1002 filter Rejection band runs from 1125 to 2005 Mhz, which is good for MoCA 2.0.
The Holland electronics MPOE-TM looks like a discontinued product and appears to have a Rejection band that runs from 1125 to 1525 Mhz, which is only good for MoCA 1.1 In theory, at the upper frequency range, the rejection loss should continue or drop even further, so you should be fine with that filter. I can't find any archived data on that filter for some reason. I'll have a look around later tonight.
There is a newer version of the Holland Electronics filters, specifically the MoCA-IHF and MoCA-CM. The MoCA-CM has a higher rejection loss in the 1125 to 2000 Mhz range. Both of those are rated up to 3000 Mhz. Given a choice, the MoCA-CM is the better selection, however, if you have one or two of the Antronix MoCA filters on hand, I'd use those. If not, put the Antronix filter on the main line and the Holland Electronics MoCA filter on the Modem itself, as you're probably going to be using that modem line for MoCA ops. So, the filter, located at the modem will protect the modem from any MoCA signals.
Edit: For now I'd disconnect the amplifier completely, move one of the MoCA filters and install it on the modem and connect the modem cable to the splitter, first try the 3.5 dB port. Lets see what happens to the upper frequencies. I suspect that with that tan cable, you're going to take a real hit in terms of signal loss at the upper frequencies that MoCA 2.0 uses. That will drop the data rates with those adapters, not due to the adapters themselves, but due to the signal loss in that cable at higher frequencies.
Here's the product sheet for the MPOE-TM filter:
https://www.techtoolsupply.info/manuals/hol-mpoe-tm.pdf
which comes from this page:
https://www.techtoolsupply.com/Holland-MoCA-POE-Filter-p/hol-mpoe-tm.htm
Here's the newer filters from Holland Electronics:
http://www.hollandelectronics.com/pdf/MoCA-Series-Filters-1.6.pdf
None of those filters are suitable for DOCSIS 3.1 which requires a pass band up to 1218 Mhz. For now, don't worry about it as that frequency extension probably won't happen for a while.
- last edited on by
RogersMoin
UPDATE:
Hi there, thanks again for spending all those time typing and explaining everything to me, thank you so much.
Also, I found the other side of the "tan color cable" upstairs in THREE rooms (all of them has the tan color cable),
but the writing is still no clear, I can only see PARTIAL of the writing on the cables, sorry 😞
(cable from one room has writing "property of shaw cable Belden-T YV29895 SER....", can't see the rest)
(cable from another room has the writing in the following pictures) That's all I got.
And I am assuming that these "tan color" cables are not for the internet? I tried to connect the modem with them, no internet connection.
I'm assuming that you might be in an older home? If so, then those tan cables make sense, as they were installed for analogue tv signals. Time has passed by, analogue tv is gone and now everything is digital.
The RG-59 cables have about 1.4 to 2 db higher loss than RG-6 cables, which isn't very much. The bigger problem is that the center copper conductor is smaller and there isn't anywhere near the amount of shielding around the dielectric that surrounds the copper center conductor. So, the lesser amount of shielding makes the cable more susceptible to external interference.
However, it is what it is and if there isn't a way to snake another cable upstairs from the electrical panel, then you'll have to judge whether all of the effort is worth it, when its up and running. For now, I'd say carry on and lets see what the final product looks like. It will work, but, it won't work to the same level as if you had RG-6 cabling throughout the home.
Here' a chart that shows the losses in RG-59, RG-6 and the heavier RG-11 cabling. Your main interest at this point is in the 1125 to 1675 Mhz range. Those losses are for 100 Foot or 100 Metre lengths of cable:
https://www.multicominc.com/wp-content/uploads/Attenuation.pdf
To determine which tan cable is which (upstairs and downstairs), you can use something like the following ethernet and cable tester:
https://www.amazon.ca/Southwire-Tools-Equipment-M550-Continuity/dp/B01ADWQ94A
Edit: for those two bottom pictures, if you loosed up that bottom clip at the back of the electrical box, you could probably pull out more of that cable to see what else is printed on the cable jacket. This looks like Belden e108998 coac cable. Can't find the specs at the moment, so I'll have to search for this later. This is a coax cable correct? I've run across multi-conductor cable in my search which doesn't make any sense.
- last edited on by
RogersMoin
Hi there,
I removed the amplifier, below is the picture of the current setup and the tested information.
main line -> antronix poe filter -> antronix 3-way splitter 5-1002MHz CMC2003H
only one antronix poe filter was used, but I have a few more, do I need to use more?
Also, I have holland 3-way moca splitter (GHS-3PRO-M 5-1675MHz) and 4-way moca splitter (GHS-3PRO-M 5-1675MHz), should I use one of them instead?
Clear image link: https://ibb.co/xCdHhMn
Downstream Overview
| Port ID | Frequency (MHz) | Modulation | Signal strength (dBmV) | Channel ID | Signal noise ratio (dB) |
| 1 | 645000000 | 256QAM | -4.300 | 15 | 37.356 |
| 2 | 591000000 | 256QAM | -6.700 | 7 | 36.387 |
| 3 | 597000000 | 256QAM | -6.200 | 8 | 36.610 |
| 4 | 849000000 | 256QAM | -8.900 | 2 | 35.595 |
| 5 | 855000000 | 256QAM | -8.500 | 3 | 35.595 |
| 6 | 861000000 | 256QAM | -10.000 | 4 | 34.926 |
| 7 | 579000000 | 256QAM | -4.600 | 5 | 37.636 |
| 8 | 585000000 | 256QAM | -5.800 | 6 | 37.356 |
| 9 | 603000000 | 256QAM | -5.000 | 9 | 37.356 |
| 10 | 609000000 | 256QAM | -5.800 | 10 | 37.356 |
| 11 | 615000000 | 256QAM | -5.300 | 11 | 37.636 |
| 12 | 621000000 | 256QAM | -4.600 | 12 | 37.636 |
| 13 | 633000000 | 256QAM | -4.700 | 13 | 37.356 |
| 14 | 639000000 | 256QAM | -4.700 | 14 | 37.356 |
| 15 | 279000000 | 256QAM | -1.800 | 1 | 37.356 |
| 16 | 651000000 | 256QAM | -4.300 | 16 | 37.636 |
| 17 | 657000000 | 256QAM | -6.300 | 17 | 36.610 |
| 18 | 663000000 | 256QAM | -5.400 | 18 | 37.636 |
| 19 | 669000000 | 256QAM | -4.500 | 19 | 37.356 |
| 20 | 675000000 | 256QAM | -5.800 | 20 | 37.356 |
| 21 | 681000000 | 256QAM | -6.400 | 21 | 36.610 |
| 22 | 687000000 | 256QAM | -5.600 | 22 | 37.356 |
| 23 | 693000000 | 256QAM | -5.400 | 23 | 37.356 |
| 24 | 699000000 | 256QAM | -6.100 | 24 | 37.356 |
| 25 | 705000000 | 256QAM | -6.200 | 25 | 37.356 |
| 26 | 711000000 | 256QAM | -6.200 | 26 | 36.610 |
| 27 | 717000000 | 256QAM | -6.600 | 27 | 37.356 |
| 28 | 723000000 | 256QAM | -7.500 | 28 | 36.387 |
| 29 | 825000000 | 256QAM | -9.500 | 29 | 35.084 |
| 30 | 831000000 | 256QAM | -7.700 | 30 | 36.610 |
| 31 | 837000000 | 256QAM | -7.400 | 31 | 36.610 |
| 32 | 843000000 | 256QAM | -8.800 | 32 | 35.595 |
OFDM Downstream Overview
| Receiver | FFT type | Subcarr 0 Frequency(MHz) | PLC locked | NCP locked | MDC1 locked | PLC power(dBmv) |
| 0 | NA | NA | NO | NO | NO | NA |
| 1 | 4K | 275600000 | YES | YES | YES | -3.200001 |
Upstream Overview
| Port ID | Frequency (MHz) | Modulation | Signal strength (dBmV) | Channel ID | Bandwidth |
| 1 | 30596000 | ATDMA - 64QAM | 35.500 | 1 | 6400000 |
| 2 | 38596000 | ATDMA - 64QAM | 39.500 | 3 | 3200000 |
| 3 | 23700000 | ATDMA - 64QAM | 33.500 | 2 | 6400000 |
OFDM/OFDMA Overview
| Channel Index | State | lin Digital Att | Digital Att | BW (sc's*fft) | Report Power | Report Power1_6 | FFT Size |
| 0 | DISABLED | 0.5000 | 0.0000 | 0.0000 | -inf | -1.0000 | 4K |
| 1 | DISABLED | 0.5000 | 0.0000 | 0.0000 | -inf | -1.0000 | 4K |
?? Wow, so that's main line > POE filter > Antronix Splitter > Cable modem
With the cable modem located in its normal location, so that you're using the tan cable to connect from the splitter, thru the walls to the modem location? Just want to be sure here. That's one heck of a drop connected thru the - 3.5 dB port.
Here's the spec sheet for the cable. If you were able to pull more of that cable out of the electrical box, then you should be able to match the jacket details to the Product Print Legend as shown in the Final Assembly area.
https://secure.libertycable.com/RUB_IMAGES/images/spec/BEL9118%20Specification.pdf
Edit: how were you intending to install the adapters? On the same cable that runs to the modem I presume? Or is there another cable present that you were intending to use?
That cable is an RG-6 cable, so, a large signal drop might signify a problem with the cable itself, somewhere in the walls. You should also inspect the cable ends to ensure that the center copper conductor is free and clear of any of the surrounding shield material, which would short out the copper conductor. If you disconnect that cable at both ends, you can clean off the center copper conductor with a piece of sandpaper or with a sharp knife. Typically a tech would cut the ends off and install a new connector on clean copper.
You only need to use two POE filters, one on the main line and one on the modem, located at the modem itself.
If you have the adapters onsite and you're ready to give this a go, you can swap out the Antronix splitter for either of the Holland splitters. You don't want to have any unused ports if that's possible.
Thinking aloud here, I'm wondering if there isn't a splitter buried in a wall somewhere. If you had a cable tester, I'd connect the one end to the downstairs cable, then run around upstairs testing all of the cables to confirm or deny that thought. You have somewhere around a 13 dB drop from downstairs to that last connection point, so, if that's upstairs, you should be seeing around a 5 dB drop, if that. So, there's another 7 dB drop or so, taking place for some reason.
So there's only one tan cable visible at the electrical panel, and more than one room upstairs with tan cabling present? Is the attic accessible to have a quick look for cabling, and / or is there any crawlspace anywhere or hidden closet that might just have some cabling running thru it?
