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Router & Cable Modem on Virgin Media broadband

Router data throughput
Cable modem 200 Mbps down, 12 Mbps up
Upstream to CM (red line - max upload)
Downstream from CM
Router data upload to cable modem
Cable modem 200 Mbps down, 12 Mbps up
Upstream to CM
UKHost4u Web server connection
Upload time (0 means no connection)
Unzip time on server
Note the log vertical scale!
15-minute updates
RF signal levels  
DOCSIS 3.0 Cable Modem RF signal levels
RX+20dB plotted as nominal level is 0 dBmV

Upstream: 31..54 dBmV acceptable (2 upstream)
< 49 dBmV and stable acceptable (4 upstream)

Downstream: -5..+10 dBmV acceptable see here
-3..+8 dBmV optimal
(displayed as +17 to +28 dBmV)
DOCSIS 3.0 Cable Modem
Downstream SNR (dB)

Acceptable: >= 34.5 dB
Router internals  
TL-WR1043ND router running DD-WRT

Router memory usage
Used
Total
Router CPU usage

Other periods: day week month year

Configuration

 
 
 
 

16-port
switch

            

Windows PCs
Raspberry Pi
 
 
 
SamKnows
monitoring
box


White box
 unknown
maker 
LeoNTP
time-server
 
200/12 Mbps
 Cable Internet 
 
VirginMedia 
Superhub 2
 Modem mode 

Netgear
VMDG485
CG4000TD

Pegatron
ACM6234
Router




TP-Link
  TL-WR1043ND
Ayecka #1 & #3
Management port
8-port
switch
 
Windows PCs
 Wi-Fi access point 
Ayecka #2
Management port
 

 

 
Copyright © David Taylor  Edinburgh SatSignal home page Last modified: 2017 Oct 19 at 13:17:49