	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 levels and SNR
	DOCSIS 3.0 Cable Modem RF signal levels Upstream: 31..54 dBmV acceptable (2 upstream) < 49 dBmV and stable acceptable (4 upstream) RX+20dB plotted as nominal level is 0 dBmV Downstream: -5..+10 dBmV acceptable see here -3..+8 dBmV optimal (displayed here as +17 to +28 dBmV)
	DOCSIS 3.0 Cable Modem downstream Downstream MER (dB) Acceptable: >= 34.5 dB Active downstream count (normally 8)
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