This is a wireless network protocol used by low power and low data devices.
ZigBee
*66
Activate Repeat Dial
The first Comcast Cares Day took place this year.
2001
This is the ZigBee wireless standard.
802.15.4
This is the theoretical temperature equivalent to the absolute absence of heat and equal to -273.15C, -459.67F, or 0K
Absolute Zero
CMS
Centralized Monitoring Station
*74
Activate Speed Dial 8
Comcast University hosted it's first class this year.
1999
Garage door openers by this company are compatible with Xfinity Home.
Chamberlain
Standard wavelength for RFoG upstream.
1610nm
This is how often a ZigBee device sends a check-in or heartbeat message to the touchscreen.
Every 27 Minutes
*87
Deactivate Anonymous Call Rejection
Comcast acquired AT&T Broadband in this year.
2002
The touchscreen has a built-in siren with an output of this.
85 dB at 10 feet
These are the (4) types of AC Waveforms
Sine, Square, Quasi-Square, Sawtooth
These are the XH Touchscreen statuses and their colors.
Green-Disarmed, Amber-Sensor Faulted, Red-Armed
*63
Activate Call Forwarding Selective
Internet Essentials launched this year.
2011
ZigBee has a typical range of this.
10-75 meters (33-246 feet)
Ear protection must be worn when noise level is above this and can't be reduced.
90dBA
Door locks by these (3) companies are compatible with Xfinity Home.
Kwikset, August, Yale
*96
Activate Three-Way Calling
Microsoft invested $1 billion in Comcast in this year.
1997
Motion sensors should be installed at this height to avoid pets from triggering them.
7 feet
This is the speed an RF waveform travels in free space.
Speed of Light