All the UREs from CDC 3D152
Point-to-point telephone access caused cabling issues
The invention of the multi-line telephone
Military communication requirements
Radio communication requirements
Series of magnetic patterns
Series of edited electrical patterns
Transferred current indents
Transferred voltage indents
Fast forward
Playback
Erasure
Rewind
Head-end
Trunk line
Receiver
Decoder
Provides security forces (SF) personnel a safe place to work
Keep wildlife out of the perimeter detection zone
Facilitate the detection of intruders
To present a physical and psychological deterrent to unauthorized entry
Ku, Ka
C, X
Ku, X
Ka, C
Cable manhole
Telecommunications cable closet
Building cable raceway
Cable vault
Magnet
Conductor
Electromagnet
Charged capacitor
Walking, running, rolling, crawling, or jumping through the line of detection
Wakling, runnig, rolling, crawling, or jumping outside the line of detection
Potential for intruder to bypass the system
Possibility of equipment failures
A medium scale switch that handles traffic for a small city
A very small scale switch that is also known as a key system
A large scale switch that handles the traffic for a metropolitan area
A small scale switch that handles internal calls for an organization
Verify the circuit is not in use
Prevent interruptions to critical circuits
Ensure dangerous voltages are not present on the line
Avoid activating alarm circuits
Gatehouse, vehicle parking area, and personnel entry gate
Gatehouse, personnel entry gate, inspection equipment, and vehicle entrapment area
Personnel entry gate, inspection equipment, backup generator, and gatehouse
Location for security personnel to perform shift change and receive their weapon
Ultrasonic
Microwave
Passive infrared
Daul-phenomenology
None
Tamper
Intruder
Equipment fault
Synchronization
Buffer overflow
Timing slips
Data speeds
Telephone lines
Television cable lines
Satellite systems
Laser light
Outage times
Reason for outage
Number of outages
Preempted outages
Lightwave
Microwave
Soundwave
Groundwave
Material can be edited generation after generation without noticeable degradation in quality
Material can be regenerated when the signal is converted to a different digital domain
The material recorded can be cloned with noticeable loss of quality
The recorded material can be converted to a different digital domain
Tape meter
Tracker
Counter
Display clock
Beam break
Signal fade margin
Multipath defelction
Dual-phenomena reflection
Subversion
Unauthorized monitoring
Inexperienced switch technicians
Inadequate maintenance practices
DMS-100 and Meridian System Logic (MSL)-100
DMS-100/200 and MSL-100
DMS-100/200 and DMS-200
DMS-200 and MSL-100
Journal file
Table control
Dump/restore
Pending order file
Encoder
Decoder
Multiplexer
Demultiplexer
Atmoshperic pressure
Propogation medium
Temperature
Moisture
No need for careful alignment of transmitter and receiver
Cannot penetrate even very thin curtains of paper
Sensitive to atmospheric interference
Strictly line-of-sight (LOS) transmission
2, 1
30, 2
1, 24
23, 1
2
4
6
8
Effects keyer
Effects preview multiplier
Effects program multiplier
Transition pattern generator
72
48
24
12
Daily
Weekly
Monthly
Annual
2,230
2,320
22,300
23,200
Basic rate interface
Primary rate interface
Trunk rate interface
Switch rate interface
Tape meter
Tracker
Counter
Display clock
Managed ethernet switch (MES)
Display and keyboard
Video converter
RBM server
A relatively wide range of frequencies
Only high frequency information
A relatively wide range of amplitudes
Only high amplitude information
DS-1
DS-30
DS-30A
DS-512
Line noise
Weather effects
Frequency distortion
Electromagnetic interference
4-quadraplex sideband (4-QSB)
8-vestigal sideband (8-VSB)
4-vestigal modulation (4-VM)
8-quadrature modulation (8-QM)
Provide the security forces personnel a safe working environment during night time errors
Identify wildlife inside the perimeter detection zone
Facilitate the detection and tracking of intruders
Present a means of deterring unauthorized entry
0.5
1
2
4
Stand alone
Client only
Gateway only
Gateway/client
Frequency
Power output
Bandwidth of the transmission medium
Distance between equipment and transmitter
Milstar Communication System
Defense Satellite Communications System (DSCS)
Air Force Satellite Communications (AFSATCOM)
Ground Mobile Forces Satellite Communications (GMFSC)
Phase shifted
Transmitted
Modulated
Encoded
Head-end
Trunk line
Receiver
Coax RJ-6
AN/GSS-42
AN/GSS-41
AN/GSS-29
AN/GSS-39
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