Designing Compelling Worm Sanctuaries/Chapter 4

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Source document(s): See Green book

Chapter 4: Worm Computers


It is almost impossible these days to avoid technology. Computers provide constant, consistent measurement and monitoring services unparalleled to that of a human. Computers have significantly advanced worm operations over the past 20 years, and will continue to do so as worm technology improves.

While operation will not be covered, we will describe the components that make up a typical worm computer to ease maintenance, installation, and tear down.

Obtaining System Status

Code 33330 provides a major system status report. It is important to make sure that all systems that are needed report okay. Open an MX-TICKET if any errors are detected.

System Status Codes

Battery

Ample battery is required for the monitoring of wormery operations. Voltage will be presented. Please Visit SOC table to determine further battery status. System will indicate if further investigation is warranted.

Power

Power indicates system is receiving the proper level of power after voltage regulation.

Rectifier

Rectifiers are only used in AC applications, which are rare.

Door

Indicates position of maintenance door. This should not fail unless maintenance operations are in progress.

Temperature

Indicates interior system temperature is within limits.

Ambient Temperature

External temperature measurement will alarm if too hot or too cold.

Message Port

Indicates radio receiver self check passed. Does not report on successful reception.

Network

Backhaul network and monitoring system.

Software

Indicates firmware checksum and runtime is in proper operation.

Password

Password should remain off. This feature is not typically used.

Battery Systems

Before you can maintain your battery system, you will need to determine the system voltage. Size of the system depends heavily on environmental conditions, as well as portability, location, and other requirements.

12 Volt System

These voltage systems are typically deployed in remote locations where size and portability are key. These systems may require as little as one battery. Multiple batteries wired in parallel can increase system runtime between dark periods and recharge cycles. System batteries intended for 12 volt operation are marked in yellow.

24 Volt System

These systems are uncommon on land but may be found in marine worm systems. Batteries can be found as 12 volt batteries in a series–parallel configuration, as well as single 24 volt battery systems.

48 Volt System

These systems are most commonly used in permanent installations and typically will not found in the field. Please request 48VDCBANK—DOC from your MDESK.

NOTE: While there are many battery systems you may encounter, focus will be placed on the most common installation: 12VDC battery.

Battery Inspection

Inspect terminals for corrosion. Inspect battery lines for breaks and other defects. Insure that batteries are properly covered from being exposed to the elements. Determine water level of lead acid type batteries and refill if necessary. When in doubt, throw it out.

Important information

Serious battery alarms will be indicated by verbal announcement on line connection.

Measuring SOC

State of Charge in Lead Acid battery designs can be performed with a simple voltage desk. Voltage may change under load.

Charge Percentage Reported Voltage
100 12.7 and above
90% 12.5
80% 12.42
70% 12.32
60% 12.20
50% 12.06
40% 11.9
30%* 11.75
20%* 11.58
10%** 11.31
0%** 10.5

* Contact MDESK or OPDESK with code BATTERY SIGMA OMEGA CHARLIE for instructions as battery may be damaged.

** Battery most likely damaged, must be replaced.

EXIDE DUAL AGM

EP 450

UHF Radio Transceiver

UHF radio transceiver equipment is connected to a high gain directional UHF satellite antenna in most implementations. While channel configuration can be set within agent system remotely, UHF antenna must be properly oriented in order to receive satellite signals.

Adjust antenna azimuth and polarization, and check signal strength with 33350.

Adjust channel to proper channel within radio handbook using 33336, verify channel setting with 33340.

NOTE: Wait specified waiting period within radio handbook before adjusting to additional channels, as satellite may not be in view.

NOTE: Never make adjustments to radio receiver hardware. If defective, replace module with new radio module per operations direction.

NOTE: Disconnection of UHF Radio Transceiver outside a maintenance window can cause loss of life and property. Always perform work within a maintenance window.

Disarming Security System

On approach, disarm security system immediately using assigned authorization code. A maximum of three attempts can be made to disarm security system.

Enter code, and press # key to push authorization code to security system for disarm.

#6391 (something faint follows)

Disarm sequence is successful if three pleasant ascending tones are heard.

Remote disable alarm is denoted by a train of long, unpleasant tones.

WARNING: If remote disable sequence is initiated, stand back 1000 feet or greater.

Avoid assumptions. Consult DOC-SEC-AS-0001 for details.

Communication Module(s)

Communication modules provide inbound telephony access to agent system. Insure correct power supply and operation. Verify signal on radio-based communication modules.

Replacing A Communication Module

  1. Power down communication module
  2. Disconnect power supply
  3. Disconnect aural interface
  4. Disconnect control interface
  5. Replace module
  6. Connect control interface
  7. Connect aural interface
  8. Connect power supply
  9. Power on communication module
  10. Test communication modules

NOTE: Disconnection of all communications modules outside a maintenance window can cause loss of life and property. Always perform work within a maintenance window or disable secondary units only.

Code Storage Module(s)

Code storage modules provide a secure memory facility for storage of codes, messages and ciphers. In normal operation, code storage modules never need to be replaced. If code storage module must be replaced, contact Operations Desk for more details.

OTP Module

OTP module contains encryption codes used in Agent System to maintain security. OTP Modules are commonly rotated during Agent System use.

To replace OTP module, remove OTP card during maintenance window. Replace OTP card slot with new OTP card. Test agent system before end of maintenance window.

NOTE: Disconnection of OTP card outside a maintenance Window can cause loss of life and property. Always perform work within a maintenance window.

Zeus Spot Beam

A Zeus spot beam is used to provide timely information and keys to a highly directional, focused location for reception, typically using a commodity radio. Note that spot beams are extremely focused transmissions from orbital phased array elements. Seek the center of the beam. Zeus spot beam frequencies, timing and locations can be provided through message desk using the following codes.

Geo Code Group A Code Group B
North America Z747556 Z123948
South America Z553018 Z811709
Asia Z447907 Z296572
Australia Z404817 Z722915
Oceania Z368267 Z740776
Europe Z632385 Z616444
Antarctica Z264036 Z428101
Alaska Z644913 Z726201
South Pacific Z378143 Z715890
Indian Ocean Z878008 Z671190
Arctic Region Z573400 Z342157
Hawaii Z809331 Z273504

Zeus Spot Beam Response

/ZS/(Type)/!(LocationBlock)!/(Time)/(Frequency)/(Modulation)/(Beam)/(Notes)/

Value Description
Type Location block data type
Location Block Freeform field, start and stop with ! character
Time Time window in UTC format W5
Frequency Freeform field containing frequency
Modulation Freeform field containing modulation type
Beam Spot beam width in centimeters
Notes Freeform note field