# 19xx - AD - WBSPS - AD - Microcom II 003.jpg
Wiki page: [Advertisements](../PAGES/Advertisements.md)


- **Year:** unknown (unknown)
- **Type:** advertisement / brochure / press
- **About:** microCOM, microCOM II

## Text recovered by OCR

> The Central Matrix Monitoring and Test Facilities Each terminal is inherently capable of verifying complete system operation through self assignment at the local keypad. This test confirms terminal function , interconnect cabling, and matrix operation . Three additional test and monitoring facilities are available for use at the central matrix . The M7890 audio terminal provides the system with method of injecting a test signal (tone or voice) on any input bus. The terminal then closes any crosspoint on that input bus and monitors the resulting output from the matrix, confirming the complete signai path on both the meter and speaker: The M777A logic monitor permits realtime observation of the operation Of all crosspoints on a selected output bus: The output bus to be observed is selected by means of a thumbwheel switch . The M7720 voltage monitor scans the output of all system power supplies, comparing each against preset upper and iower limits, and triggers visible and audible alarm in- dicators if these limits are exceeded: The MicroCOM II central matrix is configured using modular blocks each with 24 balanced audio inputs and 24 balanced audio outputs. Each block, housed in its Own mounting frame; is interconnected as module to configure matrices to sizes as great as 960 X 960. This design philosophy offers several major advantages: Small systems can accommodated, then expanded when required _ Only active crosspoints need to be installed: Cooling is achieved by natural convection_ No fans are required. Servicing of any component can be quickly effected by exchang ing modules: Changes and additions can be made while the system is active: Customizing for specific applications is greatly simplified. Accessory options are easily fitted in to the system . Crosspoints are controlled by the microprocessor based control system . Each 24 X 24 block is buffered through a latching module which selects and holds on the number of crosspoints required within the matrix block: The matrix mounting frame is configured in [WO ways, either as pure matrix block or as an IFB_ 16 bit processors in all the central matrix microcontrollers greatly enhance the operating speed of the system_ Data from each group of 24 terminals processed by transmithreceive multiplexer and input microcontroller: Instructions from this pair of modules are then passed to appropriate output microcontrollers Each output microcontroller directs the operation of crosspoints for 24 output buses. Since the crosspoint control data is being refreshed continuously from the terminals, data storage within the matrix control system is not required in the event of a power interruption . Upon power recovery; system controllers automatically reset, cycle through diagnostic routines, and restart normal system operation. Power supplies are modular and plug-in, and may be supplied in a dual redundant configuration with auto/manual load transfer: Quad buffer amplifiers: Audio test mionitor (CTinal: Logic mo
- **Original file:** `WBSps.env/PUBLIC/RAW Photos/ADVERTISEMENTS/WBSPS - AD - Microcom II 003.jpg`
- **SHA-256:** `8152949ad7332f9b44525b49102fe0ac162c60956ef91c2580f29b7a6a4d40cb`
- **Size:** 10,154,724 bytes
- **Pages:** 1

## Full text

### Page 1 (OCR, spell-checked: 6 words corrected)

```text
The Central Matrix
Monitoring and Test Facilities Each terminal is inherently capable of verifying complete system operation through self assignment at the local keypad. This test confirms terminal function , interconnect cabling, and matrix operation . Three additional test and monitoring facilities are available for use at the central matrix . The M7890 audio terminal provides the system with method of injecting a test signal (tone or voice) on any input bus. The terminal then closes any crosspoint on that input bus and monitors the resulting output from the matrix, confirming the complete signal path on both the meter and speaker: The M777A logic monitor permits realtime observation of the operation Of all crosspoints on a selected output bus: The output bus to be observed is selected by means of a thumbwheel switch . The M7720 voltage monitor scans the output of all system power supplies, comparing each against preset upper and power limits,  and triggers visible and audible alarm in- dicators if these limits are exceeded:
The MicroCOM II central matrix is configured using modular blocks each with 24 balanced audio inputs and 24 balanced audio outputs. Each block, housed in its Own mounting frame; is interconnected as module to configure matrices to sizes as great as 960 X 960. This design philosophy offers several major advantages: Small   systems can accommodated, then   expanded   when required _ Only active crosspoints need to be installed: Cooling is achieved by natural convection_ No fans are required. Servicing of any component can be quickly effected by exchange ing modules: Changes and additions can be made while the system is active: Customizing for specific applications is greatly simplified. Accessory options are easily fitted in to the system . Crosspoints are  controlled by the  microprocessor based control system . Each 24 X 24 block is buffered through a latching module which selects and holds on the number of crosspoints required within the matrix block: The matrix mounting frame is configured in [WO ways, either as pure matrix block or as an IFB_ 16 bit processors in all the central matrix microcontrollers greatly enhance the operating speed of the system_ Data from each group of  24 terminals processed by transmithreceive multiplexer and input microcontroller: Instructions from this pair of modules are then passed to appropriate output microcontrollers Each output microcontroller directs the operation of crosspoints for 24 output buses. Since the crosspoint control data is being refreshed continuously from the terminals, data storage within the matrix control system is not required in the event of a power interruption . Upon power recovery; system   controllers   automatically reset, cycle   through  diagnostic routines, and restart normal system operation. Power supplies are modular and plug-in, and may be supplied in a dual redundant configuration with auto/manual load transfer:
Quad buffer amplifiers:
Audio test monitor (CTinal:
Logic monitors:
PC Assignment Computer
Central matrix modular blocks
A PC assignment computer may be connected to the MicroCOM system for the purpose of making changes or redefining: Matrix bus code mnemonics. Matrix bus control attributes. Terminal keypad prefix codes. Assignment to terminal keyswitch functions: Setting, crosspoint assignments (electronic, software, control- ed pegboard) _ Storage of keyswitch and crosspoint assignments. The assignment computer may be any IBM PC compatible unit, equipped with a standard RS232C data port operating at 1200 baud. Assignment functions may be stored on standard 3'/2 - and 5l/4- floppy disks The menu driven operating system software may be used for off line editing and storage of assignment functions. Downloaded information from the assignment computer is stored in the central matrix control system or at the communications terminals. Assignment changes may be made at any time without disturbing the operation ofthe system . Subsequent to the transfer of assignment data the computer may be disconnected and used for other purposes.
IBM compatible PC for central system reconfiguration_
Microcontrollers.
Dual redundant power supplies
IBM
trademark of International Business Machines
13
```

<details><summary>As read by the OCR</summary>

```text
The Central Matrix
Monitoring and Test Facilities Each terminal is inherently capable of verifying complete system operation through self assignment at the local keypad. This test confirms terminal function , interconnect cabling, and matrix operation . Three additional test and monitoring facilities are available for use at the central matrix . The M7890 audio terminal provides the system with method of injecting a test signal (tone or voice) on any input bus. The terminal then closes any crosspoint on that input bus and monitors the resulting output from the matrix, confirming the complete signai path on both the meter and speaker: The M777A logic monitor permits realtime observation of the operation Of all crosspoints on a selected output bus: The output bus to be observed is selected by means of a thumbwheel switch . The M7720 voltage monitor scans the output of all system power supplies, comparing each against preset upper and iower limits,  and triggers visible and audible alarm in- dicators if these limits are exceeded:
The MicroCOM II central matrix is configured using modular blocks each with 24 balanced audio inputs and 24 balanced audio outputs. Each block, housed in its Own mounting frame; is interconnected as module to configure matrices to sizes as great as 960 X 960. This design philosophy offers several major advantages: Small   systems can accommodated, then   expanded   when required _ Only active crosspoints need to be installed: Cooling is achieved by natural convection_ No fans are required. Servicing of any component can be quickly effected by exchang ing modules: Changes and additions can be made while the system is active: Customizing for specific applications is greatly simplified. Accessory options are easily fitted in to the system . Crosspoints are  controlled by the  microprocessor based control system . Each 24 X 24 block is buffered through a latching module which selects and holds on the number of crosspoints required within the matrix block: The matrix mounting frame is configured in [WO ways, either as pure matrix block or as an IFB_ 16 bit processors in all the central matrix microcontrollers greatly enhance the operating speed of the system_ Data from each group of  24 terminals processed by transmithreceive multiplexer and input microcontroller: Instructions from this pair of modules are then passed to appropriate output microcontrollers Each output microcontroller directs the operation of crosspoints for 24 output buses. Since the crosspoint control data is being refreshed continuously from the terminals, data storage within the matrix control system is not required in the event of a power interruption . Upon power recovery; system   controllers   automatically reset, cycle   through  diagnostic routines, and restart normal system operation. Power supplies are modular and plug-in, and may be supplied in a dual redundant configuration with auto/manual load transfer:
Quad buffer amplifiers:
Audio test mionitor (CTinal:
Logic monitors:
PC Assignment Computer
Central matrix modular blocks
A PC assignment computer may be connected to the MicroCOM system for the purpose of making changes or redefining: Matrix bus code mnemonics. Matrix bus control attributes. Terminal keypad prefix codes. Assignment to terminal keyswitch functions: Setting, crosspoint assignments (electronic, software, controll- ed pegboard) _ Storage of keyswitch and crosspoint assignments. The assignment computer may be any IBM PC compatible unit, equipped with a standard RS232C data port operating at 1200 baud. Assignment functions may be stored on standard 3'/2 - and 5l/4- floppy disks The menu driven operating system software may be used for off line editing and storage of assignment functions. Downloaded information from the assignment computer is stored in the central matrix control system or at the communications terminals. Assignment changes may be made at any time without disturbing the operation ofthe system . Subsequent to the transfer of assignment data the computer may be disconnected and used for other purposes.
IBM compatible PC for central system reconfiguration_
Microcontrollers.
Dual redundant poweer supplies
IBM
trademark of International Business Machines
13
```

</details>

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     "box": [
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    },
    {
     "code": "system for the purpose of making changes or redefining:",
     "box": [
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     ]
    },
    {
     "code": "Power supplies are modular and plug-in, and may be supplied in a",
     "box": [
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    },
    {
     "code": "Matrix bus code mnemonics.",
     "box": [
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     ]
    },
    {
     "code": "dual redundant configuration with auto/manual load transfer:",
     "box": [
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      0.637
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    },
    {
     "code": "Matrix bus control attributes.",
     "box": [
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      0.637
     ]
    },
    {
     "code": "Terminal keypad prefix codes.",
     "box": [
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      0.8709,
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     ]
    },
    {
     "code": "Assignment to terminal keyswitch functions:",
     "box": [
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      0.9236,
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     ]
    },
    {
     "code": "crosspoint assignments (electronic, software, controll-",
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     ]
    },
    {
     "code": "ed pegboard) _",
     "box": [
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      0.8145,
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     ]
    },
    {
     "code": "Storage of keyswitch and crosspoint assignments.",
     "box": [
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      0.9427,
      0.7089
     ]
    },
    {
     "code": "The assignment computer may be any IBM@ PC",
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     ]
    },
    {
     "code": "compatible unit,",
     "box": [
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     ]
    },
    {
     "code": "equipped with a standard RS232C data port operating at 1200",
     "box": [
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    },
    {
     "code": "baud. Assignment functions may be stored on standard 3'/2 -",
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    },
    {
     "code": "and 5'/4-",
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     ]
    },
    {
     "code": "disks",
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    },
    {
     "code": "The menu driven operating system software may be used for off",
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    },
    {
     "code": "line editing and storage of assignment functions.",
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    },
    {
     "code": "IBM compatible PC for central system reconfiguration_",
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      0.705,
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    },
    {
     "code": "Downloaded information from the assignment computer is stored",
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     ]
    },
    {
     "code": "in the central matrix control",
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    },
    {
     "code": "system or at the communications",
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    },
    {
     "code": "terminals. Assignment changes may be made at any time without",
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    },
    {
     "code": "disturbing the operation ofthe system . Subsequent to the transfer",
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    },
    {
     "code": "Microcontrollers.",
     "box": [
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     ]
    },
    {
     "code": "of assignment data the computer may be disconnected and used",
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     ]
    },
    {
     "code": "for other purposes.",
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     ]
    },
    {
     "code": "Dual redundant poweer supplies",
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     ]
    },
    {
     "code": "IBM",
     "box": [
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     ]
    },
    {
     "code": "trademark of International Business Machines:",
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      0.9741,
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     ]
    },
    {
     "code": "13",
     "box": [
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     ]
    },
    {
     "code": "great",
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    },
    {
     "code": "path",
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     ]
    },
    {
     "code": "system.",
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     ]
    },
    {
     "code": "bus:",
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     ]
    },
    {
     "code": "being",
     "box": [
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     ]
    },
    {
     "code": "Setting,",
     "box": [
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     ]
    },
    {
     "code": "floppy",
     "box": [
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     ]
    }
   ]
  }
 ]
}
```