3.LINE/TRUNK CIRCUIT CARDS
Table
| Table | Functional Outline of Line/Trunk Circuit Cards | |
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CARD NAME | FUNCTIONAL |
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NAME |
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AMP |
| This card is equipped with the functions of Echo Canceller (EC), Automatic Gain | |
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| Controller (AGC) and Tone Disabler (TD). |
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| function. |
AUC |
| Line resistance in the case of a | |
| the internal resistance of the distant office equipment) | ||
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| This card is internally equipped with a |
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| This card can also be used as a |
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| Conference Trunk card |
CFT |
| Use of one card: Can control a conference of up to six participants. | |
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| Use of two cards:Can control a conference of up to ten participants. |
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COT |
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| the functions for loop detection, sending/detecting ground on Ring/Tip wire. | ||
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COT |
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| for loop detection, receiving/sending the CALLER ID (CLASS SM) signal. | ||
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DAT |
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| Duration: Max. 60 seconds. | ||
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| Circuit card for External Relay Control/External Key Scan. |
DK |
| This card is provided with eight circuits, and can provide the | |
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| control functions on a per circuit basis. |
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DIT |
| This card is equipped with the function for loop detection, sending reverse signal | |
| and PB to DP signal conversion. | ||
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| This card is internally equipped with |
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DLC |
| This card is equipped with quick diagnostics to detect short line conditions and | |
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| the normality (Synchronous/Asynchronous) of the terminal. |
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| This card is internally equipped with a |
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DLC |
| This card is equipped with quick diagnostics to detect short line conditions and | |
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| the normality (Synchronous/Asynchronous) of the terminal. |
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| This card is internally equipped with |
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DLC |
| This card is equipped with quick diagnostics to detect short line conditions | |
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| and the normality (Synchronous/Asynchronous) of the terminal. |
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| This card is internally equipped with a |
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CHAPTER 2 |
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Page 6 |
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Revision 2.0 |
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