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| 1. | 
Model # TN790B | | A circuit pack designed to handle errors that are associated with circuit packs in R7....Read More
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$629.97
|  Detail Box
In Stock |
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| 2. | 
Model # D8AC | | Blue tipped interface cord. To connect a Definity 302C to a 26B 90 station DSS. Read More
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$36.75
| Detail Box
In Stock |
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| 3. |
Model # 106857543 | | Music-on-hold adapter/coupler used with System 75, System 85 and Definity telephone systems. Connects to trunk port on system to provide music-on-hold input....Read More
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$101.97
| Detail Box
In Stock |
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| 4. | 
Model # TN747 | | A circuit pack that interfaces with 8 CO Trunks. Read More
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$159.25
| Detail Box
In Stock |
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| 5. |
Model # 63118 | | Provides 4 trunk-type interfaces between the DEFINITY, System 75, System 25 and on-premises auxiliary equipment such as paging, dial dictation or music-on-hold. Supports one Auxiliary Trunk Interface (PE...Read More
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$208.97
| Detail Box
In Stock |
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| 6. |
Model # TN2224 | | Provides interface to 24 - 2 wire 6400 or 8400 series digital telephone stations....Read More
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$213.54
| Detail Box
In Stock |
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| 7. |
Model # TN464D | | Provides 24 channels for T1, DS1 or ISDN interface to digital facilities (not compatible with ICSU). Read More
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$234.38
| Detail Box
In Stock |
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| 8. |
Model # TN793 | | Provides interface to 24 - 2 wire standard analog telephones or other devices....Read More
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$429.97
| Detail Box
In Stock |
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| 9. |
Model # TN464F | | Primary Rate Interface card for Definity system G3 only....Read More
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$499.97
| Detail Box
In Stock |
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| 10. | 
Model # TN799 | | Provides interface to ethernet network. Read More
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$539.97
| Detail Box
In Stock |
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| 11. | 
Model # TN2793B | | The TN2793B installs in Category B only. It is a dual coded, analog line 24-port, that performs all the functions of the TN746B, 16-port analog line circuit pack. Each port supports 1 telephone, such a...Read More
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$999.97
| Detail Box
In Stock |
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| 12. |
Model # TN794 | | A network control/packet interface used in G3si....Read More
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$1,007.50
| Detail Box
In Stock |
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| 13. | 
Model # TN792 | | A duplication interface for high and critical reliability R7 or later systems....Read More
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$1,040.00
| Detail Box
In Stock |
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| 14. |
Model # CSU120A2 | | Channel Service Unit (CSU) module used with TN2464. Read More
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$1,095.97
| Detail Box
In Stock |
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| 15. |
Model # TN2464 | | Provides 24 channel (T1) and 32 channel (E1) digital line interface....Read More
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$1,899.97
| Detail Box
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