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| Description : | 1. TLP-4 protects the telephone lines from the Central Office (CO) premises up to the pay phone unit from possible misuse or unauthorized line access. 2. TLP-4 line protection unit. |
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| Specification : | 1. TLP-4 can be protected against 4 payphones. 2. TLP-4 can be protected against thunderbolt. 3. TLP-4 will not attenuate or cause any distortion of other signals such as dial tone, busy tone, ring tone, and the information between payphone and remote management system. 4. One LED per line for status and errors indication. 5. When the TLP-4 detected the line tapping, it will cut that line off. 6. Two selections for periodical or triggered by metering signal (option) in payphone authentication. 7. Polarity reversal metering detection. 8. 16/12 KHz metering detection (option). 9. DTMF dialed number detection (option). 10. Two ways DOV authentication (option). |
| Company Name: | Taiwan Telecommunication Industry Co., Ltd. |
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| Contact Person: | Mr. Stephen Chen
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| Address: | No. 22, Sec.3, Chung-Shan N. Rd., Taipei City 104, Taiwan |
| Telephone: | 886-2-25963788 |
| Fax: | 886-2-25988795 |
| Web Site: | http://www.ttic.com.tw/ |
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