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Appendixes 145

[ATA] AUX In 3.5 mm Tip (Signal), Ring (NC) Sleeve (Ground) (TRS) jack

Frequency range 300 to 3.4 KHz

Input level -15 dBm nominal

Impedance greater than or equal to 10 K ohms input

AC coupling

[ATA] AUX Out 3.5 mm Tip (Signal), Ring (NC) Sleeve (Ground) (TRS) jack

Frequency range 300 to 3.4 KHz

Output level -15 dBm nominal

Output impedance less than or equal to 8 ohms

AC coupling

Deskset Headset Traditional corded handset jack type with 2-conductor wiring

Table 9. Technical Specifications (Continued)

Feature Specification

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AT&T Synapse Guide d'installation Page 146