Download Manual - TRS RenTelco
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Appendix A: Specifications Table A- 3: Input and Output Ports (Cont.) Characteristic Description DC Input Jack Connector 2.5 mm diameter, center conductor positive Instrument Module Interface (SPI Port) Connector Proprietary interface, 80-pin blind mate. 6 EIA/TIA-574 compliant. DTE interface with modem control lines. 7 Built-in speaker and microphone disabled when connected. 8 Compatible with Labtec C-322 headset. 9 Assumes 2 kΩ microphone impedance, Electret type. 10 Does not support disk formatting. Y350C NetTek Analyzer Platform User Manual A- 3