JPL Geni BL-10 (+P) - Universal Connection Lead

The Geni lead is perfect for offices where there are more than one type of phone system in use - the Geni lead comes with a compatibility switch which allows you to adjust to the correct type of handset quickly, rather than having to have two separate leads for your phones.

Simple 8-position slide adjustment No need for a user manual Simply slide until a dial tone is heard Standard RJ11 connector connects to virtually all telephones using a standard modular plug Standard Plantronics Disconnect plug to headset.

Works with any Plantronics headset equipped with quick disconnect Built-in low-current microphone amplifier enables perfect operation with telephones that require extra signal gain AC Output Voltage: 30mV Insertion Gain 11.5dB Nom Min 10.5dB : Max 12.5dB Bias Voltage: 1.58v DC Nom , Min 1.53v DC : Max 1.76v DC Bias Voltage: 1.49v DC Nom, Min 1.38v DC : Max 1.71v DC.