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It's input in- cludes direct current blocking and is ring tolerant. Indicators Two LED’s are located on the front of the SPS325. The ON LED indicates the presence of 24vdc power. The SIGNAL LED indicates the presence of audio.
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Connect your input signal wire to pair 1 (marked GR and RD) on the jack block. Connect one end of the modular cord to the jack block, and the other end to the jack on the SPS325. Operating Plug the power supply into a 120v 60hz wall outlet.
1ea. MA21 cable - 14ft length. Modular plug on each end. 1ea. Power cord - 6ft length. 2 conductor wire to stripped ends. 1ea. Jack block: Surface mount 6-position 4-conductor modular jack to 4 screw terminals. Published with permission on 29-Jun-04 for Avaya.