DC Power Wiring
Connect 10 - 30 VDC to the VT-MODEM-5 as shown below. The modem can be powered from any industrial DC power supply such as the SIXNET ST-PS-024-02N, VT-PS-024-01N or equivalent. All the screw terminals should be tightened to a maximum of 3.48 in-lbs.
Telephone Cable
Connect phone lines to the RJ11 jacks as appropriate. One RJ-11 jack is provided to connect directly to a telephone (optional) and the second RJ-11 jack functions as the connection to the telephone network.