Spire Payments RJ11 Serial Cable and Pairing Cable
Spire Payments RJ11 Serial Cable and Pairing Cable for T4210, T4220, M4230,M4240 to connect from Spire router to either charging base or terminal. Required when pairing the M4240 bluetooth device, or to connect the terminal directly to the router/modem.
*The cable contains 6 pairs of wires. Do NOT confuse the cable for a standard phone/modem cable, which only has 2 pairs*