Specification of ProGate cable. (For ProGate HW 3 Generation)
1. Port pin map
Port of ProGate cable is 9Pin D-sub. (Below is in-side view of cable and out-side view of ProGate)
|1||UART(PG Rx)||Uart's rx of ProGate|
|2||UART(PG Tx)||Uart's tx of ProGate|
|3||Rx(Line-in)||ProGate's line-in. (* Notice : Max volt is 5V.)|
|4||Rx(FM-in)||(This pin would be removed in next version.) ProGate's FM-in. (* Notice : Max volt is 5V.)|
|5||Tx||ProGate's right speaker|
|7||PTT(On)||When PTT out is on, PTT(On) and Base are linked.|
|8||Base||Base line of PTT out switch|
|9||PTT(Off)||(This pin would be removed in next version.) When PTT out is off(Normal status), PTT(Off) and Base are linked.|
2. Inside of ProGate
3. PTT-OUT switch operation
ProGate has a switch for PTT out. In normal status, PTT(Off) and Base are linked. But if PTT out is on, PTT(On) and Base are linked.
PTT out switch is similar with a physical PTT button. Developer can make a situation PTT button pressed by using PTT out switch.