Pin mapping from modem(26pin) to 25 pin Sub-
source | dst | signal |
---|---|---|
1,2,3 | → 4,16 | EXT_PWR |
4,5,6 | → 3,17 | EXT_GND |
7 | → 1 | ON/OFF |
10,13,20,23 | → 14,23,25 | SIG_GND |
11 | → 9 | S_TX (Serial Data into SBD) |
12 | → 13 | S_RX (Serial Data out) |
14 | → 10 | DCD |
15 | → 21 | DSR |
16 | → 22 | CTS |
17 | → 7 | RI |
18 | → 8 | RTS |
19 | → 19 | DTR |
24 | → 24 | network_available |
8,9,21,22,25,26 n.c. |