Pin assignments of Serial connecter
Pin number | Signal name |
Signal description |
||
1 |
HSKo |
Handshake output. Vh=3.6V; Vl=-3.6V; Rl=450Ħ | ||
2 |
HSKi |
Handshake input. Vh=0.2V; Vl=-0.2V; Rl=12KĦ | ||
3 |
TxD- |
Transit data (inverted), Vh=0.2V; Vl=-0.2V; Rl=12KĦ | ||
4 |
GND |
Signal ground | ||
5 |
RxD- | Receive data (inverted), Vh=3.6V; Vl=-3.6V; Rl=450Ħ | ||
6 |
TxD+ | Transit data, Vh=3.6V; Vl=-3.6V; Rl=450Ħ | ||
7 |
GPi | General-purpose input, Vh=0.2V; Vl=-0.2V; Rl=12KĦ | ||
8 |
RxD+ | Receive data, Vh=0.2V; Vl=-0.2V; Rl=12KĦ | ||
9 | PWR | +5V (modem port only) |