+5V, Dual Line RS-232 Transceivers
| Pin | Name | Type |
|---|---|---|
| 13 | C1+ | passive |
| 14 | C1- | passive |
| 12 | C2+ | passive |
| 15 | C2+ | passive |
| 11 | C2- | passive |
| 16 | C2- | passive |
| 2 | T1IN | input |
| 1 | T2IN | input |
| 3 | R1OUT | output |
| 20 | R2OUT | output |
| 7 | VCC | power_in |
| 6 | GND | power_in |
| 9 | GND | power_in |
| 8 | V+ | power_in |
| 10 | V- | power_in |
| 17 | V- | power_in |
| 5 | T1OUT | output |
| 18 | T2OUT | output |
| 4 | R1IN | input |
| 19 | R2IN | input |
