Apple Lightning Connector
Lightning Receptacle View
Pin | Name | Description |
1 | GND | Ground |
2 | L0p | Line 0 positive |
3 | L0n | Line 0 negative |
4 | ID0 | Identification/Control 0 |
5 | PWR | Power |
6 | L1n | Lane 1 negative |
7 | L1p | Lane 1 positive |
8 | ID1 | Identification/Control 1 |
Lightning plug can be inserted in either direction.
Pair lanes (L0p/n and L1p/n) may swap in IC of device connector (lanes don't swap if accessory identification chip connect to ID0 pin)
Connector configurations
Pad | Config. A | Config. B | Config. C | Config. D |
| USB Host | USB Device | Serial | Power Only |
1 | Ground |
2 | USB D- | USB D- | Accessory Serial TX | USB D- |
3 | USB D+ | USB D+ | Device Serial TX | USB D+ |
4 | Device Power |
5 | Accessory Power |
6 | n.c. | n.c. | n.c. | n.c. |
7 | n.c. | n.c. | n.c. | n.c. |
8 | n.c. | n.c. | n.c. | n.c. |