# HP48/HP95

(at the HP48).

Pin | Name | Dir | Description
--- | --- | --- | ---
1 | SHIELD |  | Shield
2 | TXD |  | Transmit Data
3 | RXD |  | Receive Data
4 | GND |  | Ground

Note: Direction is HP48 relative Computer.

Contributor: | Joakim Ögren

Source: | comp.sys.hp48 FAQ

Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-13