This paper introduces a LAN-LAN communication software TRAN, the software can transimit database information between LANs in four manners: point to point, point to multi-points.

• 本文介绍一种局域网间微机数据库通信软件TRAN．该软件能实现局域网间微机数据库点对点、点对多点，多点对一点以及广播等方式通信。