110878 RT-11 2780/3780 Protocol Emulator Version: 4.1, May 1987 Submitted by: Digital Equipment Corporation Operating System: RT-11 Memory Required: 32K Bytes Software Required: RT-11 with FB or XM Monitor. Hardware Required: One of the following - DU11 or DUP11 for PDP-11, DUV11 or DPV11 for LSI, SCI for PDT-11/130 or PDT-11/150 Keywords: Data Communications, Emulators Abstract: The RT-11 2780/3780 Protocol Emulator (PE) provides communications capabilities similar to IBM 2780 and 3780 remote batch terminals. The emulator runs under the RT-11 Foreground/Background (FB) or Extended Memory (XM) monitor as either a foreground or background job. The emulator accepts commands interactively or from indirect command files. Commands are provided for operation in unattended environments. The emulator supports operation of a single full- or half-duplex synchronous point-to-point line at transmission speeds up to 9600 bits per second on an otherwise idle system (maximum line speed on PDT-11 is 4800 bits per second). Support for automatic answer to incoming calls is also available for use with those modems that provide this capability. The communications discipline implemented by the RT-11 2780/3780 PE is a subset of IBM's Binary Synchronous Communications (BSC) protocol that uses the EBCDIC transmission code. Horizontal format control records can be received and processed. A subset of vertical format control escape sequences is supported, specifically single, double, and triple space, form feed, and space suppress. Any block addressable storage device supported by RT-11 can be used as a source of transmission files. Both fixed length (80 character card image) and variable length transmitted as either EBCDIC (automatically translated from ASCII) or binary data (no translation). BSC control characters are automatically added to the data before transmission and stripped upon reception. Any block addressable storage device or line printer supported by RT-11 can be used to receive files. The following 2780/3780 remote batch terminal features are supported: . 2780 multiple record transmission option . Transparent mode . 3780 space compression . Variable horizontal forms control . Print and punch component selection on receive Documentation available in hardcopy only. Sources not included. Media (Service Charge Code): User's Manual (EC), Two RX01 Diskettes (KB) Format: RT-11, 600' Magnetic Tape (MA) Format: RT-11