HP 3000 Manuals

Using SNA IMF Pass Thru

Appendix C  Pass Thru Terminal and Printer Specifications 

This appendix lists the terminals and printers you can use with Pass
Thru.  MPE V uses DC1/DC2/DC1 handshaking,while MPE XL uses XON-XOFF
handshaking.

MPE/iX 5.0 Documentation