Measurement Computing Digital488 - Manual (Page 11)

Section 1 Introduction
1.3a
1.3 Specifications
Digital488 Specifications
Digital I/O
Terminal Installation Category:
Standard: Not Applicable. CE: Category 1.
Transistor-Transistor Logic (TTL) Levels:
Outputs will drive 2 TTL loads.
Connector:
One 50-pin card edge (mating connector supplied).
IEEE 488
&$87,21
The IEEE 488 terminal must only be used to control a non-isolated IEEE 488 system.
The common mode voltage (cable shell to earth) must be zero.
Terminal Installation Category:
Standard: Not Applicable. CE: Category 1.
Implementation:
SH1, AH1, T6, TE0, L4, LE0, SR1, RL0, PP0, DC1, DT1, C0, E1.
Terminators:
Selectable CR, LF, LF-CR, and CR-LF with EOI.
Programmable:
IEEE Terminators, EOI, SRQ Mask, Port Data, Active Levels, Handshake Lines, Format and Configuration.
Connector:
Standard IEEE 488 connector with metric studs.
General
Configuration:
Five 8-bit ports, programmable as inputs or outputs. Also included are programmable handshake lines, data latching
capability, Clear and Trigger outputs, and a Service Request (SRQ) input.