IEEE488 connector

#Computer#Parallel Interfaces

An HP bidirectional parallel interface

24 pin Amphenol male connector pin-out & layout

24 pin Amphenol male connector

PinNameDescriptionSource
1DIO1Data Bit 1Talker
2DIO2Data Bit 2Talker
3DIO3Data Bit 3Talker
4DIO4Data Bit 4Talker
5EOIEnd Or IndentityTalker/Controller
6DAVData ValidController
7NRFDNot Ready For DataListener
8NDACNo Data AcceptedListener
9IFCInterface ClearController
10SRQService RequestTalker
11ATNAttentionController
12 Shield-
13DIO5Data Bit 5Talker
14DIO6Data Bit 6Talker
15DIO7Data Bit 7Talker
16DIO8Data Bit 8Talker
17RENRemote EnabledController
18 Ground DAV-
19 Ground NRFD-
20 Ground NDAC-
21 Ground IFC-
22 Ground SRQ-
23 Ground ATN-
24 Logical Ground-

Data Lines:

NameDescription
DIO1 to DIO8Data Input Output

Handshake Lines:

NameDescription
DAVData Valid
NRFDNot Ready For Data
NDACNot Data Accepted

Interface Management Lines:

NameDescription
ATNAttention
IFCInterface Clear
RENRemote Enable
SRQService Request
EOIEnd or Identify

IEEE1284-C connector

ITU-TSS V.35 connector