KEPCO KLP Series User Manual, Rev 4 - Manual (Page 30)

2-4
KLP-HV 091313
TABLE 2-3. IEEE 488 PORT CONNECTOR (J4) PIN ASSIGNMENTS
PIN SIGNAL NAME FUNCTION
1 D I 01 I/O Line
2 D I 02 I/O Line
3 D I 03 I/O Line
4 D I 04 I/O Line
5 EOI End or Identify
6 DAV Data Valid
7 NRFD Not Ready for Data
8 NDAC Not Data Accepted
9 IFC Interface Clear
10 SRQ Service Request
11 ATN Attention
12 SHIELD Shield
13 D I 05 I/O Line
14 D I 06 I/O Line
15 D I 07 I/O Line
16 D I 08 I/O Line
17 REN Remote Enable
18 GND Ground (signal common)
19 GND Ground (signal common)
20 GND Ground (signal common)
21 GND Ground (signal common)
22 GND Ground (signal common)
23 GND Ground (signal common)
24 LOGIC GND Logic Ground
TABLE 2-4. RS 232 PORT CONNECTOR (J3) PIN ASSIGNMENTS [STANDARD MODELS ONLY]
PIN SIGNAL NAME FUNCTION
NOTE: A null modem cable (see Table 1-5) is required for nearly all applications, with the exception of
those in which RXD and TXD line transposition is accomplished via external hardware (e.g.
older Apple MAC computers with D-sub serial port).
1 DCD Data Carrier Detect (protocol not used)
2 RXD Receive Data
3 TXD Transmit Data
4 DTR Data Terminal Ready (protocol not used)
5 SGND Signal Ground
6 DSR Data Set Ready (protocol not used)
7 RTS Request To Send (protocol not used)
8 CTS Clear To Send (protocol not used)
9 RI Ringer Indicator (protocol not used)