Compatibility Appendix E
Series N6700 User’s Guide 197
Differences in Earlier Agilent N6700A Mainframes
Hardware Differences
Digital Control Port
Agilent N6700A mainframes use a 4-pin connector instead of the 8-
pin connector available on Agilent N6700B mainframes.
Pin functionality on the 4-pin connector is the same as the first 3
pins and the common pin on the 8-pin connector. The following chart
describes the pin functions.
Pin External Trigger Fault/Inhibit Digital I/O
1
Trigger In/Out FLT Output Input/Output 0
2
Trigger In/Out FLT Common Input/Output 1
3
Trigger In/Out INH Input Input/Output 2
⊥
Trigger Common INH Common Signal Common
LAN Connector
Agilent N6700A mainframes use “mini-B USB connector.
Binding Post
Agilent N6700A mainframes use a longer, hex shaped chassis ground
binding post on the rear panel.
Firmware Differences
The following features and capabilities are not available on
mainframes with firmware revisions prior to B.00.00.
The ability to group output channels together in parallel
The ability to program a voltage slew rate.
The ability to lock out the front panel from the front panel.
The ability to password-secure the LAN and USB interface and
the non-volatile RAM settings.
The low range current measurement calibration is different.
The “B” version modules are not recognized by the mainframe.
To upgrade your instrument with the latest firmware revision, go to
http://www.agilent.com/find/N6700
.
INSERT WIRES
TIGHTEN SCREWS
Signal Common
Pin 1
1 2 3
I
Pin 2
Pin 3
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