8003 Precision Scalar Analyzer
B-8
Manual 20791, Rev. C, June 2001
B.4.3
LaserJet Family RS-232 Cable Interconnections
B.4.3.1
RS-232 Electrical Description
Since the HP LaserJet printer is designed to operate through either RS-232 or RS-422 cable
interconnections, there is a switch (SW 1- Switch 1) and a jumper (JP 2- Jumper 2) on the printer's rear
panel that must be properly set. The diagrams on the next page will show the location and proper
positioning of these components.
Instrument Connector Label
To Set Printer Address
CONNECT FROM:
8003 Analyzer
RS-232 Port (rear panel
female connection)
N/A – Direct Connection
CONNECT TO:
HP LaserJet Family
RS-232
N/A – Direct Connection
M -M Cable
Printer Connection:
Pin Number
Function
1
FG – Frame Ground
2
TD – Transmit data to the 8003
3
RD – Received data from the 8003
7
SG – Signal Ground
20
DTR – Data Terminal Ready
8003 Connection:
1
FG – Frame Ground
2
TD – Received Data from the printer
3
RD – Transmit Data to the printer
7
SG – Signal Ground
20
DTR – Data Terminal Ready
NOTE:
The 8003 Analyzer operates only at a Baud rate of 9600.
NOTE:
After setting the address, the printer must be turned OFF and then ON again.
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Summary of Contents for 8003
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