Teledyne 703E User Manual

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TELEDYNE API 
Operating The M703E over the Serial I/O Ports 
M703E Calibrator Operator’s Manual 
7.1.2. COMM PORT DEFAULT SETTINGS AND CONNECTOR PIN 
ASSIGNMENTS 
Received from the factory, the calibrator is set up to emulate an RS-232 DCE device. 
  RS-232 (COM1): RS-232 (fixed), DB-9 male connector. 
o
 
Baud rate: 19200 bits per second (baud). 
o
 
Data Bits: 8 data bits with 1 stop bit. 
o
 
Parity: None. 
  COM2: RS-232 (configurable to RS 485), DB-9 female connector. 
o
 
Baud rate: 115000 bits per second (baud). 
o
 
Data Bits: 8 data bits with 1 stop bit. 
o
 
Parity: None. 
 
 
Male DB-9 (RS-232)
(As seen from outside analyzer) 
 
 
  
 
 
 
 
 
 
 
 
(DTE mode) 
 
 
 
 
 
 
 
 
 
 
 
 
 
(DCE mode) 
2 3 
5
7 8 
9
RXD 
GND
TXD 
CTS
RTS 
2 3 
5
7 8 
9
TXD 
GND
RXD 
RTS
CTS 
Female DB-9 (COM2)
(As seen from outside analyzer) 
 
 
  
 
 
 
 
 
 
 
 
(DTE mode) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
RXD
GND 
TXD
CTS
RTS
 
Figure 7-1: 
Default Pin Assignments for Back Panel COMM Port connectors (RS-232 DCE & DTE) 
 
The signals from these two connectors are routed from the motherboard via a wiring harness to two 10-pin 
connectors on the CPU card, CN3 (COM1) and CN4 (COM2).   
CN3 & CN4
(Located on CPU card) 
 
 
 
 
 
 
 
 
 
 
 
 (As seen from inside analyzer)
 
TXD
GND
2
4
6
8
10
1
3
5
7
9
RXD 
RTS
CTS
 
Figure 7-2: 
Default Pin Assignments for CPU COM Port connector (RS-232). 
88 
 
05744 Rev B