Teledyne M300EM User Manual

Page of 398
Teledyne API – Technical Manual - Model 300E Family CO Analyzers 
Optional Hardware and Software 
 
73 
5.7. COMMUNICATION OPTIONS 
5.7.1. RS-232 MODEM CABLE (OPTION 60A) 
Table 5-5:  M300E/EM Modem Cable Options 
OPTION NO. 
DESCRIPTION 
60A
 
Shielded, straight-through DB-9F to DB-25M cable of about 1.8 m length. 
  This cable is used to interface with older computers or code activated switches with 
a DB-25 serial connectors. 
60B 
Shielded, straight-through DB-9F to DB-9F cable of about 1.8 m length, which should fit 
most computers of recent build.  
60C 
CAT5 7’ cable, a shielded straight through cable, 2 meters in length, terminated with  
RJ45 connectors. 
  For use with the M300E/EM Analyzer’s optional Ethernet Card (Option 63A). 
 
5.7.2. RS-232 MULTIDROP (OPTION 62) 
The multidrop option is used with RS232 and utilizes both DB-9 connectors on the rear panel to enable 
communications of up to eight analyzers with the host computer over a chain of RS-232 cables.  It is subject to 
the distance limitations of the RS-232 standard.   
 
Figure 5-11: 
M300E/EM Multidrop Card Seated on CPU above Disk on Module 
The option consists of a small printed circuit assembly, which plugs into to the analyzer’s CPU card and is 
connected to the RS-232 and COM2 DB9 connectors on the instrument’s back panel via a cable to the 
motherboard.   
  One OPT 62 and one OPT 60B are required for each analyzer along the multidrop network.   
See Section 8.2 for information regarding setting up a multidrop network for M300E/EM Analyzers. 
04288D DCN5752