Lathem PC400 Manual Do Utilizador

PC100 Terminal User’s Guide 

6 

 

4.  See the Cable Wiring Diagrams for detailed connection points 

Connecting Terminals via RS-485 (Multi-Drop Configuration) 

A multi-drop network connects up to 31 terminals or sync time devices to the 
computer. You wire the terminals to junction boxes running in a single line 
starting from the SWIFT-485+. Terminals can be located up to 4000 feet from 
the computer 
 
 
 
 
 

 

1.  Run Category 3 (minimum) cable from the SWIFT-485+ to the first J-Kit  

(junction box) 

2.  Use a cable (up to 4 feet long) with an RJ-11 connector on both ends, and 

plug one end into the J-Kit  (junction box) 

3.  Plug the other RJ-11 connector to a terminal 

4.  Connect the power cord (AC adapter) to the terminal and plug the cord 

into a wall outlet 

5.  For the next terminal, run cable from the previous J-Kit  (junction box) to 

the next J-Kit  (junction box) and repeat steps 2, 3 & 4 

6.  See the Cable Wiring Diagrams for detailed connection points 

For more details or how to supply AC power to the PC100-R from the SWIFT-
485+, see the SWIFT-485+ User’s Guide. 

 

 

 

Up to 31 Terminals 

Max 4000 ft from SWIFT-485+ to Last Terminal 

SWIFT-485+

J-Kit (junction box)