 
 2-6 
 LS 400Xi Product Reference Guide
 RS-232 via Synapse To set up your RS-232 system via Synapse:
1. Connect the Synapse Smart Cable to the host.
2. Connect the Synapse Adapter cable to the Synapse cable, and the other end to the 
scanner.
3. If necessary, plug a power supply into the power port on the Synapse cable.
 Figure 2-5.  RS-232 via Synapse Con��guration
 External Power Operation with Single-Piece Cable 1. Plug the scanner into the appropriate port on the host device.
2. Connect the power supply to the power port on the cable. Depending upon the cable 
being used, this is located on a “lump” on the cable or the cable’s host connector.
 Battery Operation 1. Insert a 9-volt battery into the battery box. Refer to 
 Battery Box Operation on page 
2-4
 .
2. Plug the 9-pin connector at the end of the scanner’s coil cord into one end of the 
battery box.
Host LS 4004i
Power Supply
(as required)
Synapse Synapse
Adapter
Cable
 Cable