Rice Lake LaserLight Series, Installation Manual, Page: 12 / 46

LaserLight Series
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RF Interference
If experiencing RF Interference, follow the instructions below.
1. Loop the serial wires through the cylindrical ferrite (PN 66730) provided with this manual.
2. Using the plastic cable ties provided, secure the wires to the ferrite and the serial cable to the learn switch wires to
keep ferrite from contacting the CPU board.
Figure 2-8. Cylindrical Ferrite Placement
Terminals J6, J8, and J9 are removable screw terminal plugs.
Port 0 is used for input only and port 1 is used to drive the next LaserLight Remote Display.
Connector Pin Assignment Function Port Position
J1 1 Ground –
2 Digin 0 –
3 Digin 1 –
4 +5 V –
5 DigOut 0 –
6 DigOut 1 –
7 Ground –
J6 1 20 mA Rx+ Port 0
2 20 mA Rx– Port 0
3 20 mA Tx+ Port 1
4 20 mA Tx– Port 1
J8 1 RS-232 TxD 0 Port 0
2 RS-232 TxD 1 Port 1
3 RS-232 RxD 0 Port 0
4 RS-232 RxD 1 Port 1
5 RS-232 SIG GND –
6 RS-232 SIG GND –
J9 1 RS-485 Rx+ Port 0
2 RS-485 Rx– Port 0
3 RS-485 Tx+ Port 0
4 RS-485 Tx– Port 0
Table 2-2. Serial Communications Wiring
Cylindrical Ferrite
Plastic Cable Ties
Note