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CGW-MB Installation and Users’ Manual | P/N:LS10248-000HW-E | REV.G | JUL/31/2022
143
ESSER Panels
Connecting to the Panels
Figure C.5: Wiring Diagram: RS-485 Connections for a FlexES Panel
C.4.4 To Use an RS-232 Connection for Inventory Synchronization
Using an RS-232 cable, you can connect to the TTY port of the panel's serial interface.
1. On the CLSS Gateway mainboard Side
Connect the RS-232 cable with pre-formed connector to the RS-232 port of the CLSS
Gateway mainboard board.
Tip
: The RS-232 port in the CLSS Gateway mainboard board is labeled as 6 in the
2. On the TTY-RS-232 Converter Side
From the CLSS Gateway mainboard:
• Connect the Rx wire to the Tx pin of the TTY-RS-232 converter.
• Connect the Tx wire to the Rx pin of the TTY-RS-232 converter.