203-251

Honeywell 203-251 — RS485 Network adapter can be used to convert 4G to 2G network applications with or without door switch input using the adapter. Discontinued by Honeywell — no longer in the current range. PartnerPLC sources new, surplus and discontinued Honeywell parts — request a quote for price, condition and lead time.

RS485 Network adapter can be used to convert 4G to 2G network applications with or without door switch input using the adapter (P/N 203-251) which connect the harness from the wall box (P/N 62-1462) previously connected to the thermostat being replaced) to H1 of the adapter. Connect the harness H3 (rainbow) of 203-251 to H7 of the e528.4G then connect the harness H2 (Black) of 203-251 to H5 of the e528.4G. Take care to not reverse the connections to the e528.4G Honeywell 203-251 — RS485 Network adapter can be used to convert 4G to 2G network applications with or without door switch input using the adapter. Discontinued by Honeywell — no longer in the current range. PartnerPLC sources new, surplus and discontinued Honeywell parts — request a quote for price, condition and lead time.

Brand	Honeywell
Lifecycle status	discontinued