PTI security systems P485MODEMASY Installation And Troubleshooting page 4

existence. W hile t hey a re t ransparent, t hey d o a ffect t he p erformance o f t he s ystem a nd i n
some c ases p arameters m ust b e a djusted.
The i mpact t o s ystem p erformance i s t he t ime r equired f or d ata t o b e t ransferred b etween
the c ontroller a nd t he d evice. A dditional t ime i s r equired s ince t he d ata m ust b e g athered
into a p acket a nd t ransferred a cross t he w ireless l ink b efore i t c an b e s ent t o t he r emote
device. Y ou w ill n otice l onger r esponse t imes w hen u sing t he W ireless R S-­‐485 m odems.
This i s n ormal.
Note:
1. DIP S witch 2 h as b een d isabled p reventing t his s witch f rom e rasing t he
preconfigured s ettings.
2. Bias r esistors ( 4.7K) h ave b een a dded t o t he m odem f or p roper o peration w ith t he
RS-­‐485 n etwork i s i n t he i dle s tate ( neither t he c ontroller n or r emote d evice i s
transmitting).
Custom C onfigurations
Custom c onfigurations c an b e i mplemented u sing t he t ools a nd i nformation p rovided o n
the D igi I nternational I nc. w ebsite. S ince w e h ave d isabled t he a bility t o r estore t he m odem
to D igi f actory d efaults, y ou m ust c onnect w ith t he f ollowing s ettings:
• Syscon ( PN 2 000002Kit) – U se 2 400 B aud, 1 s top b it a nd n o p arity
• Falcon B ase U nit o r F alcon X T ( PN P 485MODEMASY) – U se 9 600 B aud, 2 S top b its
and n o p arity
PTI S ecurity S ystems
4/8/14
Wireless R S485 I nstallation a nd T roubleshooting I nstructions
Rev A
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