ERE Wireless D2 Series - General Description

D2 Series
User Guide, Rev. 00 (Feb 2015)
9
General description
The D2 Series (RT) are radiomodems with RS232 and RS485 serial connections, configurable by
software, either remotely or locally, on the fly by DTE.
The devices are complete with one optically isolated digital input and one relay output that can be
used for radio transmission of signal and alarms.
Four operating modes that are software programmable: mirror point to point, point to multipoint,
broadcasting, and digipeater which allows multipath data routes, to ensure data delivery.
The Low power design along with the power saving function, allows for extended battery life.
Robust construction with surface mounted components, ensure highly-stable electronics.
Optional antenna configurations can improve radio transmissions where radio coverage is critical
Operating mode
Radio modem
Radio
Channel spacing
Yes
RF channel
Yes by DIP switch
Frequency Agility
Yes
Listen Before Talk
Yes
RF power
D230, D260, D261, D262
Porta Seriale
RS485 or RS232
Configurable by DIP switch
Bit Rate
Yes
Parity bit
Yes
DTX Time
Yes
Data
Routing Table
Standard 1, with address from DTE up to 8
Broadcasting
Yes
Address from DTE
Yes
Address to DTE
Yes
Rx address for Tx
Yes
Request of ACK
Yes
Set number of retries
Yes
NAK to DTE
Yes
Routing Table
Yes
Other
Diagnostic
Yes
Power Save
Yes
Link Test
Yes