Manual Documentation Number: ZP24D-250RM-SR-2508 3
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com
B&B Electronics – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com
Serial Connections RS-232
RS-232 always present on DB9
RS-232
DB9F Pin Signal Name Direction
1 Data Carrier Detect Out
2 Receive Data Out
3 Transmit Data In
4 Data Terminal Ready In
5 Signal Ground ---
6 Data Set Ready Out
7 Request To Send In
8 Clear To Send Out
9 Not used ---
Note: The DTR input is
used to put the radio
into sleep mode. The
radio sleep option must
be enabled first using
the configuration
software. Once
enabled, lowering the
DTR signal will put the
radio in sleep mode
and raising the DTR
signal will put the radio
in idle mode, ready to
receive or transmit
data.