Multi-Room Control Processor
MRP-64
6
usb PORt
This is a host port for programming updates.
Rs-232 PORts
The MRP-6 is capable of two-way communication via two dedicated
RS-232 ports. Use industry standard cat5 cable with RJ-5 termination
(56B) and two RJ-5 > RS-232 adapters are included if a DB-9
connection is required by the equipment being controlled. The RS-232
transmits on pin #3 of the adapter DB-9, so if the equipment being
controlled receives on pin #2, you will need a null modem adapter
nOte:
RS-232 communication has a distance limitation of 50-00 feet.
DB-9 Connector Pin Out
Pin Signal Signal
Name Description
DCD Carrier Detect
2 RXD Receive Data
3 TXD Transmit Data
DTR Data Terminal Ready
5 GND Signal Ground/Common
6 DSR Data Set Ready
7 RTS
Request To Send
CTS
Clear To Send
9 NC
Not Connected
RJ-5 Connector Pin Out
Pin Signal Signal
Name Description
DSR
Data Set Ready
2 DCD Carrier Detect
3 DTR Data Terminal Ready
GND Signal Ground/Common
5 RXD Receive Data
6 TXD Transmit Data
7 CTS
Clear To Send
RTS
Request To Send
RJ-45 > db-9 adaPteR PInOut
CHaPteR 3 | InstallatIOn and OPeRatIOn
