Crestron
QM-RMCRX
QuickMedia™ Receiver/Processor
COM B
COM A
COM (A & B)
These two DB9 (male) software programmable, bi-directional serial ports are
available for RS-232 communication, with hardware and software handshaking
and modem control. Speeds are rated up to 115,200 bps. COM B can also be
used as the console port. (Null modem cable is required to connect to a
computer.)
NOTE:
RS-422 and RS-485 are not supported.
Standard COM DB9 Pinout
PIN DIRECTION DESCRIPTION
1
TO QM-RMCRX
(DCD) Data Carrier Detect
2
To QM-RMCRX
(RXD) Receive Data
3
From QM-RMCRX
(TXD) Transmit Data
4
From QM-RMCRX
(DTR) Data Terminal Ready
5
Common
(SG) Signal Ground
6
From QM-RMCRX
(DSR) Data Set Ready
7
From QM-RMCRX
(RTS) Request To Send
8
To QM-RMCRX
(CTS) Clear To Send
9
To QM-RMCRX
(RI) Ring Indicator
Indicators
The QM-RMCRX front panel indicators are described as follows.
COM A
This red LED indicates COM A port activity.
COM B
This red LED indicates COM B port activity. Constant blinking indicates that
the port is used for remote console connection.
IR
This red LED indicates IR port activity.
INPUT
This red LED indicates input activity.
PWR (Power)
This green LED illuminates when the unit is connected to and receives 24 VDC
power from an external power pack or from Cresnet.
ACT (LAN)
This yellow LED illuminates when the QM-RMCRX communicates with any
device on the network.
Operations Guide – DOC. 6236A
QuickMedia™ Receiver/Processor: QM-RMCRX
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Содержание QM-RMCRX
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