Manual Documentation Number: MDRxxxxA-807
7
Black Box Corporation - 1000 Park Drive - Lawrence, PA 15055-1018
www.blackbox.com -- Tech Support and Ordering: 724-746-5500 - Fax: 724-746-0746
product)
Radio Address
Defaulted at factory, set by software otherwise
Serial settings
Baud 1200, 2400, 4800, 9600, 19200, 38400, 57600
Data bit 7, 8
Parity None, even, odd, mark, space
Stop bit 1, 2
RS-232
Connector DB9F
DCE
Lines TX, RX, RTS, CTS, DTR, DSR, DCD, RI, GND
Connector Removable
terminal
block
Lines TX,
RX,
GND
RS-422
Connector Removable
terminal
block
Lines 2 or 4 wire – TX+, TX-, RX+, RX-, GND (2 or 4
wire dipswitch selectable)
Termination 120 Ohm Dipswitch selectable
RS-485
Connector Removable
terminal
block
Lines 2 or 4 wire with SD control – TX+, TX-, RX+,
RX-, GND (2 or 4 wire dipswitch selectable)
SD control Bit wise
Termination 120 Ohm Dipswitch selectable
Transistor link
failure
No wireless signal or RSSI LED off
Connector Removable terminal block with RS-422/485
Output type Open collector, dry contact, 40mA
Power Supply
Connector Removable
terminal
block
Input Voltage 10–48VDC, 18-30VAC
Power
Consumption
MDR324xA = 1.5W max
MDR390xA = 1.5W max
Dimensions
1.2W x 3.3D x 4.7H
Environmental
Intended for indoor use only
Operating
Temperature
-40 to 85ºC (-40 to 185ºF)
Storage
Temperature
-40 to 85ºC (-40 to 185ºF)
Operating
Humidity
10 to 90% non-condensing
Enclosure
Rating
Rating IP30
8
Manual Documentation Number: MDRxxxxA-807
Black Box Corporation - 1000 Park Drive - Lawrence, PA 15055-1018
www.blackbox.com -- Tech Support and Ordering: 724-746-5500 - Fax: 724-746-0746
Mounting
DIN rail mount, 35mm
LED Status
Front Panel LED
Status
Power
Red = On
OFF = No Power
RSSI (Signal
Strength)
Green = Strong
Yellow = OK
Red = Weak
OFF = No Signal
Wireless Data
Green = Blink on with
data
Note: For the RSSI LED to work correctly the
“RP” command (RSSI PWM Timer), must be set
to “FF”
Certifications
FCC
FCC Part 15 Class B
CE
CISPR (EN55022) Class B
EN61000-6-1 Generic Standards for Residential,
Commercial, & Light Industrial
EN61000-4-2 ESD
EN61000-4-3 RFI
EN61000-4-4 EFT
EN61000-4-5 Surge
EN61000-4-6 CI
EN61000-4-8 Power Frequency Magnetic
EN61000-4-11 Voltage Dips & Interruptions
RoHS directive
(lead free)
Yes