5.2. Interface Specifications
DC, Power port
Rated voltage
24 - 48 VDC
Operating voltage
19 - 60 VDC
Rated frequency
DC
Startup current
Maximum 400 mA
Polarity
Reverse polarity protected
Isolation
All other ports
a
Connector
Detachable screw terminal
Shielded cable
Not required
a
Only applicable for MRD-455
Ethernet TX
Electrical specification
IEEE std 802.3
Data rate
10 Mbit/s, 100 Mbit/s, auto
Duplex
Full or half, auto
Circuit type
SELV
Transmission range
100 m/328 ft
Isolation
All other ports
Connection
RJ-45, auto MDI/MDI-X
Cabling
Shielded cable is not required, except when installed in railway applications
as signalling and telecommunications apparatus and located close to rails
a
Conductive chassis
Yes
Number of ports
2
a
Only applicable for MRD-455
18
MRD-415 and MRD-455