Westermo DDW-142 - Interface Specifications - USB, I;O, and SHDSL; USB Port Specifications; I;O Relay Output Specifications; I;O Digital Input Specifications

12
6642-22501
USB
Electrical specification USB 2.0 host interface
Data rate Up to 12 Mbit/s (full-speed mode)
Circuit type SELV
Maximum supply current 500 mA
Connection USB receptacle connector type A
I/O / Relay output
Maximum voltage/current 60 VDC / 80 mA
Connect resistance Max 30 Ω
Isolation to All other
Connection Detachable screw terminal
Connector size 0.2 – 2.5 mm² (AWG 24 – 13)
I/O / Digital in
Maximum voltage / load current 60 VDC / 2 mA
Voltage levels Logic one >12 V, Logic zero <1V
Isolation to All other
Connection Detachable screw terminal
Connector size 0.2 – 2.5 mm² (AWG 24 – 13)
SHDSL
Electrical specification ITU-T G.991.2 Annex B
Data rate 32 kbit/s to 30.4 Mbit/s with bonding
Protocol EFM according to IEEE 802.3-2005
Transmission range According to ITU-T G.991.2 depending on line quality
Isolation to All other
Connection Detachable screw terminal
Connector size 0.2 – 2.5 mm² (AWG 24 – 13)
Shielded cable Not required
Number of ports 2