Westermo DDW-226 - Manual (Page 14)

14 6642-22402
Ethernet TX
Electrical specification
IEEE std 802.3. 2005 Edition
Data rate 10 Mbit/s or 100 Mbit/s, manual or auto
Duplex Full or half, manual or auto
Circuit type TNV-1
Transmission range Up to 150 m with CAT5e cable or better
Isolation to All other
Connection RJ-45 auto MDI/MDI-X
Shielded cable Not required, except when installed in Railway applications as
signalling and telecommunications apparatus and located close
to rails.*
Conductive housing Yes
Number of ports 4
* To minimise the risk of interference, a shielded cable is recommended when the cable is located
inside 3 m boundary or the cable is longer than 30 m and inside 10 m boundary to the rails and
connected to this port.
SHDSL
Electrical specification
ITU-T G.991.2 Annex B
Data rate 192 kbit/s to 15.3 Mbit/s
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 mm 2 (AWG 24 – 12)
Shielded cable Not required
Number of ports 2
RS-232
Electrical specification
EIA RS-232
Data rate 300 bit/s – 115.2 kbit/s
Data format 7 or 8 data bits, odd/even/none parity, 1 or 2 stop bits
Protocol Transparent, optimised by packing algorithm
Circuit type SELV
Transmission range 15 m / 49 ft
Isolation to Power, DSL, Ethernet
Galvanic connection to USB, Console
Connection RJ-45
Shielded cable Not required
Conductive housing Yes