Westermo DDW-222 - Manual (Page 13)

13 6642-22203
Ethernet TX
Electrical specification IEEE std 802.3 2000 Edition
Data rate 10 Mbit/s, 100 Mbit/s, manual or auto
Duplex Full or half
Transmission range 100 m / 328 ft
Isolation to Power, SHDSL, RS-232
Connection RJ-45
Shielded cable Not required, except when installed in Railway applications as
signalling and telecommunications apparatus and located close
to rails**
Number of ports 4 ports marked as 1, 2, 3, 4
** To minimise the risk of interference, a shielded cable is recommended when the cable is located inside 3 m
boundary to the rails and connected to this port.
RS-232
Electrical specification EIA RS-232
Data rate 300 bit/s to 115.2 kbit/s
Data format 7 or 8 data bits, odd, even or none parity, 1 or 2 stop bits
Protocol Transparent, optimised by packing algorithm
Transmission range 15 m / 49 ft
Isolation to Power, SHDSL, Ethernet TX
Connection 9-pin D-sub male (DTE)
Shielded cable Not required
Number of ports 1