Westermo IDW-90 - Manual (Page 12)

12 6620-2200
Interface specifications
Power “LV”
Rated voltage
12 to 48 VDC
12 to 34 VAC
Operating voltage 10 to 60 VDC
10 to 42 VAC
Rated current 110 mA @ 12 VDC
55 mA @ 24 VDC
30 mA @ 48 VDC
Rated frequency DC / AC 48 – 62 Hz
Inrush current I 2 t 0.22 A 2 s
Startup current* 0.30 A
peak
Polarity Polarity independent
Isolation to All other ports 3 kV
rms
50 Hz 1 min
Connection Detachable screw terminal
Connector size 0.2 – 2.5 mm 2 (AWG 24 – 12)
Shielded cable Not required
Integrated Services Digital Network (ISDN)
Electrical specification
ISDN BRI: ITU-T I.430.
Data rate 300 bit/s – 128 kbit/s
Protocol Euro ISDN /DSS1, Leased line B1 / B2
V.110 asynchronous, HDLC async to sync, HDLC transparent,
Byte transparent X.75- SLP, V.120, X.31 B channel, X.31
D channel, ML-PPP
Protection Installation Fault Tolerant (up to ±60 V)
Isolation to Power port 3 kV
rms
50 Hz 1 min
RS-232 2 kV
rms
50 Hz 1 min
RS-485 2 kV
rms
50 Hz 1 min
I/O 2 kV
rms
50 Hz 1 min
Connection RJ-45
Shielded cable Not required
* External supply current required for proper startup.