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Interface specifications – Westermo DDW-100 User Manual

Page 10

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10

6621-2202

Interface specifications

Power

Rated voltage

12 to 48 VDC

Operating voltage

10 to 60 VDC

Rated current

290 mA @ 12 VDC
140 mA @ 24 VDC
80 mA @ 48 VDC

Rated frequency

DC

Inrush current, I

2

t

0.098 A

2

s

Startup current

0.6 A

peak

Polarity

Reverse polarity protected

Redundant power input

Yes

Isolation to

All other

Connection

Detachable screw terminal

Connector size

0.2 – 2.5 mm

2

(AWG 24 – 12)

Shielded cable

Not required

DSL Leased Line

Electrical specification

ITU-T G.991.2 Annex B

Data rate

192 kbit/s to 2.304 Mbit/s

Protocol

ITU-T G.991.2, Annex E Clear Channel Data

Transmission range

According to ITU-T G.991.2 depending on the line quality:
Typical values using noise-free AWG26 Cables
2.3 Mbit/s reach > 3 km
192 kbit/s reach > 6 km

Protection

Bidirectional transient surge arrestor

Isolation to

All other

Galvanic connection to

None

Connection

Detachable screw terminal and RJ-12

Connector size

0.2 – 2.5 mm

2

(AWG 26 – 12)

Shielded cable

Not required

Conductive housing

No

Number of ports

1