
DT Etherlink IV
User Manual
- 15 -
Remote Power and
Wetting Current
Supply Modes
NTU/RR
LTU
Power DP
Distance P.
Power LP
Local P.
Remote
Power
Supply
Wetting
Current
Supply
Wetting
Current
Consumption
No
NTU/RR
Power DP
Distance Power
inc
inc
inc
inc
inc
Power LP
Local Power
inc
-
-
LTU
Remote Power
Supply
-
Х
Х
Х
-
Wetting Current
Supply
inc
-
Х
Х
-
Wetting Current
Consumption
inc
Х
No
inc
-
-
Table 3.2 Compatible operation of remote power supply and wetting current supply modes
WARNING
TO PREVENT THE FAILURE OF THE EQUIPMENT,
THE USE OF “X”
MODES IS STRICTLY PROHIBITED!
3.2.1.2
Configuration of Remote Power
The remote power supply modes can be changed by jumpers and the LP/DP switch (LP means local
powering, DP means distance/remote powering).
Local/Remote Power Modes
Voltage
Restrictions
Local Power Supply
18-36VDC, 36-72VDC
Switch on LP position
Default Jumper position (delivery).
Do not open the NTU enclosure.
XM38 DSL-1 to DSL-2 open
XM39 DSL-1 to DSL-2 open
XM40 DSL-3 to DSL-4 open
XM41 DSL-3 to DSL-4 open
Remote Power Termination
36-230VDC
Switch on DP position
Default Jumper position (delivery).
Do not open the NTU enclosure.
XM38 DSL-1 to DSL-2 open
XM39 DSL-1 to DSL-2 open
XM40 DSL-3 to DSL-4 open
XM41 DSL-3 to DSL-4 open
Remote Power Termination
and Power Pass Through
36-230VDC
Switch on DP position
Please open the NTU enclosure
and close the jumpers.
Be sure that you have an
ESD protected working
place!!
XM38 DSL-1 to DSL-2 closed
XM39 DSL-1 to DSL-2 closed
XM40 DSL-3 to DSL-4 closed
XM41 DSL-3 to DSL-4 closed
Table 3.3 Possible remote power and wetting current supply modes