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work. The RJ-45 connector in the model 1058’s POTS/ISDN interface is
wired as shown in Figure 9.
Figure 9.
Model 1058DV (RJ-45) POTS/ISDN interface
3.6 CONNECTING POWER
An external AC or DC power supply is available separately. This connec-
tion is made via the barrel jack on the rear panel of the Model 1058. No
configuration is necessary for the power supply (See Appendix B for
domestic and international power supply and cord options).
DC power (supplied via the power supply jack to the 1058) must meet
the following requirements; DC power supplied must be regulated
+5VDC ±5%, 1.0A minimum. Center pin is +5V. The barrel type plug has
a 2.5/5.5/10mm I.D./O.D./Shaft Length dimensions.
The Model 1058 does not have a power switch, so it powers up as soon
as it is plugged in.
1 (no connection)
2 (no connection)
3 (no connection)
4 (2-wire RING)
5 (2-wire TIP)
6 (no connection)
7 (no connection)
8 (no connection)
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