Power and Grounding
LTPH-TP-1003-02, Issue 2
8
June 1, 2001
HRE-206 Lists 1 and 2
48 V
OLT
P
OWER
O
PTIONS
When using the HRE-206 to locally power HRU plugs or HLU-431 and HLU-432 line units, -48 Vdc power is
provided at terminal block TB8, the pin assignment for which is shown in
Figure 8.
TB8 Pin Assignment
Third party wall mount power supply can be used to provide -48 Vdc power for various plug applications, as
shown in
Table 3.
Power Requirements for Various Plug Applications
HiGain Unit
Maximum
Power
per Unit
Number
of Units
Power
Required
(mA)
Power Supply
Input Power
AWG Wire Size
(*)
(Two Inputs) (One Input)
(*) Minimum current capacity is based on 1000 circular mils per ampere.
HRU-402
3.5 watts
1
73
Westell 6048-01 (100 ma)
26
26
1, 2, or 3
210
Teltrend 2005 (250 ma)
26
26
4, 5, or 6
500
Troncom WPS-4806 (520 ma) 26
26
HDU-404
3 watts
Unit is line powered. No locally-powered requirements.
HRU-412
6 watts
1
125
Teltrend 2005
26
26
3
375
Troncom WPS-4806
26
26
HLU-431 (no
doublers)
14 watts
1
3
300
900
Troncom WPS-4806
Troncom WPS-4810 (1 amp)
26
26
26
22
HLU-431
(with two
doublers)
24 watts
1
2
500
1000
Troncom WPS-4806
Troncom WPS-4810
26
22
22
20
HLU-432 (no
doublers)
12 watts
1
2
3, 4
250
500
1000
Teltrend 2005
Troncom WPS-4806
Troncom WPS-4810
HLU-432
(with four
doublers)
24 watts
1
2
500
1000
Troncom WPS-4806
Troncom WPS-4810
The maximum power dissipation within the HRE-206 remote enclosure is limited to 40 watts to
permit reliable operation up to a maximum ambient temperature of 115 °F.
1
2
35
17
All backplane
slots
RTN
TB8
-48 Vdc
