Powering
The 1645 AMC units can be ordered either as DC or as AC powered versions. The power
ranges are given in chapter 3.
Table 2-1
Technical specifications (AC/DC converter)
Item
DR-120-48 converter
DR-75-48 converter
AC input
88 ... 132 VAC or
176 ... 264 VAC
(selectable by switch)
85 ... 264 VAC
DC output
48V, 0 ... 2.5A
48V, 0 ... 1.6A
Temperature range
–10°C ... +60°C
–10°C ... +60°C
Dimensions (H × W × D)
125.2 mm × 65.5 mm × 100
mm
125.2 mm × 55.5 mm × 100
mm
Remote power supply
The 1645 AMC units, as SHDSL LTUs, are connected to third-party TUs and SHDSL
Regenerator Units (SRUs). To enable the remote powering of an SRU, an external power
box called the Fernspeisemodul (FSP) box or the External SHDSL Power Supply (ESPS)
box is delivered alongwith the unit.
This external power supply box is managed through the MDI/MDO interfaces located on
the E. The power box is monitored by manually setting the DIP switch on the box to
“Managed”
and setting the E to the managed mode. There are also individual DIP
switches to monitor each port on the box. The management system displays the status,
“FSP on/off”
, of the DIP switches per port.
The MDI/MDO interfaces on the power box can be used by the 1645 AMC units as the
MDI/MDO interfaces for external signalling.
General information
Hardware description
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2-2
Alcatel-Lucent – Internal
Proprietary – Use pursuant to Company instruction
365-313-103R8.0
Issue 2
July 2009
Содержание 1645 AMC
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