Cisco ONS 15454 SDH E1-75 Справочное руководство - Страница 9
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Chapter 1
Shelf and FMEC Hardware
Figure 1-6
1.4 Front Mount Electrical Connection
The positive and negative power terminals are located on FMEC cards in the Electrical Facility
Connection Assembly (EFCA). The ground connection is the grounding receptacle on the side panel of
the shelf.
The ONS 15454 SDH EFCA at the top of the shelf has 12 FMEC slots numbered sequentially from left
to right (18 to 29). Slots 18 to 22 and 25 to 29 provide electrical connections. Slots 23 and 24 host the
MIC-A/P and MIC-C/T/P cards, respectively.
FMEC-E1, FMEC-DS1/E1, FMEC E1-120NP, and FMEC E1-120PROA cards can be installed in
Slots 18 to 21; the FMEC E1-120PROB card can be installed in Slots 26 to 29; and FMEC-E3/DS3,
FMEC STM1E NP, FMEC STM1E 1:1, and FMEC STM1E 1:3 cards can be installed in Slots 18 to 21
or Slots 26 to 29. FMEC electrical card assignment is as follows:
•
•
April 2008
Laser Warning on the Front-Door Label
FMEC Slot 18 supports an electrical card in Slot 1.
FMEC Slot 19 supports an electrical card in Slot 2.
1.4 Front Mount Electrical Connection
Cisco ONS 15454 SDH Reference Manual, R4.6
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