Cisco ONS 15454 SDH Specifications Page 70

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Cisco ONS 15454 SDH Installation and Operations Guide, R3.3
May 2002
Chapter 1 Hardware Installation
FMEC Card Installation
Procedure: Install ONS 15454 SDH FMEC cards
Caution Hazardous voltage or energy may be present on the backplane when the system is operating. Use
caution when servicing.
Step 1 Hold the card on the ejectors.
Step 2 Slide the card along the guide rails into the desired card slot.
Step 3 Push the card gently into the connector.
Step 4 Lock the screw.
1.10.1 Slot Requirements
The ONS 15454 SDH EFCA has 12 card slots numbered sequentially from left to right. Slots 18 22
and 25 29 provide electrical access for corresponding slots. They can host FMEC-E1, FMEC-E3/DS3,
and FMEC-DS1/E1 cards. Assignment is as follows:
Slot 18 provides electrical connection for an electrical card in slot 1.
Slot 19 provides electrical connection for an electrical card in slot 2.
Slot 20 provides electrical connection for an electrical card in slot 3.
Slot 21 provides electrical connection for an electrical card in slot 4.
Slot 22 provides electrical connection for an electrical card in slot 5.
Slot 25 provides electrical connection for an electrical card in slot 13.
Slot 26 provides electrical connection for an electrical card in slot 14.
Slot 27 provides electrical connection for an electrical card in slot 15.
Slot 28 provides electrical connection for an electrical card in slot 16.
Slot 29 provides electrical connection for an electrical card in slot 17.
Slots 23 and 24 provide system power and system interface for alarms, timing, and LAN connections.
They host MIC-A/P and MIC-C/T/P cards.
Shelf assembly slots have symbols indicating the type of cards that you can install in them. Each ONS
15454 SDH card has a corresponding symbol. The symbol on the card must match the symbol on the
slot. Table 1-12 shows the slot-card symbol definitions.
Table 1-12 Slot and Card Symbols
Color/Shape Definition
Orange/Circle Electrical 75 Ohm E1 connection via 1.0/2.3 miniature
coax connectors. Only install ONS 15454 SDH cards with
a circle symbol on the faceplate.
Orange/Circle Electrical 120 Ohm E1 connection via DB-37 connectors.
Only install ONS 15454 SDH cards with a circle symbol on
the faceplate.
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