Cisco ONS 15454 SDH E1-75 Manuale utente

CHAPTER

1-1

Cisco ONS 15454 SDH Reference Manual, R4.6

April 2008

Shelf and FMEC Hardware

This chapter provides a description of Cisco ONS 15454 SDH shelf and backplane hardware. Card and

cable descriptions are provided in Chapter 2, “Common Control Cards,” Chapter 3, “Electrical Cards,”

Chapter 4, “Optical Cards,” Chapter 5, “Ethernet Cards,” and Chapter 6, “DWDM Cards.” To install

equipment, refer to the Cisco ONS 15454 SDH Procedure Guide.

Chapter topics include:

•1.1 Overview, page 1-2

•1.2 Typical DWDM Rack Layouts, page 1-3

•1.3 Front Door, page 1-5

•1.4 Front Mount Electrical Connection, page 1-9

•1.5 E1-75/120 Conversion Panel, page 1-11

•1.6 Coaxial Cable, page 1-12

•1.7 Twisted-Pair Balanced Cable, page 1-12

•1.8 Cable Routing and Management, page 1-13

•1.10 Fan-Tray Assembly, page 1-15

•1.11 Power and Ground Description, page 1-16

•1.12 Alarm, Timing, LAN, and Craft Pin Connections, page 1-16

•1.13 Cards and Slots, page 1-17

•1.14 Software and Hardware Compatibility, page 1-20

Note The Cisco ONS 15454 SDH assembly is intended for use with telecommunications equipment only.

Warning

Only trained and qualified personnel should be allowed to install, replace, or service this equipment.

Warning

This equipment must be installed and maintained by service personnel as defined by AS/NZS 3260.

Incorrectly connecting this equipment to a general-purpose outlet could be hazardous. The

telecommunications lines must be disconnected 1) before unplugging the main power connector or 2)

while the housing is open, or both.

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Cisco ONS 15454 SDH Reference Manual, R4.6

April 2008

Chapter 1 Shelf and FMEC Hardware

1.1 Overview

Warning

The ONS 15454 SDH is intended for installation in restricted access areas. A restricted access area

is where access can only be gained by service personnel through the use of a special tool, lock, key,

or other means of security. A restricted access area is controlled by the authority responsible for the

location.

Warning

The ONS 15454 SDH is suitable for mounting on concrete or other non-combustible surfaces only.

Caution Unused card slots should be filled with a blank faceplate (Cisco P/N 15454E-BLANK). The blank

faceplate ensures proper airflow when operating the ONS 15454 SDH without the front door attached,

although Cisco recommends that the front door remain attached.

1.1 Overview

When installed in an equipment rack, the ONS 15454 SDH assembly is typically connected to a fuse and

alarm panel to provide centralized alarm connection points and distributed power for the

ONS 15454 SDH. Fuse and alarm panels are third-party equipment and are not described in this

documentation. If you are unsure about the requirements or specifications for a fuse and alarm panel,

consult the user documentation for the related equipment. The front door of the ONS 15454 SDH allows

access to the shelf assembly, fan-tray assembly, and cable-management area. The FMEC cover at the top

of the shelf allows access to power connectors, external alarms and controls, timing input and output,

and craft interface terminals.

Warning

Ultimate disposal of this product should be handled according to all national laws and regulations.

Warning

A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.

You can mount the ONS 15454 SDH in an ETSI rack. The shelf assembly weighs approximately 26 kg

(57 pounds) with no cards installed. The shelf assembly includes a front door and a Front Mount

Electrical Connection (FMEC) cover for added security, a fan tray module for cooling, and extensive

cable-management space.

All ONS 15454 SDH optical cards have SC connectors on the card faceplate, except the

STM-1SH 1310-8 and MXP_2.5_10G cards, which have LC connectors. Fiber-optic cables are routed

into the front of the optical and Ethernet cards. Electrical cards (E-1, E-3, DS-3i, STM-1E) require

FMEC cards to provide the cable connection points for the shelf assembly.

The ONS 15454 SDH is powered using –48VDC power. Negative, return, and ground power terminals

are connected via the MIC-A/P and the MIC-C/T/P cards.

Note In this chapter, the terms “ONS 15454 SDH” and “shelf assembly” are used interchangeably. In the

installation context, these terms have the same meaning. Otherwise, shelf assembly refers to the physical

steel enclosure that holds cards and connects power, and ONS 15454 SDH refers to the entire system,

both hardware and software.

1-3

Cisco ONS 15454 SDH Reference Manual, R4.6

April 2008

Chapter 1 Shelf and FMEC Hardware

1.2 Typical DWDM Rack Layouts

Install the ONS 15454 SDH in compliance with your local and national electrical codes:

•United States: National Fire Protection Association (NFPA) 70; United States National Electrical

Code

•Canada: Canadian Electrical Code, Part I, CSA C22.1

•Other countries: If local and national electrical codes, are not available, refer to IEC 364, Part 1

through Part 7.

Warning

Dispose of this product according to all national laws and regulations.

Figure 1-1 provides the dimensions of the ONS 15454 SDH.

Figure 1-1 ONS 15454 SDH Dimensions

1.2 Typical DWDM Rack Layouts

Typical dense wavelength division multiplexing (DWDM) applications may include:

•2 ONS 15454 SDH shelves

•1 dispersion compensation unit (DCU)

Front View

ide View

Top View

616.5 mm

(24.27 in.)

61213

280 mm (11.02 in.)

280 mm

(11.02 in.)

40 mm (1.57 in.)

535 mm (21.06 in.) total width

1-4

Cisco ONS 15454 SDH Reference Manual, R4.6

April 2008

Chapter 1 Shelf and FMEC Hardware

1.2 Typical DWDM Rack Layouts

•8 patch panels (or fiber storage tray[s])

Or, alternatively:

•2 ONS 15454 SDH shelves

•2 DCUs

•7 patch panels (or fiber storage tray[s])

See Figure 1-2 for a typical rack layout. If you are installing a patch panel or fiber storage tray below

the ONS 15454 shelf, you must install the air ramp between the shelf and patch panel/fiber tray or leave

one rack unit (RU) space open.

1-5

Cisco ONS 15454 SDH Reference Manual, R4.6

April 2008

Chapter 1 Shelf and FMEC Hardware

1.3 Front Door

Figure 1-2 Typical DWDM Equipment Layout

1.3 Front Door

The Critical, Major, and Minor alarm LEDs visible through the front door indicate whether a critical,

major, or minor alarm is present anywhere on the ONS 15454 SDH. These LEDs must be visible so

technicians can quickly determine if any alarms are present. You can use the LCD to further isolate

alarms.

96606

2000 mm (78.74 in.)

FUSE & ALARM PANEL

FIBER STORAGE

PATCH PANEL

DCU

AIR RAMP

STORAGE

AIR RAMP

ETSI

SHELF

ETSI

SHELF

ETSI 600 x 300

1-6

Cisco ONS 15454 SDH Reference Manual, R4.6

April 2008

Chapter 1 Shelf and FMEC Hardware

1.3 Front Door

The ONS 15454 SDH features a locked door to the front compartment. A pinned hex key that unlocks

the front door ships with the ONS 15454 SDH. A button on the right side of the shelf assembly releases

the door. The front door provides access to the shelf assembly, cable-management tray, fan-tray

assembly, and LCD screen (Figure 1-3).

Figure 1-3 The ONS 15454 SDH Front Door

Door lock Door button

Viewholes for Critical, Major and Minor alarm LEDs

33923

CISCO ONS 15454

Optical Network System

1-7

Cisco ONS 15454 SDH Reference Manual, R4.6

April 2008

Chapter 1 Shelf and FMEC Hardware

1.3 Front Door

You can remove the front door of the ONS 15454 SDH to provide unrestricted access to the front of the

shelf assembly (Figure 1-4).

Figure 1-4 Removing the ONS 15454 SDH Front Door

61237

FAN FAI L CRIT MAJ MIN

Door hinge

Assembly hinge pin

Assembly hinge

Translucent

circles

for LED

viewing

1-8

Cisco ONS 15454 SDH Reference Manual, R4.6

April 2008

Chapter 1 Shelf and FMEC Hardware

1.3 Front Door

An erasable label is pasted on the inside of the front door (Figure 1-5). You can use the label to record

slot assignments, port assignments, card types, node ID, rack ID, and serial number for the

ONS 15454 SDH.

Figure 1-5 Front-Door Erasable Label

The front door label also includes the Class I and Class 1M laser warning (Figure 1-6).

P/N 47-12460-01

78098

1-9

Cisco ONS 15454 SDH Reference Manual, R4.6

April 2008

Chapter 1 Shelf and FMEC Hardware

1.4 Front Mount Electrical Connection

Figure 1-6 Laser Warning on the Front-Door Label

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:

•FMEC Slot 18 supports an electrical card in Slot 1.

•FMEC Slot 19 supports an electrical card in Slot 2.

78099

1-10

Cisco ONS 15454 SDH Reference Manual, R4.6

April 2008

Chapter 1 Shelf and FMEC Hardware

1.4 Front Mount Electrical Connection

•FMEC Slot 20 supports an electrical card in Slot 3.

•FMEC Slot 21 supports an electrical card in Slot 4.

•FMEC Slot 22 supports an electrical card in Slot 5.

•FMEC Slot 23 hosts the MIC-A/P alarm and power card.

•FMEC Slot 24 supports the MIC-C/T/P timing, craft, and power card.

•FMEC Slot 25 supports an electrical card in Slot 13.

•FMEC Slot 26 supports an electrical card in Slot 14.

•FMEC Slot 27 supports an electrical card in Slot 15.

•FMEC Slot 28 supports an electrical card in Slot 16.

•FMEC Slot 29 supports an electrical card in Slot 17.

FMEC slots have symbols indicating the type of cards that you can install in the slots. Each

ONS 15454 SDH FMEC has a corresponding symbol. The symbol on the FMEC must match the symbol

on the slot. Table 1-1 shows the slot-FMEC symbol definitions.

Table 1-2 lists the number of ports, line rates, connector options, and connector locations for

ONS 15454 SDH electrical FMECs.

Table 1-1 Slot and FMEC Symbols

Color/Shape Definition

Orange/Circle Electrical 75-ohm E-1 connection via 1.0/2.3 miniature coax connectors. Only

install ONS 15454 SDH FMECs with a circle symbol on the faceplate.

Orange/Circle Electrical 120-ohm E-1 connection via DB-37 connectors. Only install

ONS 15454 SDH FMECs with a circle symbol on the faceplate.

Green/Star Electrical 75-ohm E3/DS3 connection via 1.0/2.3 miniature coax connectors.

Only install ONS 15454 SDH FMECs with a star symbol on the faceplate.

Red/Vertical ellipse Node power and interface for environmental alarms. Only install

ONS 15454 SDH FMECs with a vertical ellipse symbol on the faceplate.

Red/Horizontal

ellipse

Node power and LAN timing. Only install ONS 15454 SDH FMECs with a

horizontal ellipse symbol on the faceplate.

Table 1-2 FMEC, Ports, Line Rates, and Connectors

FMEC Ports Line Rate per Port Connector Type

Connector

Location

FMEC-E1 14 2.048 Mbps 1.0/2.3 miniature coax

connector

EFCA

FMEC-DS1/E1 14 2.048 Mbps DB-37 EFCA

FMEC E1-120NP 42 2.048 Mbps Molex 96-pin LFH

connector

EFCA

FMEC

E1-120PROA

3 to 42 2.048 Mbps Molex 96-pin LFH

connector

EFCA,

Slots 18 to 21

FMEC

E1-120PROB

3 to 42 2.048 Mbps Molex 96-pin LFH

connector

EFCA,

Slots 26 to 29

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