Cisco Systems 1500 System Modules

1-15

Cisco Metro 1500 Series Hardware Installation Guide

78-10588-03

Chapter1 Product Overview System Modules

System Modules

The Cisco Metro 1500 series system is a modular system, in which modules can

be added or exchanged during operation. You can adjust the system unit to meet

your application requirements. Purchasing a chassis that is not fully populated

with modules allows you to upgrade the system at a later time.

This section describes the following system modules:

•Wavelength Channel Modules

•Multiplexer and Demultiplexer Modules

•Band Splitter Module

•Remote Switch Module

•TDM4E Wavelength Channel Modules

Note The network element management interface (NEMI) and the device

element management interface (DEMI) are described in the Cisco

Metro 1500 Series Software Configuration Guide.

The Cisco Metro 1500 series system uses the technology of Dense Wavelength

Division Multiplexing (DWDM) to optimize usage of available optical fibers.

WCMs convertthe local optical signals to separate wavelengths of the ITU-T grid

necessary for DWDM. The MUX is a passive high performance module which

integrates up to eight optical signals into one wavelengthband for transportation

through the BSM on one single-mode fiber (Figure 2-13).

The DMX receives the wavelength band from the corresponding MUX at the

remote end of the link via the BSM. In the DMX, the wavelengthband is split into

separate wavelength channels that are transferred to the WCMs for reconversion

into the customer application signal as shown in Figure 2-13.

Contents

Main CHAPTER Product Overview Product Description Communication Channels Figure 1-1 shows the multiplexer architecture. Figure 1-1 Multiplexer Architecture Primary and Extension Chassis Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter1 Product Overview Communication Channels Figure 1-2 Typical Cisco Metro1500 Series Conguration Ethernet cables Ethernet hub DC Input Uplink 6x 5x 4x 3x 2x 1x External bus cable Expansion Modules Power 1 Power 2 WCM RSM Figure 1-3 Primary Chassis NEMI DMX Figure 1-4 Extension Chassis A Figure 1-5 Extension Chassis B WCM BSM DMX Power 1 Power 2 Figure 1-7 shows the rear view of the primary chassis and extension chassis. 78-10588-03 Figure 1-6 Extension Chassis C WCM MUX DMX Power 1 Power 2 Page 16-Channel WCM System 32-Channel WCM System 128-Channel ESCON System Chassis Dimensions Labeling Page Airflow System Power Supply Module System Modules Wavelength Channel Modules Data Rate Transparent WCMs Data Rate Transparent Front Panel LEDs WCMs with Fixed Clock Recovery Clock Recovery Front Panel LEDs WCMs with Settable Clock Recovery Optical Connectors of the WCM Multiplexer and Demultiplexer Modules Chapter1 Product Overview System Modules Figure 1-10 MUX and DMX Locations Optical Connectors of the MUX and DMX Each MUX and DMX has up to 10 optical connectors: One input or output connector for each of up to eight WCMs installed in a chassis. One common input (D1 to D4 WCM chassis location), depending on the Band Splitter Module Optical Connectors of the BSM Remote Switch Module Page Figure 1-13 RSM Optical Connectors RSM Push Buttons and LEDs Three push buttons control the RSM. Table1-5 lists each push button and its function. Table1-5 RSM Push Button Descriptions Optical Connectors of the RSM Modes of Operation TDM4E Wavelength Channel Modules Page Page System Modules Figure 1-15 TDM4E Multiplexer Architecture RSM DMX TDM4E1 TDM4E2 Optical Connectors of the TDM4E On the front panel of the TDM4E there are 10 MiniSC type optical connectors: Figure 1-16 shows the optical connectors on the front panel of the TDM4E. Figure 1-16 Optical Connectors of the TDM4E TDM4E LEDs Page Network Element Management Interface Chapter1 Product Overview System Modules NEMI Location Placement POWER FAN Ch.1-8 32262 Figure 1-17 NEMI Location in the Primary Chassis and Extension Chassis B Figure 1-18 NEMI Front Panel NEMI LEDs Device Element Management Interface System Modules METRO 1500 POWER FAN DEMI Location Placement The physical location of the DEMI module is shown in Figure 1-19. Figure 1-19 DEMI Placement in an Extension Chassis DEMI Ports MUX Ch.9-16 DMX DEMI LEDs Ethernet Hub