3Com CoreBuilder 9000, User Manual

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30 C
HAPTER
1: O
VERVIEW
Figure 1 shows the front panel of the ATM Switch Fabric Module. Note
that, in the figure, the Module is shown on its side; in the 16-slot chassis
you install it vertically with the LEDs on top.
Figure 1 ATM Switch Fabric Module Front Panel
The Module Status LED indicates the ATM Switch Fabric Module’s status.
The dual PCMCIA slots have two indicator LEDs (one for each slot), and
the RS-232 console port has one indicator LED.
Interfaces to ATM The CoreBuilder 9000 ATM Enterprise Switch provides wire-speed
interfaces for ATM OC-3c/STM-1, ATM OC-12c/STM-4, and
ATM 155 Mbps-over-UTP5 daughter cards, which are listed in Table 4.
These cell-based daughter cards are designed to be installed into ATM
Interface Modules that are inserted into CoreBuilder 9000 chassis slots.
Each ATM Interface Module can accommodate two of the following
daughter cards in any combination: OC-3c/STM-1, OC-12c/STM-4, and
155 Mbps-over-UTP5. The OC-3c/STM-1 and OC-12c/STM-4 daughter
cards are available in single-mode or multi-mode. An OC-3c/STM-1 card
is available with three single-mode ports and one multi-mode port.
Module Status LED
LAN PC Card Slots
RS-232 Console Port
Table 4 ATM Interfaces
Module Type No. of Ports Rate (Mbps)
OC-3c MMF
1
4 155
OC-3c SMF 2 4 155
OC-3c/STM-1 MM
1
1 MM = multimode fiber
4 155
OC-3c/STM-1 SM 2
2 SM = Single Mode Intermediate
4 155
OC-12c/STM-4 MM 1 622
OC12c/STM-4 SM IR 1 622
155 Mbps-over-UTP5 4 155