Alcatel Omni Switch/Router, Руководство пользователя

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WAN Modules
Page 3-22
WAN Modules
The Omni Switch/Router currently supports the following Wide Area Network (
WAN
)
modules:
•
WSX-S-2W
Provides two serial ports that support Frame Relay or
PPP
.
•
WSX-SC
Provides four or eight serial ports that support Frame Relay or
PPP
with data compression
.
•
WSX-FT1/E1-SC Provides o
ne or two
T1
/
E1
ports and one or two serial ports that
support Frame Relay or
PPP with data compression
.
•
WSX-BRI-SC Provides o
ne or two Universal Serial Ports (
USPs
) ports and one or two
ISDN-BRI
ports that support Frame Relay or
PPP with data compression
.
All of these modules are described and illustrated in the sections beginning on page 3-27.
A
WSX
switching module is actually a submodule, or daughtercard, that attaches to an Omni
Switch/Router High-Speed Module (
HSX
). The
HSX
contains
RISC
processors,
RAM
for holding
software image files,
ASICs
for performing switching, and Content Addressable Memory (
CAM
)
for storing
MAC
addresses. You plug your cable into the
WSX
submodule, but it is the
HSX
module that connects to the switch’s backplane.
WAN Pinouts
The figures and tables on the following pages illustrate the pinouts used on Omni
Switch/Router
WAN
modules. Please note that the signal commonly knows as “remote loop-
back” (
LL
) is not supported on the
WAN
serial port (see WAN Serial Port Specifications on
page 3-25). In addition, CTP2, CTP1, and CTP0 are assigned to CS(B), DR(B), and CD(B),
respectively, on the serial port. The later are not used in the cable configurations that require
the former.
See Appendix B, “Custom Cables,” for information on cables used to connect the serial
connector to different interface types.