Nortel Passport 4460, Справочник по аппаратуре

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72 Chapter 3 Expansion Modules
205677-F Rev 00
The following modes must operate at the speeds shown in this table:
The illustration below shows a 6-port Serial Data Expansion Module back panel.
Note:
On Passport 4460 units supporting master clocking, only the first
of the six ports can supply clock to the backplane. However, all six ports
can receive clock from the backplane.
Mode Speed
V.35/V.36/X.21 300 b/s to T1/E1 speeds
Nx64 Up to 2.048 Mb/s
RS-232/V.24 300 b/s to 128 Kb/s
Note:
Serial port pin assignments and configuration information are the
same as for the serial port located on the Passport 4460 base module. This
information is located in Chapter 6 of this manual.
10163EA
6 PORT
SERIAL
R6 T6 R5 T5 R4 T4 R3 T3 R2 T2 R1 T1