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E. SNMP MIB Objects
E-22
February 2001 3160-A2-GB21-90
Asynchronous Port Table, RS-232-like MIB
The asynchronous port table contains an entry for the MODEM, AUX, or COM port
when the port is configured for asynchronous operation. For the DSU/CSU, the
entries in the table that are counters (rs232AsyncPortEntry 6–8) are used to
collect statistics and are not supported.
Asynchronous Port Table, “rs232AsyncPortBits” (rs232AsyncPortEntry 2)
This object specifies the number of bits in a character. Only the following values
are supported by the DSU/CSU.
7 – 7-bit characters. Supported on the COM and MODEM ports only.
8 – 8-bit characters.
Asynchronous Port Table, “rs232AsyncPortStopBits”
(rs232AsyncPortEntry 3)
This object specifies the number of stop bits supported. Only the following values
are supported by the DSU/CSU.
one(1) – One stop bit.
two(2) – Two stop bits. Supported on the COM and MODEM ports only.
one-and-half(3) – One and a half stop bits. Supported on the COM port only.
Asynchronous Port Table, “rs232AsyncPortParity” (rs232AsyncPortEntry 4)
This object specifies the parity used by the port. Only the following values are
supported by the DSU/CSU.
none(1) – No parity bit.
odd(2) – Odd parity. Supported on the COM and MODEM ports only.
even(3) – Even parity. Supported on the COM and MODEM ports only.
Asynchronous Port Table, “rs232AsyncPortAutoBaud”
(rs232AsyncPortEntry 5)
This object specifies the ability to automatically sense the input speed of the port.
Only the following value is supported by the DSU/CSU.
disabled(2) – Autobaud is not supported.