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SNMP MIB Objects
E-19
3162-A2-GB20-40
August 2000
Asynchronous Port Table, RS-232-like MIB
The asynchronous port table contains an entry for the 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.
H 7 – 7-bit characters. Supported on the COM port only.
H 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.
H one(1) – One stop bit.
H two(2) – Two stop bits. Supported on the COM port only.
H 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.
H none(1) – No parity bit.
H odd(2) – Odd parity. Supported on the COM port only.
H even(3) – Even parity. Supported on the COM port 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.
H disabled(2) – Autobaud is not supported.