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SNMP MIB Objects
E-113160-A2-GB22-10 December 1996
Number of Ports – “rs232Number” Object
(rs232 1)
This object contains the number of ports in the
RS-232-like general port table. This number is 4 for the
3160 DSU/CSU and 6 for the 3164 DSU/CSU.
General Port Table, RS-232-like MIB
The general port table contains general configuration
objects for the RS-232-like interfaces.
General Port Table – “rs232PortIndex”
Object (rs232PortEntry 1)
This object contains a unique value for each port and is
used as an index into the general port table
(rs232PortTable).
General Port Table – “rs232PortType” Object
(rs232PortEntry 2)
This object is used to identify the ports hardware type.
Only the following values are supported by the
DSU/CSU.
•
rs232(2) – Used to identify the MODEM and COM
ports.
• rs422(3) – Used to identify ports that are
configured as EIA-530A or RS-449.
• V35(5) – Used to identify ports that are configured
as V
.35.
General Port Table –
“rs232PortInSigNumber” Object
(rs232PortEntry 3)
This object contains the number of input signals
contained in the input signal table. This is the number of
signals that can be detected. This number is 2 for the
synchronous DCE ports and 0 for the MODEM and COM
ports.
General Port Table –
“rs232PortOutSigNumber” Object
(rs232PortEntry 4)
This object contains the number of output signals
contained in the output signal table. This is the number of
signals that can be asserted. This number is 2 for the
synchronous DCE ports and 0 for the MODEM and COM
ports.
General Port Table – “rs232PortInSpeed”
Object (rs232PortEntry 5)
This object contains the port’
s input speed in bits per
second. For the T1 DSU/CSU, this object is read-only.
The input speed of a synchronous data port is determined
by the channel configuration and cannot be changed
through this object. The input speed of the MODEM or
COM port is the currently configured speed.
General Port Table – “rs232PortOutSpeed”
Object (rs232PortEntry 6)
This object contains the port’
s output speed in bits per
second. For the T1 DSU/CSU this object will be
read-only. The output speed of a synchronous data port is
determined by the channel configuration and cannot be
changed through this object. The output speed of the
MODEM or COM port is the currently configured speed.
Asynchronous Port Table, RS-232-like MIB
The asynchronous port table contains an entry for each
of the MODEM or COM port when the port is configured
for asynchronous operation. For the T1 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.
• 8 – 8-bit characters.