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The RS-232 MIB is associated with the FastHub ifTable out-of-band management interface. The FastHub supports the following RFC-1317 groups:
The associated MIB objects for these groups are described below.
Implementation of this group is mandatory.
This read-only MIB object displays the number of ports (regardless of their current state) in the RS-232-like general port table.
| Default Value: | 1 |
This table contains a list of port entries. The number of entries is given by the value of rs232Number. Each entry defines the following:
This read-only MIB object displays a unique value for each port. Its value ranges between 1 and the value of rs232Number. By convention, hardware port numbers map directly to external connectors. The value for each port must remain constant from one reinitialization of the network management module (NMM) to the next reinitialization.
This read-only MIB object displays the port's hardware type.
| Valid Values: | other | (1) |
| rs232 | (2) | |
| rs422 | (3) | |
| rs423 | (4) | |
| v35 | (5) | |
| Default Value: | rs232 | (2) |
rs232PortInSigNumber (integer)
This read-only MIB object displays the number of input signals for the port in the input signal table (rs232PortInSigTable). The table contains entries for only those signals the software can detect.
| Default Value: | 4 |
rs232PortOutSigNumber (integer)
This read-only MIB object displays the number of output signals for the port in the output signal table (rs232PortOutSigTable). The table contains entries for only those signals the software can assert.
| Default Value: | 2 |
This read-write MIB object specifies the port input speed in bits per second.
| Default Value: | 9600 |
This read-write MIB object specifies the port output speed in bits per second.
| Default Value: | 9600 |
RS-232-like Asynchronous Port Group
A list of asynchronous port entries. The maximum entry number is given by the value of rs232Number. Each entry defines the following:
This read-only MIB object displays a unique value for each port. Its value is the same as rs232PortIndex for the port.
rs232AsyncPortBits (integer [7 to 8])
This read-write MIB object specifies for this port the number of bits in a character.
| Default Value: | 8 |
rs232AsyncPortStopBits (integer)
This read-write MIB object specifies for this port the number of stop bits.
| Valid Values: | one | (1) |
| two | (2) | |
| Default Value: | one | (1) |
rs232AsyncPortParity (integer)
This read-write MIB object specifies for this port the sense of a character parity bit.
| Valid Values: | none | (1) |
| odd | (2) | |
| even | (3) | |
| mark | (4) | |
| space | (5) | |
| Default Value: | none | (1) |
rs232AsyncPortAutobaud (integer)
This read-write MIB object is used to control the port's ability to automatically sense input speed. When rs232PortAutoBaud is enabled (1), a port can autobaud to values different from the set values for speed, parity, and character size. As a result, the NMM might temporarily observe values different from those previously set.
| Valid Values: | enabled | (1) |
| disabled | (2) | |
| Default Value: | enabled | (1) |
rs232AsyncPortParityErrs (integer)
This read-only MIB object displays the total number of characters with a parity error input from the port since system reinitialization and while the port state was up or test.
| Initial Value: | 0 |
rs232AsyncPortFramingErrs (integer)
This read-only MIB object displays the total number of characters with a framing error input from the port since system reinitialization and while the port state was up or test.
| Initial Value: | 0 |
rs232AsyncPortOverrunErrs (integer)
This read-only MIB object displays the total number of characters with an overrun error input from the port since system reinitialization and while the port state was up or test.
| Initial Value: | 0 |
This table contains a list of port input control signal entries. Each entry defines the following:
This read-only MIB object displays the value of rs232PortIndex for the port to which this entry belongs.
This read-only MIB object identifies the hardware signal, as follows:
| rts | Request to Send |
| cts | Clear to Send |
| dsr | Data Set Ready |
| dtr | Data Terminal Ready |
| ri | Ring Indicator |
| dcd | Received Line Signal Detector |
| sq | Signal Quality Detector |
| srs | Data Signaling Rate Selector |
| srts | Secondary Request to Send |
| scts | Secondary Clear to Send |
| sdcd | Secondary Received Line Signal Detector |
| Valid Values: | rts | (1) |
| cts | (2) | |
| dsr | (3) | |
| dtr | (4) | |
| ri | (5) | |
| dcd | (6) | |
| sq | (7) | |
| srs | (8) | |
| srts | (9) | |
| scts | (10) | |
| sdcd | (11) |
This read-only MIB object displays the current signal state.
| Valid Values: | none | (1) |
| on | (2) | |
| off | (3) |
This read-only MIB object displays the number of times the signal has changed from on to off or from off to on.
This table contains a list of port output control signal entries. Each entry defines the following:
rs232OutSigPortIndex (integer)
This read-only MIB object reads the value of rs232PortIndex for the port to which this entry belongs.
This read-only MIB object identifies the hardware signal, as follows:
| rts | Request to Send |
| cts | Clear to Send |
| dsr | Data Set Ready |
| dtr | Data Terminal Ready |
| ri | Ring Indicator |
| dcd | Received Line Signal Detector |
| sq | Signal Quality Detector |
| srs | Data Signaling Rate Selector |
| srts | Secondary Request to Send |
| scts | Secondary Clear to Send |
| sdcd | Secondary Received Line Signal Detector |
| Valid Values: | rts | (1) |
| cts | (2) | |
| dsr | (3) | |
| dtr | (4) | |
| ri | (5) | |
| dcd | (6) | |
| sq | (7) | |
| srs | (8) | |
| srts | (9) | |
| scts | (10) | |
| sdcd | (11) |
This read-only MIB object displays the current signal state.
| Valid Values: | none | (1) |
| on | (2) | |
| off | (3) |
This read-only MIB object displays the number of times the signal has changed from on to off or from off to on.
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