POS Ports
The POS Ports subtab displays ONS 15600 SDH ASAP card packet-over-SDH (POS) port information. The POS Ports subtab options are described in the following table.
 
Port
The port identifier number.
Port Name
The port name.
Admin State
Shows the administrative state of the port. Choose an administrative state from the drop-down list and click Apply to change the port service state unless network conditions prevent the change. Administrative states include:
unlocked: Puts the port in service. The port service state changes to unlocked-enabled.
locked,disabled: Removes the port from service and disables it. The port service state changes to locked-enabled,disabled.
locked,maintenance: Removes the port from service for maintenance. The port service state changes to locked-enabled,maintenance.
unlocked,automaticInService: Puts the port in automatic in-service. The port service state changes to unlocked-disabled,automaticInService.
Note
CTC will not allow you to change a port service state from unlocked-enabled to locked-enabled,disabled. You must first change a port to the locked-enabled,maintenance service state before putting it in the locked-enabled,disabled service state.
Service State
An autonomously generated state that gives the overall condition of the port. Service states appear in the format: Primary State-Primary State Qualifier, Secondary State. For additional state information, see States.
Framing Type
Shows the encapsulation type set on the Card subtab:
HDLC—High-level data link control. Does not support VLAN trunking, which is standard on most Cisco data devices.
GFP-F—Frame-mapped generic framing procedure; a protocol data unit (PDU)-oriented adaptation mode that maps a client frame into one GFP frame.
X.86—Link access procedure (LAP), an HDLC-like framing structure to encapsulate IEEE 802.3 Ethernet frames.
Encap CRC
Sets the cyclic redundancy check (CRC) to verify the integrity of the transmitted data. Possible values are:
16-Bit or 32-Bit for HDLC
32-Bit or None for GFP-F
32-Bit for X.86
Link State
The physical port state. Possible values are Up and Down.
MTU
Maximum transfer unit. The largest acceptable packet size configured for that port. The maximum setting is 9000 and the default size is 1500. The MTU value is 0 until the POS port is used in creating a circuit.
Apply
Applies changes made to the port name.
Reset
Cancels any changes to the port name and returns the field to its last-saved settings.
Help
Displays context-sensitive help.

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