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OSN 500 550 580 V100R008C50 Commissioning and Configuration Guide 02

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Parameter Description: CES Port (OptiX OSN 580)

Parameter Description: CES Port (OptiX OSN 580)

Before configuring a CES service, you must configure the CES port.

SDH Ports

This section describes SDH port parameters, for example, parameters for setting a port name and displaying a port mode.

Table 3-329  Parameters for the attributes of an SDH port
Parameter Value Description
Port Example: 8-EM10-11(PORT-11)

Displays the port name.

Name Example: port1

Specifies the manually customized port name.

Port Mode Layer 1

Displays the working mode of the CES port Layer 1 indicates the channelized STM port is currently available.

The OptiX OSN equipment currently supports only Layer 1 in Port Mode. In this case, the OptiX OSN equipment can transmit channelized STM-1 services.

Encapsulation Type Null

Indicates the link layer encapsulation type that can be identified and processed by the port.

When Encapsulation Type is set to Null, no link layer encapsulation is available or the link layer encapsulation is not performed.

The OptiX OSN equipment currently supports only Layer 1 in Port Mode. For this reason, the value Encapsulation Type must be Null and cannot be changed.

Channelize Yes

Displays whether the port is a channelized port.

Channelize refers to the use of the low-speed tributary signals in the STM-N service. One fiber is used to transmit multiple mutually independent channels of data. Each channel of data exclusively occupies the bandwidth, in addition to the starting point, terminating point, and monitoring policy.

Max Data Packet Size (byte) -

Specifies the maximum size of the packets that can be received by the port.


This parameter is currently inapplicable to the OptiX OSN equipment.

Laser Interface Enabling Status -



This parameter is currently inapplicable to the OptiX OSN equipment.

Table 3-330  Parameters for an associated service




Service Type

Example: CES service

Displays the type of the service associated with the port.

Service ID

Example: 20

Displays the ID of the service associated with the port.

When you select the value of the service ID, the active window changes to the service management dialog box of the corresponding service type.

Service Name

Example: CES

Displays the name of the service associated with the port.

Used Resource

Example: 64K Timeslot1-31

Displays the resource used by the service associated with the port.

Path Configuration

When configuring an E1 port, you need to configure the basic attributes and frame format to ensure that the frame format matches the service encapsulation format.

Table 3-331  Channel parameters





Example: NE(18-113)-6-EM10-11(PORT-11)-VC4:1-VC12:1

Displays channel information.

VC12 Frame Format

Unframe, Double Frame, and CRC-4 Multiframe

Specifies the frame format.

When the E1 port transmits CES services in CESoPSN mode, this parameter can be set to Double Frame or CRC-4 Multiframe. You are advised to set this parameter to CRC-4 Multiframe. When the CES services are in SAToP mode, this parameter needs to be set to Unframe.

Frame Mode

30 and 31

Specifies the value of the frame mode.

The frame modes of the local port and opposite port need to be consistent.

Re-timing Mode

Master, Slave

Default: Master

The Re-timing Mode parameter specifies the re-timing mode of a port.

  • Master: Indicates that the internal clock is adopted.
  • Slave: Indicates that the clock from ACR is adopted.
Updated: 2019-01-21

Document ID: EDOC1100020976

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