SDH Overheads

In this user interface, you can query and set the overhead bytes (J0, J1) to be received or to be sent at the SDH interface of the DWDM equipment, and query the overhead bytes received.

Navigation Path

In the NE Explorer, click the board and select Configuration > WDM Overhead Management > SDH Overhead from the Function Tree.

Buttons

Button	Description
Display in Text Format	Enables the text format display of overhead bytes.
Display in Hexadecimal	Enables the hexadecimal display of overhead bytes.
Query	Queries the overhead information from the NE.
Apply	Imposes the configurations after the settings.

Shortcut Menu

Select an object from the object list, right-click the field of its TTI to Be Sent or TTI to Be Received parameter, and choose Copy All From Received or Manual Input from the shortcut menu.

Shortcut Menu	Description
Copy All From Received	Copies the overhead bytes to be received to improve work efficiency.
Manual Input	Displays the Overhead Byte dialog box to enter overhead bytes in it. NOTE: When setting overhead bytes in text mode, use only ASCII characters.

Parameters

Domain	Range	Description
Object	Equipment that supports the master and slave shelf management: NE name-shelf ID(shelf name)-slot number-board name-port number(port name) Equipment that does not support the master and slave shelf management: NE name-slot number-board name-port number(port name)	The format of the name of the operation object: NE name-slot No.-board name-port No.
J0 to be Sent([Mode]Content)	For example: [16 Bytes]	Sets the J0 to be sent of the port. Where, [Mode] indicates the byte mode of the J0 byte to be sent, which includes the single-byte mode, 16-byte mode and 64-byte mode. The "content" indicates the value of the J0 byte to be sent. Double-click this column to enter the Please input the overhead byte dialog box where you can set the J0 to be sent of the port.
J0 to be Received([Mode]Content)	For example: [16 Bytes]	Sets the J0 to be received of the port. Where, [Mode] indicates the byte mode of the J0 byte to be received, which includes the single-byte mode, 16-byte mode and 64-byte mode. The "content" indicates the value of the J0 byte to be received. Double-click this column to enter the Please input the overhead byte dialog box where you can set the J0 to be received of the port.
J0 Received(Content)	For example: [16 Bytes]	Display the J0 received of the port.
Input in Text Format	For example: A	The text entry field is used to input the desired byte.
Byte Mode	Single-Byte Mode, 16-Byte Mode (the first byte is created automatically), 64-Byte Mode (With Synchronization Bit 0x0D/0x0A) and 64-Byte Mode (Without Synchronization Bit)	Before input the text, you need to select the byte mode. Different boards support different modes.
Input Mode	Text Mode, Hexadecimal	Selects an input mode before entering texts. Text Mode means you can enter characters directly; Hexadecimal means you enter texts in hexadecimal mode.