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Description

TNF1SCC Version Description

The SCC is available in the following hardware versions: TNF1 and TNF3.

The following provides the board(s) supported by the OSN device. However, the availability of the board(s) is subject to PCNs.

Version description of the SCC:

Board	Product Applicable-Initial Version	Logical Board Description
TNF1SCC	1800 I&II Compact-V100R001C01	TNF1: SCC.
TNF3SCC	1800 I&II Compact-V100R005C20	TNF3: F3SCC and F3STG. NOTE: Only the logical board F3STG supports 1588v2 and physical-layer clocks.

 

 TNF1SCC and TNF3SCC version differences

Item	TNF1SCC					TNF3SCC
Type	TNF1SCC			TNF1SCC02		TNF3SCC01	TNF3SCC02	TNF3SCC03	TNF3SCC04
Version	Version B	Version D	Version E	Version D	Version E	–
Using the lead-free processing technique	No	No	Yes	No	Yes	Yes
Ports on the front panel	The number of ports and indicators on the front panel of TNF1SCC is different from that on the front panel of TNF3SCC. For details, see Front Panel (TNF1SCC) and Front Panel (TNF3SCC).
CLI Management Port	Not supported					Supported
Boards supported	The boards supported by TNF1SCC are different from those supported by TNF3SCC. For details, see Board Category.
CF card	Not supported	Not supported	Not supported	Supported	Supported	Not supported
Master/Slave subrack	Supported					Supported
Micro switch	Not supported	Supported	Supported	Supported	Supported	Supported
Housekeeping alarm input/output port	Supported					Supported
Inter-subrack wavelength protection	Supported					Not supported
UPM management	Supported					Not supported
IEEE 1588v2	Not supported					Supported
Physical-layer clock	Not supported					Supported
NE database restoration and software upgrade through the USB port	Not supported					Supported
G.8273.2a	Not supported					Not supported	Not supported	Supported	Supported
G.8275.1a	Not supported					Supported
Logical fiber connections turn red	Not supported					Supported by V100R006C20 and later versions
IPA	Not supported					Supported by V100R006C20 and later versions
Optical cross-connection	Not supported					Supported by V100R006C00 and later versions
OPA	Not supported					Supported by V100R006C00 and later versions
Optical Doctor (OD)	Not supported					Supported by V100R006C00 and later versions
Fiber Doctor (FD)	Not supported					Supported by V100R006C20 and later versions

 

TNF1SCC Application

The SCC works with the NMS to manage the boards and transmits various maintenance and management signals. The TNF3SCC (F3STG) board supports IEEE 1588v2 and physical-layer clocks.

 

TNF1SCC Functions and features

Functions and Features	Description
Basic function	Works with the NMS to manage the boards in the equipment and enables communication between equipment.
	Processes the related overheads.
	Processes two optical supervisory channels, and receives and transmits the OSC signals.
	Provides one 3-input/1-output alarm port.
DCN	Supports ESC and OSC functions. NOTE: The OSC function on an SCC board applies to a network consisting of only compact OptiX OSN 1800s. The board uses FE optical ports, which cannot be interconnected with OSC optical ports on other boards.
L2 switch	Achieve IP communication between subracks.
Clock function	TNF1SCC: NE-level clock synchronization is not supported. TNF3SCC:
	Implements clock synchronization on an NE, and provides system clock signals and frame header signals for service boards. The clock signals comply with ITU-T G.813 and ITU-T G.823.
	traces the external clock source, service clock source, or local clock source, and provides synchronization clock sources for itself and the system.
	Supports IEEE 1588v2 time synchronization.
	Supports one external clock input/output and one external time input/output.
	Supports extraction, insertion, and processing of SSM information and clock IDs.
	The TNF3SCC03 and TNF3SCC04 boards support G.8273.2/G.8275.1.
	The TNF3SCC01 and TNF3SCC02 boards support G.8275.1.
Subrack cascading	Supports subrack cascading.
Fan alarm management	Provides power supplies to fans, supports fan speed adjustment and fan fault detection, and manages fan alarms.
Power supply management	Supports a backup power supply, checks whether the power input boards can be detected checks whether overvoltage occurs on the power input boards, and shuts down the power input boards when detecting that the voltage of the input power is low.

 

Ways of Board Acceptance
Before a board is delivered, it has to be tested strictly. Therefore, you need to test only the basic functions of the board on-site as required.

Insert the SCC board. Make sure that the board is powered on normally, the board is started normally, and the indicators on the board run normally.
Press the LAMP button on the board. The indicators on the board run normally.
Press the RST button on the board. The board is reset (cold) successfully.
Connect the NMS computer to the ETH1 or ETH2&OAM port on the board by using an Ethernet cable. Run a ping command. The returned result of the command shows that the reported IP address of the ETH1 or ETH2&OAM port is correct. In addition, the alarm indicator for each port blinks normally.
On the NMS, view the alarms generated on the SCC board. No abnormal alarm is reported.
On the NMS, perform a warm reset on the SCC board. The operation is successful.

Precautions

In the case of the OptiX OSN 1800, the NE ID and IP address stored on the SCC board are set by using the software. If the SCC board needs to be replaced in the software upgrade process, ensure that NE IDs and IP addresses are unique.
In the software upgrade process, the communication between the NMS and the GNE must be normal. Otherwise, the upgrade fails.
The following operations cannot be performed on an NE at the same time: backing up or restoring the NE data, loading the NE software, and loading board software.
In the process of copying or activating upgrade software, if the operation fails, the loading state is displayed as abnormal. In this case, the upgrade software needs to be reloaded. If loading the new software fails, you need to roll back the software to the original version.

Before replacing the SCC, back up the configuration to the NE database. After the new SCC is installed, issue the configuration to the SCC through the NMS. Replacement of the SCC does not interrupt the services.
You can use the LAMP button on the SCC board to restore the default IP address of the equipment on site. Press the LAMP button on the SCC board and hold it for five to ten seconds. Then, release the button and wait for five to ten seconds. Press the button again and hold it for more than five seconds, and then release the button. In this manner, the IP address of the equipment can be restored. The default IP address is 129.9.191.240.

 

TNF1SCC Valid Slots in the Subracks

Chassis	Valid Slots
1800 I Compact Chassis	Slot 2
1800 II Compact Chassis	Slot 8