Different between N3GSCC and N4GSCC of NGSDH

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N3GSCC support CF card , N1GSCC doesn't supportCF card , N4GSCC doesn't supportCF card

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The difference between NGSDH EFS0 and EFS0A
1. EFS0 veneer Together with the ETF8 realize 8-way mouth FE signal access. Cooperate with EFF8 realize 8-way light mouth FE signal access. Together with the ETS8 and TSB8 realize 8-way mouth FE TPS protection of signals. N5EFS0 can also together with the ETF8A realize 8-way mouth FE signal access. N5EFS0 can also cooperate with EFF8A realize 8-way light mouth FE signal access. VCTRUNK number: N1EFS0 VCTRUNK quantity of 12. N2EFS0 N4EFS0 / N5EFS0 VCTRUNK number 24. Configuration feature: N1EFS0 / N2EFS0 / N4EFS0 VCTRUNK1 to VCTRUNK12 binding only 1 ~ 4 VC - 4 channel, VCTRUNK13 to VCTRUNK24 binding only 5 ~ 8 VC - 4 channel. 4, 8 can bind the two VC - 4 for the VC - 3 channel can also be binding for VC - 12 channels, other VC - 4 VC - 3 channel which can only be binding. The same VCTRUNK only one level of channel can be binding, cannot bind VC - 12 channels, and the binding of VC - 3 channel. 2. EFS0A veneer Together with the ETF8 realize 16-way mouth FE signal access. With EFF8 achieve 16 road light mouth FE signal access. Together with the ETF8 and EFF8 realize 8-way mouth FE and 8 road light mouth FE signal access. Together with the ETS8 and TSB8 16 road mouth FE TPS protection of signals. Number of VCTRUNK: 32 Configuration feature: The same VCTRUNK only one level of channel can be binding, cannot bind VC - 12 channels, and the binding of VC - 3 channel. 4, 8, 12, 16, this a few VC - 4 can bind into VC - 3 channels can also be bundled into VC - 12, other VC - 4 VC - 3 channel which can only be binding.

Different between EMS4 and EGS4 of NGSDH
1. EMS4 Provide 4*Ge service and 16*FEs service connect with ETF8 provide 16*FEs service(eletrical port ) connect with EFF8 provide 16*FEs service(optical port ) connect with ETF8 and EFF8 provide 8*FEs service(eletrical port )+8*FEs service(optical port ) bundlewith: 16*VC-4 /48*VC-3/1008*VC-12 mode:support 1000M full duplex 2.EGS4 connect and service 4*GE without interface card . GE eletrical port : support auto negotiation ,1000M full duplex,100M full duplex,10M full duplex (Only N1EGS4 and N4EGS4 support GE eletrical port ) GE optical port : support auto negotiation ,1000M full duplex

Differences between IN_PWR_LOW differ from IN_PWR_ABN
IN_PWR_ABN is the predecessor of IN_PWR_LOW/IN_PWR_HIGH. Due to historical reasons, both alarms exist in the OptiX OSN 8800.

Differences between TE40 and TE30 usage scenarios
Compared with TE30, TE40 has higher performance and more ports. TE40 is a good choice for holding video conferences in medium- or small-scale conference rooms and office rooms. Example: TE40 supports a maximum of 8 Mbit/s call bandwidth, while TE30 supports a maximum of 4 Mbit/s call bandwidth. TE40 supports a maximum of 1080p60 image resolution, while TE30 supports a maximum of 1080p30 image resolution. TE40 supports three video input ports, while TE30 supports two. TE30 adopts an all-in-one design that that integrates digital cameras and stereo microphones, satisfying the demand of senior managers to attend video conferences in administrative offices or small-sized conference rooms. For more differences, see TE40 Product Description and TE30 Product Description.

Function comparison of optical spectrum analyzer units MCA and WMU on OSN 6800
1. MCA boards are classified into MCA4 and MCA8, which provide four and eight ports respectively. An MCA board is mainly used to detect channel optical power, center wavelengths, optical signal-to-noise ratio (OSNR), and the number of wavelengths on an optical path. Similar to an optical spectrum analyzer, an MCA board reports the detected information to the system control board for fault diagnosis and monitoring. In addition, an MCA board can be used together with other boards to implement the automatic power equilibrium (APE) function. 2. The core function of a WMU board is to work with the system control board to lock wavelengths and monitor the wavelength offset of the transmit-end OTU board. The monitoring information is sent to the system control board by email. Then the system control board determines whether to adjust the wavelengths based on the wavelength configuration table. If wavelength adjustment is required, the system control board sends the adjustment information to the OTU board and then adjusts the wavelength offset. 3. An MCA board can monitor both the transmit end and receive end. 4. A WMU board can be configured only at the transmit end because it must work with the system control board at the local site to adjust the wavelength offset of the OTU board at the local site. 5. An MCA board mainly facilitates maintenance and a WMU board is used for function implementation. If an OTU board with 100 GHz channel spacing is used to implement a C-band 80-wavelength system, a WMU board needs to be configured to lock the operating wavelength of the OTU board. This is because the OTU board with 100 GHz channel spacing cannot satisfy the stability requirements of an 80-wavelength system, but the WMU board can help stabilize the wavelength performance.

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