Huawei SSN4GSCC intelligent system control board, works with the to manage the boards on the equipment and realize the communication between different pieces of equipment.


3-5 days

Shenzhen Warehouse

SKU: 2015135 Category:


SSN4GSCC overview

The GSCC is the intelligent system control board. The GSCC works with the to manage the boards on the equipment and realize the communication between different pieces of equipment.

Versions of the GSCC
Functional versions The GSCC is available in the following functional versions: N4 and N6.
Differences Packet performance specifications differ between the N4GSCC and the N6GSCC. For details, see Packet System Performance.
Substitution The GSCC boards of different versions cannot directly substitute for each other. If the GSCC of a later version needs to substitute for the GSCC of an earlier version, the NE software needs to be upgraded accordingly.
Valid Slots

The GSCC must be installed in a valid slot in the subrack. Otherwise, the GSCC cannot work normally.

The GSCC can be installed in slots 24 and 25 in the subrack. By default, slot 24 houses the active board and slot 25 houses the standby board.


Basic functions Performs the service configuration function and service grooming function, monitors the service performance, and collects information about performance events and alarms.
  • Provides the 10M/100M Ethernet port, which is used for communicating with the NMS. The Ethernet port is accessed through the EOW.
  • Provides the F&f interface, which is accessed through the AUX and is used to manage the COA.
  • Provides one 64 kbit/s synchronous data port F1, which is accessed through the AUX.
  • Provides the RS232 OAM interface, which is used for connecting a PC or workstation, and supports the remote maintenance by using a modem that uses the RS232 DCE interface. The OAM interface is accessed through the EOW.
DCC communication Processes a maximum of 160 DCCs (D1–D3). In this manner, the link is provided for transmitting the NM information.
Overhead processing Processes the E1, E2, F1, and serial1–serial4 bytes.
Clock function
  • Provides the RTC.
  • Supports the high-precision clock synchronization feature, and complies with the IEEE 1588 V2 protocol. The N4GSCC receives the time information through interfaces S1–S4 of the EOW. The S1, S3 and ALMI4 interfaces receive the first channel of time information, and the S2, S4 and ALMI4 interfaces receive the second channel of time information.
Alarms and maintenance features
  • Supports service performance monitoring and collects information about performance events and alarms.
  • Provides 16 alarm inputs and four alarm outputs through the AUX.
  • Provides one 4-output alarm cascading port through the AUX.
  • Controls the four cabinet indicators through the AUX.
  • Supports intelligent fan speed control and manages the fan alarms.
  • Supports simulation package loading and diffused loading.
  • Supports the function of detecting whether a packet data board is in position.
Power supply management
  • Reports the alarm indicating a fault in the power supply (the power supply and the backup power supply of the EOW), for the AUX/EOW board.
  • Supports the monitoring of the –48 V or –60 V power supply.
  • Supports the in-service check function for the PIU board and supports the failure check function for the lightning protection module of the PIU.
Protection schemes Supports the 1+1 Hot Backup for the SCC Unit. When the active board is faulty, services are switched to the standby board automatically.


If GSCC boards are used in packet systems, two N4GSCC/N6GSCC boards of the same version need to be configured in 1+1 backup mode.

Packet function The N4GSCC and N6GSCC support the packet function.

For information about the performance of the packet system, see Packet System Performance.


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