Introdución
This manual provides detailed instructions for the installation, operation, and maintenance of the Juniper SCB-MX960-S Switch Control Board with Routing Engine. This board is designed for use within Juniper MX240, MX480, and MX960 series routers, providing essential control plane and routing engine functionalities for high-performance network environments.

Figure 1: Juniper SCB-MX960-S Switch Control Board with Routing Engine.
Configuración e instalación
Proper installation is crucial for the optimal performance and longevity of your SCB-MX960-S. Ensure the router chassis is powered off and grounded before proceeding.
1. Precaucións de seguridade
- Always wear an electrostatic discharge (ESD) wrist strap connected to a grounded surface when handling the control board.
- Ensure the router chassis is powered off and unplugged from the power source.
- Do not force the board into the slot; align it carefully.
2. Installing the SCB-MX960-S
- Locate an available SCB slot in your Juniper MX240, MX480, or MX960 chassis. Refer to your router's chassis documentation for specific slot locations.
- Carefully align the SCB-MX960-S with the guides in the chosen slot.
- Slide the board into the slot until it is fully seated. The ejector levers should begin to move inward.
- Push the ejector levers firmly inward until they click into place, securing the board.
- Connect necessary cables (e.g., console, management Ethernet) to the front panel ports of the SCB-MX960-S.
3. Acendido e configuración iniciais
- After installation, connect the router to a power source and power it on.
- Monitor the system boot process via the console port.
- Access the Junos OS CLI to perform initial configuration, including network interfaces, routing protocols, and system settings. Refer to the Junos OS documentation for detailed configuration guides.
Instrucións de funcionamento
The SCB-MX960-S operates as the central control and routing engine for the Juniper MX series router. Its primary function is to manage the router's control plane, including routing protocols, system management, and network services.
1. Indicadores de estado
The front panel of the SCB-MX960-S features various LEDs to indicate its operational status:
- LED de ESTADO: Indicates the overall operational status of the board. Green for normal operation, amber for minor alarms, red for major alarms.
- LINK/ACTIVITY LEDs: For Ethernet management ports, indicate link status and data activity.
- LED ALARMA: A dedicated LED for system alarms.
2. Acceso de xestión
Access the SCB-MX960-S for management and configuration via:
- Porto da consola: For direct serial access, especially during initial setup or troubleshooting.
- Management Ethernet Ports: For remote access via SSH, Telnet, or web interface (J-Web) once configured.
Mantemento
Regular maintenance ensures the reliability and performance of your SCB-MX960-S.
1. Comprobacións de rutina
- Periodically check the status LEDs on the front panel for any alarm indications.
- Monitor system logs for errors or warnings.
- Ensure proper airflow around the router chassis to prevent overheating.
2. Actualizacións de firmware e software
Keep the Junos OS software updated to the latest stable version to benefit from new features, bug fixes, and security enhancements. Refer to Juniper Networks documentation for upgrade procedures.
3. Limpeza
If necessary, gently clean the front panel of the board with a soft, dry, lint-free cloth. Do not use liquid cleaners directly on the board.
Resolución de problemas
This section provides solutions to common issues you might encounter with the SCB-MX960-S.
| Problema | Causa posible | Solución |
|---|---|---|
| SCB STATUS LED is Amber or Red | Minor or Major alarm detected; board not fully seated; power issue. | Check system logs for specific alarm details. Reseat the board firmly. Verify power supply status. |
| Cannot access CLI via Console | Incorrect console cable; incorrect serial port settings; board not powered on. | Ensure correct console cable (RJ-45 to DB-9 adapter). Verify serial settings (9600 baud, 8 data bits, no parity, 1 stop bit, no flow control). Check board power. |
| Management Ethernet port no link | Cable issue; port disabled; network configuration error. | Check Ethernet cable. Ensure port is enabled and configured correctly in Junos OS. Verify connectivity to the connected device. |
Especificacións
Key technical specifications for the Juniper SCB-MX960-S Switch Control Board:
- Modelo: SCB-MX960-S
- Marca: Redes de enebro
- Compatible Chassis: Juniper MX240, MX480, MX960 Series Routers
- Peso do artigo: 10 libras (aproximadamente)
- Fabricante: REDES DE JUNIPER
- Clasificación de protección internacional: IP54 (Protection against dust and splashing water)
- ASIN: B07R2DSZ2D
- Primeira data dispoñible: 31 de xaneiro de 2020
Garantía e Soporte
For detailed warranty information and technical support, please refer to the official Juniper Networks website or contact your authorized Juniper Networks reseller. Warranty terms and support options may vary based on region and purchase agreement.
Oficial de Juniper Networks Websitio: www.juniper.net





