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    Connecting the JCS1200 Platform to a T320, T640, or a T1600 Core Router

    Replacing the Standard CBs in the T320, T640, or T1600 Core Router

    Before you connect a T320, T640, or T1600 router to the JCS1200 platform, you must replace the standard control boards (CBs) with T-CBs. To replace the CBs with T-CBs:

    1. If the router is powered on, issue the request system halt both-routing-engines operational mode command from the console or other management device connected to the router. The command shuts down the Routing Engines cleanly, so their state information is preserved.
      user@host> request system halt both-routing-engines

      Wait until a message appears on the console confirming that the operating system has halted. For more information about the command, see the Junos OS Operational Mode Commands.

    2. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
    3. Switch all circuit breakers on the power supply faceplates to the off position (O).

      Note: The CBs and T-CBs are hot-removable and hot-insertable if the router contains redundant host subsystems. However, we recommend that you power off the router before you replace the CBs and T-CBs.

    4. Set the switches on each T-CB:
      • Set the chassis ID switch to 0. You must use the same chassis ID on each T-CB.
      • Set the M/S switch on the T-CB faceplate to S.
    5. Replace each CB with a T-CB. Use the standard replacement procedure described in the hardware guide for your router.
    6. You can optionally upgrade the Routing Engines in the router. To replace each Routing Engine, follow the standard replacement procedure described in the hardware guide for your router.

    Connecting a T320, T640, or T1600 Router to the JCS1200 Platform

    After you replace the CBs with T-CBs, you connect each T-CB on the T Series router to each switch module on the JCS1200 platform. Figure 1 shows the location of the switch modules on the JCS1200 platform.

    Figure 1: Location of Switch Modules on the JCS1200 Platform

    Location of Switch
Modules on the JCS1200 Platform

    To connect the T-CBs (see Figure 2):

    1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
    2. Plug an ETH adapter into the top RJ-45 port (labeled 1) of switch module 1 on the JCS1200 platform.
    3. Connect one end of a UTP Category 5 cable to the ETH adapter.
    4. Plug the other end of the cable into the port labeled CIP on T-CB-0. Dress the cable appropriately.

      Note: The RJ-45 port labeled AUX on a T-CB is reserved for future use.

    5. If you installed a redundant switch module into switch module bay 2:
      1. Plug an ETH adapter into the top RJ-45 port (labeled 1) of switch module 2 on the JCS1200 platform.
      2. Connect one end of a UTP Category 5 cable to the ETH adapter.
      3. Plug the other end of the cable into the port labeled CIP on T-CB-1. Dress the cable appropriately.

      Figure 2: Connecting the JCS1200 Platform to a T320, T640, or T1600 Router

      Connecting the JCS1200 Platform
to a T320, T640, or T1600 Router
    6. Repeat 2 through 5 to connect up to two additional T Series routers to RJ-45 ports labeled 2 and 3 on the JCS1200 switch module.

      Note: To connect more than one router, each router must run Junos OS Release 9.2 or later.

    Note: A switch module has six external 1000Base-T Ethernet ports for 10/100/1000 Mbps connections to external Ethernet devices, such as backbones, end stations, and servers. These ports are identified as EXT1, EXT2, EXT3, EXT4, EXT5, and EXT6 in the switch configuration menus and are labeled 1 through 6 (from top to bottom) on the JCS1200 switch module.

    Note: The connections between the switch modules and the T-CBs are proprietary Ethernet connections. Do not attempt to connect these components through a switch or hub.

    Published: 2013-01-30