To connect the router to a ToD external timing device:
1. Attach an electrostatic discharge (ESD) grounding trap on your bare wrist, and connect the strap to
one of the ESD points on the chassis.
2. Plug one end of the RJ-45 cable into the ToD port on the front panel of the router.
3. Plug the other end of the RJ-45 cable into the ToD timing device.
4. Verify that the LEDs for the ToD port on the router are lit steadily green.
5. Configure the port. See Configuring Clock Synchronization Interface on MX Series Routers.
Table 37: Time-of-Day Port on the MX204 Router
DescriptionLabelCallout
ToD RJ-45 port with LED.ToD13
(See Figure 39 on page 102)
Connecting a BITS External Clocking Device to the Router
The router has an external building-integrated timing supply (BITS) port, labeled BITS, on the front panel
of the router.
To connect the router to a BITS external clocking device:
1. Attach an electrostatic discharge (ESD) grounding trap on your bare wrist, and connect the strap to
one of the ESD points on the chassis.
2. Plug one end of the RJ-45 cable into the internal clock port on the craft interface.
3. Plug the other end of the RJ-45 cable into the BITS external clocking device.
4. Verify that the LEDs for the BITS port are lit steadily green.
5. Configure the port. See Configuring Clock Synchronization Interface on MX Series Routers.
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