RE clock interface: GPS input, 1/5/10 Mhz frequency

You can configure the Routing Engine's external clock interface to a GPS timing source. You can then select a GPS external source as the chassis clock source. You can also configure the external clock interface to output either the selected chassis clock source or a recovered line clock source with GPS timing signals of 1 MHz, 5 MHz, or 10 MHz with 1 pulse per second (PPS).