Specifications include, but are not limited to: Clock #1 • 19-inch rackmount capability, 1RU preferred up to 3RU would be accepted • Satellite receiver must be able to use GPS, GLONASS, and Galileo satellites for timing • Dual internal power supplies with failover capability o First power supply will have a 120 VAC input using a terminal block or vendor supplied cable and connector o Second power supply will have a 48 VDC input using a terminal block or vendor supplied cable and connector • The holdover oscillator (OCXO) will have a minimum of 5 x 10-10 stability for 1 second. • Alarm contacts to for loss of a power supply and loss of satellite signals. This can be a single contact for both. • BITS clock output requirements o Minimum of 2 output ports using RJ45 connector