DC | DC Operation: Requires the unit to be powered from a DC source exclusively, typically +12 to +35 VDC. |
EX10 | External Time Base: Available when a user prefers to reference the clock of an existing source of 10 MHz. |
HR | Relay Contact Closure: A contact closure occurs at the top of each Hour. Hour and 1/2 Hour closure may be ordered on some products. Relay contacts are rated at 10-Watts maximum load, 500mA maximum switching current. |
OCXO | OCXO: Provides an Oven Controlled Crystal Oscillator. |
UL | "UL" Approved Power Supply: The unit is supplied with a UL/CSA approved wall mount power supply (90-264 VAC). |