443B101/443B102 21
Manual 19854 Rev. D
ECN 50523
Command: REF0
Purpose: Turns off the internal sinusoidal reference oscillator.
Response: The module responds with a “0” to tell the calling process the command has
been received.
Command String: XYC0ZREF0
Description: X—Rack number of the target module (Range: ASCII printable characters, 0
through 3)
Y— Slot number of the target module. (Range: ASCII printable characters, 0
through 7)
C0Z— Module type for the target. Specifying "C01" in this argument addresses
a 443B101, specifying “C02” addresses a 443B102.
REF0— Commands module to turn off the internal oscillator.
Response String: “0”
Description: This return indicates that the command was received by the card.
Example: Command String: “04C01REF0”
Response String: “0”
The 443B101 in rack 0 and slot 4 is commanded to turn off the internal
oscillator.