10 MHz Reference Alarms
1.
Internal Reference Mode
The summary alarm indicator and contact closure will be set if the internal reference is not detected by the internal
reference power detector. The external reference indicator will always be off in this mode.
2.
External Pass Reference Mode
The summary alarm indicator and contact closure will be set if the external reference power is less than
-5 dBm, +/- 1 dBm. The external reference indicator will always be on in this mode.
3.
External Pass Auto Reference Mode
The summary alarm indicator and contact closure will be set if the external reference power is less than
-5 dBm, +/- 1 dBm. The external reference indicator will always be on in this mode.
4.
External Lock Reference Mode
The summary alarm indicator and contact closure will be set if the external reference power is less than
-5 dBm ,+/- 1 dBm. The summary alarm indicator and contact closure will be set if the internal reference
cannot lock to the external reference. The external reference indicator will always be on in this mode.
5.
External Lock Auto Reference Mode
The summary alarm indicator and contact closure will be set if the external reference power is less than -5 dBm,
+/- 1 dBm. The summary alarm indicator and contact closure will be set if the internal reference cannot lock to
the external reference. The external reference indicator will always be on in this mode.
2099-2424 Manual, Rev. C
Page 19
02/12/20