HP 37718A Installation And Verification Manual page 118

Performance Tests
PDH/DSn Frequency Measurement and Looped Clock
Table 3-1
Receive
Frequency
140 Mb/s E4)
1.544 Mb/s (DS-1)
1.544 Mb/s (DS-1)
1.544 Mb/s (DS-1)
44.736 Mb/s (DS-3) 22,368,000 Hz
44.736 Mb/s (DS-3) 22,365,763 Hz
44.736 Mb/s (DS-3) 22,370,237 Hz
3-50
PDH/DSn Offsets
Synthesizer Displayed
Frequency Offset
69,638,963 Hz +95.5 to +104.5 ppm
772,000 Hz -4.5 to +4.5 ppm
771,923 Hz -95.5 to -104.5 ppm
772,077 Hz +95.5 to +104.5 ppm
-4.5 to +4.5 ppm
-95.5 to -104.5 ppm
+95.5 to +104.5 ppm