Filename: T_ERRATA 1

Errata L

Comtech EF Data Documentation Update

Subject: Revised BUC Reference

Date: October 26, 2006

Document: CDM-570/570L Satellite Modem with Optional IP Module,

Installation and Operation Manual, Rev. 4, dated April 12, 2006

Part Number: MN/CDM-570L.EL4

Collating Instructions: Attach this page to page 12-2

Comments:
Change BUC Reference as highlighted
Change Specifics:
BUC Reference
(10 MHz)
Phase Noise
On center conductor of L-band output connector; 10.0 MHz ± 0.02 ppm (Optional 1 ppm)
-3.0 dBm, ± 3 dBm; programmable ON/OFF
Source: 1. Internal Modem Reference
2. External Reference (10 MHz)
dB/Hz Frequency Offset
-80 1 Hz
-110 10 Hz
-135 100 Hz
-140 1 kHz