Related Manuals for Comtech EF Data CIC-50
Summary of Contents for Comtech EF Data CIC-50
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Page 1: Installation And Operation Manual
CIC-50 T1/E1 G.703 Interface Converter Installation and Operation Manual (Accessory Product for use only with Comtech EFData CDM-550/550T Modems) Part Number MN/CIC50.IOM Revision 1... - Page 3 Comtech EF Data Documentation Update Subject: Revised Paragraph 3.1.4 Pin Assignments Date: October 14, 2002 Document: CIC-50 T1/E1 G.703 Interface Converter, Installation and Operation Manual, Rev. 1, dated October 20, 1999 Part Number: MN/CIC50.EA1 Collating Instructions: Attach this page to page 4 Comments: The following changes provide updated information for Para.
- Page 5 CIC-50 T1/E1 G.703 Interface Converter Installation and Operation Manual Comtech EFData is an ISO 9001 Registered Company. Part Number MN/CIC50.IOM Revision 1 Octember 20, 1999 Copyright © Comtech EFData, 2000. All rights reserved. Printed in the USA. Comtech EFData, 2114 West 7th Street, Tempe, Arizona 85281 USA, (480) 333-2200, FAX: (480) 333-2161.
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Page 6: Customer Support
Customer Support Contact the Comtech EFData Customer Support Department for: • Product support or training • Information on upgrading or returning a product • Reporting comments or suggestions concerning manuals A Customer Support representative may be reached at: Comtech EFData Attention: Customer Support Department 2114 West 7th Street Tempe, Arizona 85281 USA... -
Page 7: Table Of Contents
Table of Contents ..........................USTOMER UPPORT ..........................BOUT THIS ANUAL Conventions and References ........................iv Reporting Comments or Suggestions Concerning this Manual ............iv ..........................ARRANTY OLICY Limitations of Warranty ........................vii Exclusive Remedies ..........................vii Disclaimer ............................vii INTRODUCTION ......................1 CHAPTER 1. INSTALLATION ......................2 CHAPTER 2. -
Page 8: About This Manual
About this Manual This manual provides installation and operation information for the Comtech EFData CIC-50 T1/E1 G.703 Interface Converter. This is a technical document intended for earth station engineers, technicians, and operators responsible for the operation and maintenance of the CIC-50 T1/E1 G.703 Interface Converter. - Page 9 Environmental The CIC-50 must not be operated in an environment where the unit is exposed to extremes of temperature outside the ambient range 0 to 500C, precipitation, condensation, or humid atmospheres above 95% RH, altitudes (un-pressurised) greater than 2000 meters, excessive dust or vibration, flammable gases, corrosive or explosive atmospheres.
- Page 10 Immunity: EN 50082 Part 1 - Generic immunity standard, Part 1: Domestic, commercial and light industrial environment. In order that the CIC-50 continues to comply with these standards, observe the following instructions: • All 'D' type connectors attached to the unit must have back-shells which provide continuous metallic shielding.
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Page 11: Warranty Policy
CIC-50 T1/E1 G.703 Interface Converter Preface Warranty Policy This Comtech EFData product is warranted against defects in material and workmanship for a period of two years from the date of shipment. During the warranty period, Comtech EFData will, at its option, repair or replace products that prove to be defective. - Page 12 Preface CIC-50 T1/E1 G.703 Interface Converter This page is intentionally left blank. viii Rev.1.0...
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Page 13: Chapter 1. Introduction
In order to accommodate the G.703 data formats commonly used at 1544 kbps (T1) and 2048 kbps (E1), the CIC-50 converter attaches to the rear of the modem at the 25-pin data connector. No external power is required and all settings are made on the CIC-50 using three switches. -
Page 14: Chapter 2. Installation
3. The 25-pin male D-sub connector includes two captive screws which can be reached by sliding a screwdriver through the holes located at the opposite end of the CIC-50. The only reason for removing the cover is to clearly guide the screwdriver to these captive screws. -
Page 15: Chapter 3. Operation
G.703 clock recovery circuitry. The recovered clock and data drive into the modem on the TT and SD lines, respectively. Three switches must be set properly on the CIC-50, depending upon the specific G.703 format in use. They can be accessed with a small screwdriver. -
Page 16: Ami Or Hdb3/B8Zs
CIC-50 T1/E1 G.703 Interface Converter 3.1.2 AMI or HDB3/B8ZS For both T1 and E1 formats, this sets the G.703 output to either the uncoded Alternate Mark Invert (AMI) format, or to the appropriate zero substitution line code used for T1 (B8ZS) or E1 (HDB3). -
Page 17: Indicators And Troubleshooting
175 bit times at T1 or 32 bit times at E1, the Loss Of Signal LED will illuminate. This will not activate an alarm on the CDM-550, but the CIC-50 will generate AIS (all ones) data into the modem timed directly off the internal clock reference provided to it. -
Page 18: Summary Of Specifications
CIC-50 T1/E1 G.703 Interface Converter Chapter 5. SUMMARY OF SPECIFICATIONS Equipment Type T1/E1 G.703 Interface Converter Modems Supported Comtech EFData CDM-550 and CDM-550T Digital Satellite Modems Operating Modes E1 (2048 kbps) balanced (120 ohms) and unbalanced (75 ohms) T1 (1544 kbps) unbalanced (100 ohms) Per ITU Recommendation G.703... - Page 19 METRIC CONVERSIONS Units of Length Unit Centimeter Inch Foot Yard Mile Meter Kilometer Millimeter 1 centimeter — 0.3937 0.03281 0.01094 6.214 x 10 0.01 — — 1 inch 2.540 — 0.08333 0.2778 1.578 x 10 0.254 — 25.4 1 foot 30.480 12.0 —...
- Page 20 2114 85281 WEST TH STREET TEMPE ARIZONA 480 • 333 • 2200 PHONE 480 • 333 • 2161...