DRAFT SYSTEM SPECIFICATION FOR THE ENTERPRISE DIGITAL IF MULTI-CARRIER (EDIM) MODEM Revision 0.3 30 Sept 2020 Prepared by: United States Army Project Manager Defense Communications and Army Transmission Systems (PM DCATS) Product Manager, Wideband Enterprise Satellite Systems (PdM WESS) SFAE-PST-WE Fort Belvoir, VA 22060-5526 EDIM Modem Solicitation # W52P1J-21-R-0001 Section 4: System Specification 30 Sept 2020 HISTORY OF CHANGES Rev Date Sections Change Description v0.0 16 Apr 2020 all Contracts Review Package draft v0.1 15 May 2020 all DoD SATCOM Stakeholder Review draft v0.2 03 Aug 2020 all Draft Solicitation Package Review draft v0.3 30 Sept 2020 all RFI for Vendor Review i EDIM Modem Solicitation # W52P1J-21-R-0001 Section 4: System Specification 30 Sept 2020 TABLE OF CONTENTS HISTORY OF CHANGES ...................................................................................... i TABLE OF CONTENTS ....................................................................................... ii LIST OF TABLES ...............................................................................................xix LIST OF FIGURES ............................................................................................. xx SYSTEM SPECIFICATION FOR THE EDIM MODEM ......................................... 1 1 SCOPE....................................................................................................... 1 1.1 Identification .......................................................................................... 1 1.2 General ................................................................................................. 1 1.3 Multi-Carrier Modem Operation ............................................................ 1 1.3.1 Modem Emulations .......................................................................... 1 1.3.2 Data Traffic Cover ........................................................................... 1 1.4 Digital IF Migration ................................................................................ 2 1.4.1 Dual IF Interface Sets ...................................................................... 2 1.4.2 Digital IF Functions .......................................................................... 2 1.5 Applications and Usage ........................................................................ 2 1.5.1 Enterprise Applications .................................................................... 3 1.5.2 Monitoring and Control Flexibility .................................................... 3 1.6 Upgradability ......................................................................................... 3 2 APPLICABLE DOCUMENTS ..................................................................... 4 2.1 Government Documents ....................................................................... 4 2.1.1 Specifications, Standards and Handbooks ...................................... 4 2.1.2 Other Government Documents, Drawings and Publications ............ 5 2.2 Non-Government Documents ............................................................... 6 3 REQUIREMENTS ...................................................................................... 9 3.1 Item Definition ....................................................................................... 9 3.1.1 External Interfaces........................................................................... 9 3.1.1.1 Front Panel Interfaces ............................................................. 9 3.1.1.1.1 Power Switch ................................................................... 9 3.1.1.1.2 Power / Alarm Light ......................................................... 9 3.1.1.1.3 Audible Alarm .................................................................. 9 3.1.1.1.4 Mute Button ................................................................... 11 3.1.1.1.5 Front Panel Display ....................................................... 11 3.1.1.1.6 Front Panel Ethernet M&C Port ..................................... 11 3.1.1.2 Rear Panel Interfaces ............................................................ 11 3.1.1.2.1 Ethernet Data Traffic ..................................................... 11 3.1.1.2.2 L-Band IF ....................................................................... 11 3.1.1.2.3 Digital IF ........................................................................ 11 ii EDIM Modem Solicitation # W52P1J-21-R-0001 Section 4: System Specification 30 Sept 2020 3.1.1.2.4 Rear Panel Ethernet M&C Ports .................................... 12 3.1.1.2.5 Time & Frequency References ...................................... 12 3.1.1.2.5.1 5/10 MHz Frequency Reference ......................... 12 3.1.1.2.5.2 1 pps Timing Reference ...................................... 12 3.1.1.2.5.3 IRIG-B Timing Reference ................................... 12 3.1.1.2.6 Power ............................................................................ 13 3.1.1.2.7 Ground Stud .................................................................. 13 3.1.2 System Functions .......................................................................... 13 3.1.2.1 L-Band Modem (LM).............................................................. 15 3.1.2.2 Digital IF Modem (DM) .......................................................... 15 3.1.2.3 Wideband Signal Processor (WSP) ....................................... 15 3.1.2.4 Digital IF Conversion System (DCS) ..................................... 16 3.1.2.5 L-Band Modem Adapter (LMA) .............................................. 17 3.1.2.6 Test and Measurement (T&M) ............................................... 18 3.1.3 Interoperability ............................................................................... 18 3.1.3.1 NATO STANAG 4486 Ed4 (EBEM) ....................................... 18 3.1.3.2 Cryptographic Key Formats ................................................... 18 3.2 Function and Performance .................................................................. 18 3.2.1 Time and Frequency Base ............................................................ 19 3.2.1.1 Date and Time Base .............................................................. 19 3.2.1.2 Frequency Base .................................................................... 20 3.2.2 Ethernet Data Traffic Interface ...................................................... 20 3.2.2.1 Ethernet Format .................................................................... 20 3.2.2.2 Radio-Router Signaling ......................................................... 20 3.2.2.3 Data Traffic Rate Estimation .................................................. 21 3.2.3 L-Band IF Interface ........................................................................ 21 3.2.3.1 L-Band IF Amplitude Response Variation .............................. 21 3.2.3.2 L-Band IF Group Delay Variation .......................................... 21 3.2.3.3 L-Band IF Non-Damaging Input Power.................................. 21 3.2.3.4 L-Band IF Isolation ................................................................ 21 3.2.4 Digital IF Interface ......................................................................... 21 3.2.4.1 Digital IF Capacity ................................................................. 22 3.2.4.2 IP Addressability .................................................................... 22 3.2.4.3 Digital IF Protocols ................................................................ 22 3.2.4.4 Digital IF Network Connectivity .............................................. 25 3.2.5 Signal Processing Functions ......................................................... 26 3.2.5.1 Modem Function and Performance ....................................... 26 3.2.5.1.1 General .......................................................................... 26 iii EDIM Modem Solicitation # W52P1J-21-R-0001 Section 4: System Specification 30 Sept 2020 3.2.5.1.1.1 Ethernet Bridge ................................................... 26 3.2.5.1.1.2 Carrier Count and Independence ....................... 26 3.2.5.1.1.3 Data Traffic Rates ............................................... 26 3.2.5.1.1.4 Symbol Rates ..................................................... 27 3.2.5.1.1.5 NSA and/or FIPS Certification ............................ 27 3.2.5.1.1.6 DRA Support ...................................................... 27 3.2.5.1.1.7 Adaptive Equalization ......................................... 27 3.2.5.1.1.8 WSIC .................................................................. 29 3.2.5.1.1.9 Automatic Failover Support ................................ 30 3.2.5.1.2 NATO STANAG 4486 Ed4 (EBEM) Emulations ............ 31 3.2.5.1.2.1 Payload ............................................................... 31 3.2.5.1.2.2 Features ............................................................. 31 3.2.5.1.2.3 Bulk Encryption for Cover ................................... 32 3.2.5.1.2.4 Waveform ........................................................... 32 3.2.5.1.3 LM Operation ................................................................. 33 3.2.5.1.3.1 LM Transmission ................................................ 33 3.2.5.1.3.2 LM Reception ..................................................... 33 3.2.5.1.3.3 LM Loopback Operation ..................................... 34 3.2.5.1.4 LM Uplink Performance ................................................. 35 3.2.5.1.4.1