Verilink Red Zone Encryption (REMS) (880-502423-001) Product Manual - Manual (Page 7)

Table of Contents
Red Zone Encryption Management System User Manual vii
1 Introduction ........................................................................................................................ 1-1
Overview .......................................................................................................................... 1-1
Features ............................................................................................................................. 1-2
Full T1 bandwidth without DSU/CSUs ................................................................ 1-3
Other key advantages of REMS ............................................................................ 1-3
REMS system hardware configuration ................................................................. 1-4
Diagnostics and performance monitoring ........................................................................ 1-6
Network performance parameters ......................................................................... 1-6
Alarms ................................................................................................................... 1-6
Registers database ................................................................................................. 1-7
Standards and compliance ................................................................................................ 1-8
AS2000 compatibility ....................................................................................................... 1-9
2 System Overview ................................................................................................................ 2-1
AS2000 rack-mountable shelf system .............................................................................. 2-1
Plug-in modules .................................................................................................... 2-1
Dual-line and multiline shelves ............................................................................ 2-2
Dual-line shelf configuration ................................................................................ 2-3
Multiline shelf configuration ................................................................................ 2-3
Overview of FBR and BRC Hardware ............................................................................. 2-5
Overview of the REMS component connections .................................................. 2-5
3 Theory of operation ............................................................................................................ 3-1
Verilink solves historical problems of encryption over T1 networks .............................. 3-1
Framing Encrypted T1 signals .............................................................................. 3-1
Accessing performance data ................................................................................. 3-2
Verilink’s REMS solution to encrypted T1 transmission ..................................... 3-2
Keystones of the New Functionality ..................................................................... 3-3
System operation .............................................................................................................. 3-5
How the REMS aligns itself ................................................................................. 3-5
BRC frame synchronization .................................................................................. 3-5
Encryptor synchronization .................................................................................... 3-6
FBR alignment and framing .................................................................................. 3-6
Alignment sequence .............................................................................................. 3-7
DTE alignment ...................................................................................................... 3-9