Specifications
IPmux-24 Ver. 1.5 i
Contents
Chapter 1. Introduction
1.1 Overview.................................................................................................................... 1-1
Device Options ....................................................................................................... 1-1
Applications ............................................................................................................ 1-2
Features ................................................................................................................. 1-2
E1 Interface ....................................................................................................... 1-2
T1 Interface ....................................................................................................... 1-2
Timing ................................................................................................................ 1-3
Packet Networks ................................................................................................ 1-3
Payload Encapsulation ........................................................................................ 1-4
QoS ................................................................................................................... 1-5
Ring Topology .................................................................................................... 1-5
Management ...................................................................................................... 1-5
Environment ...................................................................................................... 1-6
1.2 Physical Description ................................................................................................... 1-7
1.3 Functional Description ................................................................................................ 1-7
Service Type ........................................................................................................... 1-8
Unframed ........................................................................................................... 1-8
Fractional ........................................................................................................... 1-8
Fractional with CAS ............................................................................................ 1-8
HDLC.................................................................................................................. 1-8
Timeslot Assignment in a Bundle ............................................................................. 1-8
Testing ................................................................................................................... 1-9
Timing Modes ......................................................................................................... 1-9
E1/T1 Timing ...................................................................................................... 1-9
System Timing .................................................................................................... 1-9
Network Timing Schemes ........................................................................................ 1-9
External Network Timing ................................................................................... 1-10
Adaptive Timing ............................................................................................... 1-11
Frame Format ....................................................................................................... 1-11
IP Encapsulation (MPLS and IP Networks) .......................................................... 1-11
MPLS Encapsulation (Ethernet and MPLS Networks) .......................................... 1-14
Payload Encapsulation .......................................................................................... 1-14
Packet Delay Variation .......................................................................................... 1-16
PDVT (Jitter) Buffer ............................................................................................... 1-16
Packet Creation Time (PCT) ................................................................................... 1-17
TDMoIP ............................................................................................................ 1-17
CESoPSN .......................................................................................................... 1-17
SAToP .............................................................................................................. 1-18
Round Trip Delay .................................................................................................. 1-18
Ethernet Throughput ............................................................................................ 1-18
Pseudowire OAM .................................................................................................. 1-19
End-to-End Alarm Generation ................................................................................ 1-19
Trail-Extended Mode ............................................................................................. 1-19
VLAN Traffic Behavior ........................................................................................... 1-20
Bridge ................................................................................................................... 1-21
Double Host ......................................................................................................... 1-21
Ring Topology ....................................................................................................... 1-21
Management ........................................................................................................ 1-23
Security ........................................................................................................... 1-23