Hirschmann PTN-4-2/4WEM User Manual
Installation PTN-4-2/4WEM Technical support
Release 01 02/2018 https://hirschmann-support.belden.com
User Manual
Installation
Dragon PTN Interface Module
PTN-4-2/4WEM
2 Installation PTN-4-2/4WEM
Release 01 02/2018
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Hirschmann Automation and Control GmbH
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72654 Neckartenzlingen
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Installation PTN-4-2/4WEM 3
Release 01 02/2018
Contents
1. INTRODUCTION ......................................................................................................... 5
1.1 General ............................................................................................... 5
1.2 Manual References ............................................................................. 6
2. MODULE DESCRIPTION .............................................................................................. 6
2.1 Front Panel ......................................................................................... 6
2.1.1 Handle ........................................................................................................ 7
2.1.2 LEDs ............................................................................................................ 7
2.1.3 Voice RJ-45 Ports and Cables ..................................................................... 8
2.2 Functional Operation .......................................................................... 8
2.2.1 General ...................................................................................................... 8
2.2.2 Services ...................................................................................................... 9
2.2.3 CES: CESoPSN (Point-to-Point)................................................................... 9
2.2.4 CES: Hitless Switching .............................................................................. 10
2.2.5 CES: Single Path ....................................................................................... 11
2.2.6 CES: Delay Comparison in CES Features .................................................. 12
2.2.7 I/O with the Central Switching Module (=CSM) ...................................... 12
2.2.8 Synchronization / Clock Distribution / Network Timing .......................... 12
2.2.9 Selftest: Tone Generation/Level Metering .............................................. 14
2.3 Onboard Interfaces ........................................................................... 15
2.3.1 Straps ....................................................................................................... 15
2.3.2 DIP Switches ............................................................................................ 15
3. TDM FRAMES/PACKET FOR CES ................................................................................ 16
3.1 General ............................................................................................. 16
3.2 Bandwidth ........................................................................................ 16
3.3 Delay ................................................................................................ 16
3.3.1 General .................................................................................................... 16
3.3.2 Delay Parameters .................................................................................... 17
3.3.3 Estimated Delay Calculation and Formulas ............................................. 17
3.3.4 Estimated Delay Examples ....................................................................... 18
3.4 Tuning CES = Tuning TDM Frames/Packet .......................................... 18
4. MODULE SPECIFICATIONS ........................................................................................ 19
4.1 General Specifications ....................................................................... 19
4.2 Other Specifications .......................................................................... 19
4.3 Ordering Information ........................................................................ 19
5. ABBREVIATIONS ...................................................................................................... 19
4 Installation PTN-4-2/4WEM
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List of figures
Figure 1 General 4Wire Voice Example ......................................................................................... 5
Figure 2 Front Panel ...................................................................................................................... 6
Figure 3 Voice RJ-45 Connector ..................................................................................................... 8
Figure 4 Detailed Function Voice Example .................................................................................... 9
Figure 5 Hitless Switching ............................................................................................................ 11
Figure 6 Single Path Enabled ....................................................................................................... 11
Figure 7 Single Path Disabled ...................................................................................................... 12
Figure 8 4-2W4WEM Clocking/Synchronization Overview ......................................................... 13
Figure 9 4-2/4WEM: Side View.................................................................................................... 15
Figure 10 Hardware Edition ......................................................................................................... 15
Figure 11 CESoPSN Bandwidth .................................................................................................... 16
Figure 12 Delays .......................................................................................................................... 17
List of Tables
Table 1 Manual References ........................................................................................................... 6
Table 2 LED Indications In Boot Operation ................................................................................... 7
Table 3 LED Indications In Normal Operation ............................................................................... 7
Table 4 Voice RJ-45 Connector: Pin Assignments ......................................................................... 8
Table 5 Difference Between Protection and Hitless Switching ................................................... 10
Table 6 Delay Comparison in CES (Features) ............................................................................... 12
Table 7 Clocking Parameters on Port & Service Level ................................................................. 14
Table 8 Estimated Delay Formulas .............................................................................................. 18
Table 9 Estimated Delay (µs) Examples ....................................................................................... 18
Table 10 Other Specifications ...................................................................................................... 19
Installation PTN-4-2/4WEM 5
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1. INTRODUCTION
1.1 General
This document is valid as of Dragon PTN Release 3.0DR.
This document describes the 4-2/4WEM interface module (=IFM) which can be used to
interconnect leased line modems, PABXs... via the Dragon PTN Network. This module
provides 4 RJ45 ports to transport analogue voice signals between 300 - 3400Hz with a
maximum level of 5dBm. These ports are balanced voice ports with an impedance of 600Ω.
The used transportation mode is point-to-point 4-Wire voice (2-Wire = future support).
Besides the analogue voice interface, each port also provides an E&M interface (=future
support). E&M (=Ear and Mouth) is a signaling mechanism between telephone switches.
This IFM can be used in any IFM slot of any node. An IFM slot overview can be found in Ref.
[3] in Table 1.
This IFM converts the analogue voice from a voice link into MPLS-TP packets over the Dragon
PTN network, and vice versa. The destination IFM must also compensate for possible jitter
and network delays to keep everything synchronized. A packetized TDM service is called a
Circuit Emulation Service (=CES). A maximum of 4 CESs (1 per port) can be configured per 42/4WEM IFM.
The main supported features are:
Packetizing of analogue voice;
Balanced voice ports, 600Ω impedance; Sample rate 8Khz;
Services
CESoPSN (=CES over Packet Switched Network) 2W/4W Voice;
Hitless Switching / Single Path ;
A general 4Wire Voice example can be found in the figure below:
Figure 1 General 4Wire Voice Example
MPLS-TP Dragon PTN Network
WAN (via SFP on fiber)
4-2/4WEM
Module
Dragon PTN
Node
LAN1
Packetized Voice via
CESoPSN
Voice
Links
Voice
Links
LAN2
Leased Line
Modem
PABX
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1.2 Manual References
Table 1 is an overview of the manuals referred to in this manual. ‘&’ refers to the language
code, ‘*’ refers to the manual issue. All these manuals can be found in the HiProvision
(=Dragon PTN Management System) Help function.
Table 1 Manual References
Ref.
Number
Title
[1]
DRA-DRM821-&-*
Dragon PTN and HiProvision Operation
[2]
DRA-DRM801-&-*
Dragon PTN Installation and Operation
[3]
DRB-DRM802-&-*
Dragon PTN Nodes: PTN2210, PTN2209, PTN2206, PTN1104
[4]
DRB-DRM803-&-*
Dragon PTN Switching Module: PTN-CSM310-A
[5]
DRA-DRM810-&-*
Dragon PTN General Specifications
2. MODULE DESCRIPTION
2.1 Front Panel
Figure 2 Front Panel
LEDs
Port 1, 2, 3, 4:
2/4WEM ports
Handle
Spare
LED
Fastening screw
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