User guide
COMPLIANCE NOTES AND SAFETY INSTRUCTIONS 1
2.1 INTRODUCTION 9
2.2 EXAMPLE APPLICATIONS 10
2.2.1 Desktop modem to desktop modem with no external timing 10
2.2.2 Desktop modem to desktop modem with external timing 10
2.2.3 Desktop unit to Ascom rack system 10
2.2.4 Desktop unit to Ascom AM70 Multiplexer 11
2.2.5 Ethernet LAN to Ethernet LAN 11
3.1 FRONT PANEL 13
3.2 REAR PANEL 14
4.1 UNPACKING AND CONSIGNMENT CHECK 15
4.1.1 Ordering Information for Modems 15
4.1.2 Ordering Information for User Interface Modules 15
4.2 CONNECTING THE HIGH SPEED MODEM 16
4.3 CONFIGURING THE MODEMS 17
4.3.1 Desktop modem to desktop modem with no external timing 17
4.3.1.1 Configuring SLAVE unit 18
4.3.1.2 Configuring MASTER unit 18
4.3.1.3 Synchronisation 19
4.3.2 Desktop modem to desktop modem with external timing 19
4.3.2.1 Setting External Timing 20
4 INSTALLATION 15
3 UNIT FEATURES 13
2 SYSTEM DESCRIPTION 9
1 SCOPE 7
TTE - Network Statements:
Network connections for which the apparatus is compatible:
a) Analogue Baseband connection up to a rate of 1024kbps.
b) Digital X.21 connection up to a maximum rate of 1024kbps.
c) Digital V.35 connection up to a maximum rate of 1024kbps.
d) Digital X.21bis (V.24/V.28) connection up to a maximum rate of 19.2kbps.
e) Digital V.36 connection up to a maximum rate of 1024kbps.
f) Digital G.703 connection at a rate of 64kbps.
During EMC testing, the digital port cable used was of a screened type. To ensure
compliance, it is recommended that a screened cable be used on this port when in use.
Caution - Electrostatic sensitive device
Electro-static discharge (ESD) Warning:
DURING INSTALLATION DO NOT DISCARD ANY CONNECTOR
COVERS OR DUMMY PLUGS.
To ensure compliance with ESD criteria, ensure any port or connector
that is not in use is protected by the cover or dummy plug supplied.
Electrostatic precautions should be used at all times.
Manufacturers Declaration*
Ascom Telecommunications Ltd. Declares that this product is
in conformity with the essential requirements of the ‘R&TTE
directive 1999/5/EC’.
*A copy of the Declaration of Conformity is available upon request from Ascom
Telecommunications Limited.
ASCOM USER GUIDE
High Speed Base Band Modems
32 ASCOM USER GUIDE
High Speed Base Band Modems