User's Manual

Table Of Contents
Connecting IDU to External Equipments
Connecting External Equipments through HSI port
Depending on the configuration (customer´s order) the IDU is equipped with specific HSI module.
To extend the functionality of GX800 system with 1-2 E1/T1 ports, use IDU configuration with
inserted HSI-2E1/T1 module. You can directly connect to a maximum of two E1/T1 lines or
devices through RJ48 connector.
To extend the functionality of GX800 system with 1 E3/DS3 (G.703) ports, use IDU configuration
with inserted HSI-E3/DS3 module.
Tsunami™ GX800 Installation and Management Guide 21
Figure 20: HSI 2xE1/T1 Module
Figure 21: HSI E3/DS3 Module