System information

FCD 901 48
Issue R2A, 07.2009
XMP1 Release 5.5 System Description
Design of the EoSDH Expansion
Aastra Proprietary Information Page 4-3
SCU-BETH
The SCU-BETH board provides four Ethernet interfaces, one line interface
as well as internal 2 Mbit/s interfaces. The four Ethernet interfaces can be
equipped with electrical and optical SFPs.
The following SFP types are available for this purpose:
• 100Base TX electrical
• 100Base FX (optical fiber)
• STM-1 S1.1 100Base LX10
CU-E (Central Unit Expansion)
The CU-E (Central Unit Expansion) board is an expansion module for the
Central Unit of the node. It provides the control functions and management
interfaces to the SCUs (SDH Core Units).
CU-E
Central Unit