Redundancy/Fault Tolerance; Application-Specific Hardware - Ericsson MD110 Configuration Manual

Item
ALU-2
SIU
R1A
PU4DC
Rectifier and Power Converters
Battery Backup
System Specification
Basic Customer Library
MD110 Technician Training
Software Support Contract
An Ericsson dial-back modem is also needed for remote configuration.
2.5.2.

Redundancy/Fault Tolerance

Since the MD110 provides a redundant control system option, the following could be added for increased reliability:
Item
LPU-5
LSU/4
DSU/4
2.5.3.

Application-Specific Hardware

Items are added based on requirements for the PSTN/PBX trunks, SMDR (call information logging reports), voice mail,
operators, etc. The MD110 Technical Product Description contains information on the many possibilities.
INTERFACES AND REQUIREMENTS
Quantity
1 Alarm Unit
1 Serial Interface Unit
2 Serial Filter Unit for IPU and SIU
3 Power Unit
1 Set of items
1 Lead acid batteries
1 LIM HW and SW configuration
1 Documentation
1 Provided by EBC
1 Provided by EBC
Quantity
1 LIM Processor Unit
1 LIM Switch Unit
3 Distributed Switch Unit
Description
Description
LBI-39039B
9