System information

FCD 901 48
Issue R2A, 07.2009
XMP1 Release 5.5 System Description
Central Unit interfaces
Page 1-12 Proprietary Information Aastra
1.1.2.9 Central Unit interfaces
V.24 interface (F interface)
• Local connection of "ServiceOn XMP1" SOX NMS
• Local connection of the SOX LCT
• Connection of the Local Service PDA.
RS485 interface (QD2-SSt.)
• Connection of ServiceOn Access
Ethernet interface (optional)
Ethernet interface to connect the Central Unit to a LAN. Thus, access to the
XMP1 network is possible by ServiceOn XMP1 (SOX) and ServiceOn
Access (SOA) via IP.
Signalling interface
• Display of A and B alarms on the signalling panel of the Central Unit
using LEDs. A and B alarms are routed via floating contacts.
• NE Control, 3 input contacts (door contacts), 2 output contacts
Redundancy interface
Connection of a second Central Unit via a specific RJ 45 connecting cable.
1.1.2.10 Signal concentrator
The signal concentrator module provides interfaces (sensors and
transmitters) to external units.
Using the sensors, messages received from external devices can be
processed. In addition, such external devices can be controlled via the
transmitters.
1.1.2.11 Local Craft Terminal SOX-LCT
Local maintenance and operator terminal for on-site use.
The SOX-LCT Local Craft Terminal is connected to the V.24 interface on the
Central Unit of the node.