Specifications

42 Chapter 6
Cabling the XMU+
Preparing to Cable the XMU+
To properly cable the various Control card connections, as well as to wire and connect
XMU+ line cards to the PBX, you should ensure that the following prerequisites have been
met:
 Ensure that all system requirements have been met.
See Meeting System Requirements on page 16.
 Ensure that the appropriate cables are available for connecting and wiring the XMU+.
See Matching XMU+ Cables and Connectors on page 43.
As always, cables should be properly managed during XMU+ connecting and wiring,
and properly stored after installation.
 Match the connector pinouts to specific line cards.
See Matching Connector Pinouts to XMU+ Line Cards on page 45.
 Understand the PBX table conventions used in this chapter.
See PBX Interface Table Conventions and Abbreviations on page 42.
PBX Interface Table Conventions and Abbreviations
The following color abbreviations are used in the PBX interface tables (see Common
Interface Tables (By Application) on page 56):
In addition, the following conventions are used in the PBX interface tables (see Common
Interface Tables (By Application) on page 56):
Abbreviation... Cable Color... Abbreviation... Cable Color...
Blk Black Grn Green
Brn Brown Blu Blue
Red Red Vlt Violet
Org Orange Slt Slate
Ye l Ye l l o w W h t W h i t e
This Convention... Identifies...
Pin The pin number on the 50 position connector.
Color The wire color/stripe color for the wire corresponding to
the pin on the 50 position connector.
*
The signal from PBX power supply or system ground.