Starplus Triad Xts Installation Digital Key Telephone System Instructions Guide

Network InstallationC-7
Appendix C - Networking Systems
Extension Numbering
Valid extension range numbering is between 1000 and 8999. Numbering conflicts must be
avoided. For example, if stations 100, 200, and 300 exist, the numbers 1000, 2000, and 3000
are conflicts. This is because the system detects the first three digits as validly assigned.
Therefore, the system is not prepared to accept a fourth digit.
Feature Code Numbering
Feature codes must be unique numbers that pose no conflicts. Therefore,...

C-8Network Installation
Appendix C - Networking Systems
Figure C-2: PRI Connector
ISDN and T-1 Clocking
When using PRIB or T-1 cards in one KSU, specific settings are important for proper clocking.
Popping, crackling, dropped calls, and one-way transmission are usually attributed to the
clocking not being synchronized correctly.
It is preferable to use a TELCO PRI to establish clocking for the Network (Figure C-4). If no
TELCO PRI or T-1 is available, then clocking will be controlled by the Hub system...

Network InstallationC-9
Appendix C - Networking Systems
The following figures use a symbol to represent the clock switch position on a PRI or T1
card. When the top of the symbol is black, it represents the switch in the Up or Enable
position. When the bottom of the symbol is black, it represents the switch in the Down or
Disable position.
Figure C-3: Point-to-Point PRIs
Figure C-4: TELCO PRI Connection to the Hub
External Clock Setting:Hub
Node
Up = Enable Clock
Down = Disable Clock
(Clock Source)
Hub...

C-10Network Installation
Appendix C - Networking Systems
Figure C-5: No TELCO Connection
Figure C-6: TELCO PRI Connection To a Node
Hub
Node
Node
(Clock Source)
External Clock Setting:
Up = Enable Clock
Down = Disable Clock
Hub
Node
Node
TELCO
PRI
(Clock Source)
External Clock Setting:
Up = Enable Clock
Down = Disable ClockNote: The horizontal arrow
represents Out-to-In Cabling. 

Network InstallationC-11
Appendix C - Networking Systems
Figure C-7: All Systems have TELCO PRI Connection
Figure C-8: All Systems have TELCO T1 Connection
Hub
Node
Node
TELCO
PRI
TELCO
PRI TELCO
PRI
(Clock Source)
External Clock Setting:
Up = Enable Clock
Down = Disable ClockNote: The horizontal arrow
represents Out-to-In Cabling.
Hub
Node
Node
TELCO
T1
TELCO
T1 TELCO
T1
(Clock Source)
External Clock Setting:
Up = Enable Clock
Down = Disable ClockNote: The horizontal arrow
represents Out-to-In Cabling. 

C-12Network Installation
Appendix C - Networking Systems
Figure C-9: Two PRIs from TELCO to Nodes
Figure C-10: Two T1s in Hub Connected to PRI in Nodes
Hub
Node
Node
TELCO
PRI
(Clock Source)
External Clock Setting:
Up = Enable Clock
Down = Disable ClockNote: The horizontal arrow
represents Out-to-In Cabling.
Hub
Node
Node
TELCO
T1
(Clock Source)
External Clock Setting:
Up = Enable Clock
Down = Disable ClockNote: The horizontal arrow
represents Out-to-In Cabling. 

ProgrammingC-13
Appendix C - Networking Systems
Programming
Programming must be done with a 24-button display telephone or with WinDBA. It is
recommended that WinDBA be used for network programming. The following sections
describe programming steps that pertain to networking. Each section assumes that you have
already entered system programming. The following sections provide a detailed description
of programming steps necessary for networking. A Quick Start procedure is provided at the
end of this...

C-14Programming
Appendix C - Networking Systems
7. PressHOLDtosavetheentry.
Networking Tables Programming
Description
The Networking Table is used to route calls between systems. It identifies the table number
(01-16), the CO Group (00-23), the range of station numbers (from xxxx to xxxx), which card
sends DSS/BLF information to an external location (programming for external BLF is only
done on the Hub system), and whether the Status Check is enabled or disabled.
The Table Number establishes the sequence...

ProgrammingC-15
Appendix C - Networking Systems
The system will screen and process calls in the following sequence:
If the call matches an extension specified in Flash 52 programming, the call will be
connected within the same system.
-or-
If the call matches an extension associated with Table Number 02, the call will be routed
to the appropriate remote device.
-or-
If the call matches an extension associated with Table Number 03, the caller will receive
an error tone.
Networking Tables For the Hub...

C-16Programming
Appendix C - Networking Systems
Figure C-11: Two-Node Networking Table Example
LEGEND:
Table Number= the identification number assigned to each array within the system.
CO Group= the line group used to access each system. Co Group 00 = internal calls only.
Extn Range= the extension numbering range for the array.
Ext BLF Slot= identifies PRIB slot locations in the Hub that are associated with each Node within the
network, other than the Node being defined by the Table Number row. This...