Starplus Triad Xts Installation Digital Key Telephone System Instructions Guide

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Chapter 2 - Features and Operation
T-1 Signaling Type
Description
The T-1 trunk card provides theXTSDigital Systems with the ability to connect to digital T-1
trunk circuits. The T-1 trunk card supports either the standard D4 framing format with
Alternate Mark Inversion (AMI) or Extended Superframe (ESF-B8ZS) format coding. The
system can support TIE, loop start, ground start, and DID signaling per channel. The T-1 trunk
card fits into one card slot.
The T-1 signaling protocols...

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Chapter 2 - Features and Operation
6. Enter a valid number (0-7) on the dial pad that corresponds to one of the following types:
7. Press the HOLD button. A confirmation tone sounds and the display updates.
DEFAULT…T-1 Signal Type option is Loop Start.
T-1RingbackOption
Description
The T-1 Ringback option supports T-1 channels which require ringback tone to be
transmitted to the caller while a call is ringing. Some carriers require the system to generate
the ringback tone, this...

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2. Enter a 0 or 1 on the dial pad to enable/disable this feature.
[0] = Disabled
[1] = Enabled
3. Press the HOLD button. A confirmation tone sounds and the display updates.
DEFAULT…T-1 Ringback option is enabled.
T-1 Dial Tone Option
Description
AnoptionhasbeenaddedtosupportT-1channelswhichdonotsupplydialtone.Some
carriers require the system to generate dial tone to its users, while other carriers do not.
Programming Steps
1. Press the T-1 DIAL...

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Chapter 2 - Features and Operation
2. Enter a valid number for the range of lines being programmed. If only one line is being
programmed, enter that number twice (001 001).
3. Press Button #21 to select Page C. The display updates. The following message displays to
indicate current programming of that line or group of lines:
XXX-XXX = CO Line Range
4. Press the WINK TIMER Button(FLASH 40, Page C, Button #3)intheflexiblebuttonfield.
The following message displays:
5. Enter a valid...

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3. Press the HOLD button to save the entry. A confirmation tone sounds and the display
updates.
DEFAULT…T-1 Collect Timer is set for 150ms.
T-1 Incoming Signaling
Description
The T-1 Incoming Signaling option allows the installer to determine the type of incoming
signaling to be used by all T-1 trunks in the system.
Programming Steps
There are two types of T-1 Signaling available for T-1 Trunks. To change the type of signaling:
1. Press the T1...

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Chapter 2 - Features and Operation
3. Press the HOLD button to save the entry. A confirmation tone sounds and the display
updates.
DEFAULT…T-1 Framing type is set for D4SF-AMI.
Conditions
»TheT-1boardmusthavefirmwareVersion1.0Gorhigher.
T-1/ISDN Alarm Programming
Description
The T-1 Trunk card and the system software provide tools to help detect and isolate problems
which may occur with the T-1 circuit. There are six LEDs mounted on the outside edge of the
T-1 Trunk card...

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Chapter 2 - Features and Operation
Programming Steps
1. Press the BLUE ALARM flexible button(FLASH 47, Button #2).Button#2andButton#11
LEDs are lit steady. The following message displays:
2. Enter a 0 or 1 on the dial pad to enable/disable this feature.
[0] = Disabled
[1] = Enabled
3. Press the HOLD button to save the entry. A confirmation tone sounds and the display
updates.
4. Continue programming the Blue Alarm parameters using the steps provided earlier in
this...

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Red Alarm
Description
The Red Alarm is declared by the T-1 Trunk card when a loss of signal is detected, or an Alarm
Indication Signal is received. A Red Alarm can be caused by a loss of carrier signal, a receive
out of frame sync condition, or an alarm indication signal.
Programming Steps
1. Press the RED ALARM flexible button(FLASH 47, Button #4). Button #4 and Button #11
LEDs are lit steady. The following message displays:...

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Chapter 2 - Features and Operation
Frame Slip Alarm
Description
When a Frame Slip or change in frame alignment is detected, the T-1 Trunk card freezes all
incoming signaling states and realigns the receive buffer. If all alarm conditions are clear,
signaling states are released and normal operation resumes.
Programming Steps
1. Press FRAME SLIP flexible button(FLASH 47, Button #6).Button#6andButton#11LEDs
are lit steady. The following message displays:
2. Enter a 0 or 1...