Starplus Triad Xts Installation Manual

Peripheral Cards and Components 4-9
Chapter 4 - Maintenance and Troubleshooting
System Functions
The following functions are related to system resources and the common equipment boards
controlling them.
The Master Processor Board provides system central processing, real-time clock, digital (PCM)
voice processing and gain control, feature control, customer database, system tone
generation, and conference functions.
The Modem Unit provides an asynchronous modem for access to the system database and fault...

4-10 Peripheral Cards and Components
Chapter 4 - Maintenance and Troubleshooting
The Power Supply Unit (PSU) provides direct current power to the system in the form of
+30VDC, +5VDC, and -5VDC. LEDs on the PSU in each cabinet show presence of each voltage
type. Each PSU provides connections for batteries and charging current for batteries (optional).
The Miscellaneous Interface Board (MISB)
provides external paging, external contact control, music
on hold and background music inputs.
The DTRU and DTRU4...

Peripheral Cards and Components 4-11
Chapter 4 - Maintenance and Troubleshooting
Miscellaneous Functions
The following units are related to other system functions that are external to the KSU.
The Ring Generator Unit (RGU) provides ringing voltages for Single Line Telephones. Each
Cabinet supporting SLTs must have an RGU installed.
The Power Failure Transfer Unit (PFTU) provides automatic cut-over of up to 6 CO lines to up to
6 Single Line Telephones when system power or the central processor fails....

4-12Maintenance Access
Chapter 4 - Maintenance and Troubleshooting
Maintenance Access
Maintenance
The Maintenance feature allows authorized personnel to survey system and slot configuration
information. This feature may be accessed through a modem or data terminal connected to the
RS-232C port on the MPB. The commands are entered from a keyboard.
Basic Command Format-- All commands begin with a single character, such as: c, d, r, x.
†Other commands begin with a single character and are followed by a...

Maintenance Access4-13
Chapter 4 - Maintenance and Troubleshooting
System Configuration
This illustratration shows the configuration of theXTSSystem when the installer types
dsat themaint>prompt.
Figure 4-2: Remote Maintenance - System Configuration
CAB Shows the cabinet number for each board installed.
SLOT Shows the slot position where each board is installed.
CARD Identifies the type of board.
CKTS Identifies the amount of circuits associated with the board.
SERV STAT
†Out-of-Service(OOS)...

4-14Maintenance Access
Chapter 4 - Maintenance and Troubleshooting
CO/Station Configuration
This illustration shows what is printed out when the installer typesds0at the
maint>prompt.
Figure 4-3: Remote Maintenance - CO/Station Configuration
STA (Station)
FLEX-FIX-PORT Shows the flexible and fixed numbers that were assigned to each available port.
TYPE Shows the type of telephone being used by a station.
STATUS
†Out-of-Service(OOS)
status can indicate the entire card is out of service; or a
specific...

Maintenance Access4-15
Chapter 4 - Maintenance and Troubleshooting
This illustration shows what is printed out when the installer typesds2at themaint>
prompt.
Figure 4-4: Example of T1IB in Cabinet 0, Slot 2
maint> d s2
  CAB/SLOT   CARD   CKTS   SERV STAT    BRD OPTS    FW VER.
 ---------   ----   ----   -----------  ----------  ---------
   0   2      T1IB   24       INS            0         xxx-x
EVENT DESCRIPTION    ALARM    # OF  ACTIVE  MOST RECENT
                             EVENTS...

4-16Maintenance Access
Chapter 4 - Maintenance and Troubleshooting
Event Trace Buffer
The Event Trace Buffer is used to store and dump event traces (up to 30) that occur just prior
to anXTSSystem soft or hard restart. These can be reviewed by authorized personnel to aid in
system troubleshooting. The basic format for each command is shown in the following table:
DTMF Receiver Trace
The CONFIG utility allows technicians to take specific DTMF receivers in/out of service. This is
useful for troubleshooting...

Maintenance Access4-17
Chapter 4 - Maintenance and Troubleshooting
The display will show the receiver number, cabinet location, card slot location, receiver
status, and state of the receiver.
To make a receiver unavailable:
Type:drXX
(XX is the specific receiver number to make unavailable)
To make a receiver available:
Type:drXX
(XX is the specific receiver number to make available)
Monitor
The Monitor feature provides access to the installed system for diagnostic purposes. These
capabilities benefit...

4-18Maintenance Access
Chapter 4 - Maintenance and Troubleshooting
(Proper entry of the password will display themon>prompt.)
Help Menu (?)
A convenient on-screen Help Menu is provided by typing the?character, then pressing the
 key. The following commands will display:
Figure 4-5: Remote Monitor - Help Menu
Dump Memory Data
Three options allow the memory structure to bedumpedfor viewing. The three options are
entered as follows:
The data obtained from these commands is in hexadecimal format and is used...