GTE Omni Si Database Technical Practices Issue 1 Manual

							5210a/a7TL-130100-1001
5.0BUSY LAMP DISPLAY UNIT
5.1General
The Busy Lamp Display Unit (BLDU) is an optional unit that can be operated
as a stand-alone unit or can be positioned on the Attendant Console so thatthe BLDU display is directly above the Attendant Console display. Both
configurations are shown in Figure 5.1. A detailed view of the BLDU showing
the LCD line and trunk group fields and the LCD line group selected display isillustrated in Figure 5.2. This view also shows the position of the ten line
group selection keys and the small rectangular red LED indicators located
immediately 
belay each key. Refer to Table 5.1 for BLDU key functions.
The line and trunk group display fields use LCD elements to block out the
appropriate characters. Therefore, if a trunk group is not restricted, the 
“R” is
blocked from view. Alternatively, if all trunks in a trunk group are busy, the
“B” is visible. All trunk groups may be presented in the trunk group display
field.The line field display shows the status of a group of 100 lines. Only the last
two digits of the station numbers are shown so that any Hundreds Group can
be displayed. The seven-segment line group display window shows which
Hundreds Group is being displayed in the line field.
Operation of the BLDU is limited to the selection of the line Hundreds Group tobe displayed. This is accomplished either by local control at the BLDU or via
remote control from the Attendant Console. The line group hundreds keys on
the BLDU allow the selection of ten different Hundreds Groups as defined in
the data base, and the LED indicates which pushbutton has been operated.The remote control feature allows the attendant to select any Hundreds
Group. The line group two-digit display will’show this selection and active
LED will be extinguished. Additionally, a power ON/OFF switch is located on
the rear of the BLDU.NOTE:
Activation of displays of Hundreds Groups not programmed onone of the BLDU keys can be made only from an Attendant
Console associated with the BLDU.O-227 
						

							TL-130100-1001Figure 5.1 Busy Lamp Display Unit (BLDU)
O-228
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54596469747984899499Busy Lamp Display Unit 
(BLDU) Display
1. Line Display Field.
2. Trunk Group Display Field (continuousdisplay)
3. Line Group Hundreds Keys.
4. 7-Segment Display Window.
Figure 5.2 Busy Lamp Display
Table 5.1 BLDU Display and Key Function
KEY OR DISPLAY
TYPEDESCRIPTIONTop-left Field
LCD
Top-right Field
LCD
Line Group (seven-segmentLCD
display)
Line Group Selection
Key 
& LED
Keys/Indicators
ON/OFF (located on left rear)
Toggle Switch
Fuse Holder and Fuse (located
W/3AG, 1.5A Fuse
on left rear)
Data Link Connections (2)
Ports
(located on rear)
52108037Indicates individual station activity.
Indicates trunk activity (B = Busy, R =
Restricted).
Indicates selected 100s group, test status.
Selects 100s groups. Indicates 100
group selected by a key.
Controls power supplied to the BLDU.
Provides circuit protection.
Primary data link port in and port out to
provide series circuit for additional units
up to a total of four. 
						

							TL-130100-10015.2BLDU Operating Procedures
52.1BLDU Initialization
STEPOPERATIONRESULT
1Turn power ON.(a) Double dash should be visible on
7-segment display when initialization is
occurring.
(b) Double dash will be removed and
7-segment display will be blank when
initialization complete.
(c) Busy or restricted trunk groups will
appear in the trunk area of the display.
NOTES:
1.When the BLDU is powered ON, a request for initialization is automatically generated
and sequentially completed by the system if normal operating conditions exist. This
includes internal operational data plus the status of lines and trunk groups.
2.If the system is idle, the BLDU should complete initialization in approximately 30
seconds. A busy (heavy traffic) system will take longer, but less than 5 minutes.
5.2.2BLDU Line and Trunk Group Display, Attendant Console
Assignment of Hundreds GroupsThe trunk group busy display is continuous and cannot be accessed by
Attendant Console.
Assignment and change of BLDU 
ATB/ACOF trunk status and Hundreds
Group numbers (other than through the Attendant Console) are accomplished
during loading of the data base or through the recent change operation via the
TTY or Test Set equipment interface.
(a)From the BLDU
STEPOPERATIONRESULT
1Depress line group hundreds key
(Kl-KlO).(a) Selected line Hundreds Group number
appears in 7-segment display window.
(b) Active line numbers in selected
Hundreds Group light across line display
field.
O-230
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							TL-130100-1001(b)From the Attendant Console
STEPOPERATIONRESULT
1Depress BLDU pushbutton on
Attendant Console.ENTER “HUNDREDS GROUP NUMBER”
is displayed in fixed display field of
Attendant Console.
2Enter a two-digit Hundreds Group
number (00-99).(a) Number entered is displayed in fixed
display field of Attendant Console.
(b) If BLDU is attached, status of the
Hundreds Group entered will be
displayed on the BLDU.
(c) Fixed display cleared.
NOTES:
1.If any pushbutton on the Attendant Console, excluding the BLDU pushbutton, and the
keypad is depressed after Step 
1,“DIGIT ENTRY ONLY” is displayed in the
Attendant Console fixed display field. When this occurs, enter a 2-digit Hundreds
Group number and Step 2 results are completed.
2.If the BLDU pushbutton is depressed again after Step 1, the time of day (TOD) is
displayed on the Attendant Console and the BLDU function is canceled.
5.2.3
(a)Optional BLDU Controls and Indicators Procedures
BLDU Hundreds Group Key Test
STEPOPERATIONRESULT
1Depress Hundreds Group keys
(Kl -KlO) across front of BLDU.Hundreds Group digits will appear in
2-digit, 7-segment display for each
programmed group.
03BLDU LCDs and LEDs Test
STEPOPERATIONRESULT
1Depress last two keys on right ofAll LCDs are lit (no numbers visible in line
BLDU simultaneously (keys 9 and 10).display field, no Bs or Rs visible in trunk
group field, 
“88” displayed in
7-segment display) and all 
LEDs are on.
52108187O-231 
						

							TL-130100-1001
STEP
OPERATION
RESULT2Release keys 9 and 10.All LCDs and LEDs will be extinguished.
(aBLDU Power-Cycle Operation
STEPOPERATION
RESULT
1Turn power ON to OFF, then to ON.
BLDU’s automatic initialization(a) BLDU clears.
sequence is engaged.(b) BLDU operates normally.(c) If BLDU fails to operate, call
maintenance personnel.O-232
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							TL-130100-10016.0MESSAGE DETAIL RECORDING (MDR)
6.1GeneralThe MDR feature provides a means to record system call information for
outgoing CO, DOD, WATS, Foreign Exchange (FX), and tie lines. MDR will
also record call information for incoming CO, DID, WATS, FX, and tie lines.
Therefore, MDR may be used as an aid in determining the most efficient and
economical use of the system.
For a more detailed description of the MDR function, refer to Sections
TL-130000-1001 and TL-130500-1001.
6.2
MDR Output OptionsThe NSDC Card (FB-20992) can support two independent 
I/O functions.
When MDR is equipped in data base, one port will be dedicated to MDR
OUTPUT only. The MDR port will be the port which is not marked as
maintenance in data base. (Port 0 is marked maintenance by default so the
MDR port will default to port 1.) All system maintenance commands will take
place on the maintenance port. The two MDR commands (SET MDR options;
DUMP MDR options) will be accessed via the maintenance port only.
Transmission data for both ports is set up in Record Code TT. One of two
types of MDR OUTPUT can be selected via data base: (1) MDR Call Records
can be output in real-time by equipping MDR Port 0 in Data Base, and (2)
MDR Call Record Blocks can be output by equipping MDR Port 1 in Data
Base.
If MDR Port 0 is implemented in data base, output is provided independently
of the condition of the receiving TTY. Header data is output whenever a
system start occurs, a change in date or time occurs, or after every 32
double-line call records or 64 single-line call records.
If MDR Port 1 is implemented in data base, then Call Record Blocks will be
output to the customer-provided minicomputer or other Remote Polling
Devices. Output is in FGBS-modified EBCDIC, which is not suitable for a
TTY. Refer to Table 6.1 for a listing of FGBS-modified EBCDIC.
Figure 6.1 and Figure 6.2 illustrate the possible combinations of output from
the Narrow Serial Device Controller Card (NSDC). Note that both
maintenance and MDR functions are supported in these illustrations.
6.3Operation
6.3.1Security LockTo make changes in the type of MDR output, the user must access a Security
Lock. The 
SI security locks for MDR are the same as those for Recent
Change. Refer to Section TL-130200-1001 for a detailed description of
these security locks.
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							TC-130100-1001
Table 6.1 FGBS-Modified EBCDICHEX-DECIMAL
ADECIMALBINARY
CHARACTER EQUIVALENTEQUIVALENTMDR USE
000000
110001
22
0010
3
30011
440100
5
50101
6
6
0110
770111
8
8
1000
9
91001
10A
1010
ALPHY (cl),, 2BETA 
(0 )/13DliO1
15, BL-!:l’JK (b)
E
F
1011
1100
1110
1111The number zero (note 1)
The number one
The number two
The number three
The number four
The number five
The number six
The number seven
The number eight
The number nine
The number 10 (DIALED DIGIT ZERO)
(note 1)
The number 11 (note 2)Identifying character/the number 12
(note 2)Identifying character/the number 13
(note 2)
The number 14 (note 2)The number 15, a blank space/
identifying character (note 2)NOTES:
1.The hexadecimal zero is always used for the decimal zero. Hexadecimal A is used
as zero in calling and called numbers.
2.Hexadecimals A, B, and E are always used for the decimals 10, 11 and 14,
respectively.
Hexadecimals C, D, and F may have two different uses; however, their meaning isfully defined by the position in the record that they occupy.
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							5210
FB-20992 NSDCPORT 0: SYSTEM MAINTENANCE TTY
TO REMOTE TTY
CONTROLLER
PORT 1: MDR CALL RECORDS(MDR SOFTWARE PORT 0)-B-20992 NSDCPORT 0: MDR CALL 
RECORDS(MDR SOFTWARE PORT 0)
NARROW
SERIAL
DEVICE
CONTROLLERPORT 0
PORT 
120 MA LOOP
TERMINAL
DEVICE
TO REMOTE 
TTYPORT 1: SYSTEM MAINTENANCE TTY
:igure 6.1 Possible NSDC Port Assignments with MDR
Port 0 (Call Records) Equipped in Data BaseTL-130100-1001 
’
8187TO REMOTE TTYO-235 
						

							TL-130100-1001O-236
B-20992 NSDC
NARROW
SERIAL
DEVICE
CONTROLLER
:EI-20992 NSDC
NARROW
SERIAL
DEVICE
CONTROLLERPORT 0
PORT 1
PORT 0: SYSTEM MAINTENANCE TTY
TO REMOTE TTY
I--UNIT
COMPUTER
PORT 1: MDR CALL RECORDS(MDR SOFTWARE PORT 1)
PORTO: MDR CALL 
RECORDS(MDR SOFTWARE PORT 1)
PORT 0
PORT 1
I-L----lUNIT
COMPUTER20 MA LOOP
- TERMINAL
&+=kTOE
PORT 1: SYSTEM MAINTENANCE TTY
:igure 6.2 Possible NSDC Port Assignments with MDR Por
1 (Call Records) Equipped in Data Base
6.3.2
Time/Date ChangeMDR will report the time and date of a call when outputting the call
information. The time and date reported are taken from the system Time of
Day (TOD) software clock. Refer to Section TL-130200-1001 for
instructions to set the TOD.
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