GTE Omni Si Database Technical Practices Issue 1 Manual
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TL-130500-1001 CLASS OF SERVlCE DISPLAYS. Indicates the displayable class of service (0 through 15) and the n-displayable class of service (00-15) of the incoming call when a LOOP pushbutton is depressed to answer an incoming call from a station or Tie line. In a no-answer situation, the class of service display of the called station appears after the LOOP pushbutton is depressed. CONF (CONFERENCE). Allows addition of stations, trunks, or the attendant to the first conference circuit. LED indicates the status of either conference circuit. DEST RLS (DESTINATION RELEASE). Allows release of a called station or trunk if a dialing error is made or a busy signal is received. DISPLAY FIELD. Displays two 16-character fields (fixed right: variable left). A four-digit display of the trunk or line identity appears in the left portion of the display-characters field. When the LOOP pushbutton is depressed to answer a call from a station or a Tie line, this four-digit display gives the number of the calling station or calling trunk. The number of the called station in camp-on, busy, and no-answer situations is displayed when the LOOP pushbutton is depressed. A display of predetermined messages that appear in the fixed portion (right) of the display characters field (i.e., INFORMATION, FX, NO ANSWER, etc.). NOTE: The left 16 characters display variable data: line data, class-of-service data, etc. The right 16 characters display fixed, predetermined messages and input from the keypad. DON’T DIST (DO-NOT-DISTURB). Allows blockage of all calls to a station when requested. This pushbutton is reserved for the Hotel/Health Care feature package. ELECTRONIC RINGER VOLUME CONTROL. Is a slide bar located on the right rear of the Attendant Console and used only to increase/decrease the ringer volume. EXCL DEST (EXCLUDE DESTINATION). Allows private consultation with the called party after the call is completed. The pushbutton can also be used to control the three-way connection between the called station, the attendant, and the outside calling party. EXCL SRCE (EXCLUDE SOURCE). Allows private consultation with the calling party. This pushbutton can also be used to control the three-way connection between the called station, the attendant, and the outside calling party. FUSE HOLDER AND FUSE. Is a circuit protection device located on the left rear of the Attendant Console. S-21 48/87SVR 5210
SVR 5210-TL-130500-1001 HOLD. Used to place a call in a waiting condition (on hold) until the attendant can return to the call. INFORMATION. Indicates that a station desires assistance of the attendant and has dialed 0. The associated LOOP LED flashes at 30 IPM. Once the loop button is pressed, the LCD displays the instrument number and COS of the caller. NOTE: When the attendant recall-on-hold has timed out, the original display flashes at 60 IPM. The associated LOOP LED winks at 60 IPM. LOCAL. Indicates an incoming CO call. The associated LOOP LED flashes at 120 IPM. Once the loop button is pressed, the LCD displays the trunk type and number of the incoming call. LOOP 1 through LOOP 4 LEDs. Indicate status of the loops. MESG WTG (MESSAGE WAITING). Allows the user to cause a telephone-associated LED to flash an indication to a station that a message is waiting. This pushbutton generally is used with a feature enhancement. NITE ANSW (NIGHT ANSWER). Activates the night answer mode level (entered as a single digit on the keypad) of operation, or marks the Attendant Console as being unstaffed. The level of night answer mode is displayed on the type of call display. If the night answer pushbutton is depressed when the LED is on, the night answer mode is returned to the day mode. ON/OFF TOGGLE SWITCH. Located at the left rear and used to turn the Attendant Console on or off. When the Attendant Console does not respond properly, the power can be turned off and on again to reinitialize the attendant console. PAGE. Allows direct access to the paging system as long as the pushbutton is depressed. PAGE Q (PAGE QUEUE). Allows placement of an incoming call in a page-queue hold condition. RLS (Release) Pushbutton - This pushbutton allows the user to release from a call on an active line. The RLS LED lights steadily during a line 1 call or when the LINE 2 pushbutton is depressed. The RLS LED is extinguished when the RLS pushbutton is depressed. Em7s-21 5
--TL-130500-1001 REQUEST FOR INITIALIZATION LED. Flashes when the Attendant Console is initialized, and goes off when initilization sequence completes. ROOM BLKG (ROOM BLOCKING). Allows blockage of incoming calls to all stations and diverts these calls to 120 IPM tone. This pushbutton is reserved with the Hotel/Health Care feature package. SER CALL (SERIES CALL). Depressing this pushbutton after extending an incoming call automatically causes the trunk to recall the attendant when the station hangs up so the trunk can be extended to the next station in the series call sequence. Alternatively, the attendant can call or be called from a station (or have a station diverted to the Attendant Console due to an ACOF restriction on an accessed trunk group) and extend a trunk to the station using this pushbutton, reinitiating the automatic recall sequence to notify the attendant that the trunk is available for the next user. A lit LED indicates action confirmation. STAFFED LED. Lights only if the position is staffed. START/STOP. Activates the keypad and provides dial tone, and in the STOP mode, removes tick tone on outgoing calls. TIME OF DAY (TOD). Allows the attendant to override any variable display with the time-of-day display in hours and minutes. NOTE: See TL-130300-1001 for a description of Attendant Console operations. BLDU (Busy Lamp15.9 A BLDU can be used with the Attendant Console and Display Unit)accessed from the Attendant Console to display busy line/trunk groups. The BLDU can be located with the Attendant Console or can stand alone. See TL-I 30300-l 001 for a description of installation procedures. S-21 66187SVR 5210
TL-130500-1001LCD LINE DISPLAY FIELD LCD TRUNK GROUP DISPLAY FIELD HBLDU (STAND-ALONE) LINE GROUP HUNDREDS KEYS LEDS I7 BASE HANDSETr 1 :.: :.:.I:;:;:;: $ ::;:::::.:,:.:.::.:,:.:.j:;:;:;. . . BLDU- (MOUNTED) Figure 16.1BLDU (Stand-Alone and Mounted) 8187SVR 5210
SVR 5210TL-130500-1001 The BLDU can be operated as a stand-alone unit or can be positioned on the Attendant Console so that the BLDU display is directly above the Attendant Console display (Figure 16.1). A detailed view of the BLDU showing the LCD line and trunk group fields and the LCD line group selected display is illustrated in (Figure 16.2). This view also shows the position of the ten line group selection keys and the small rectangular red LED indicators located immediately below each key. Refer to Table 16.1 for BLDU key functions. The line and trunk group display fields use LCD elements to block out the appropriate characters. If a trunk group is restricted, an R is placed in view. Alternatively, if all trunks in a trunk group are busy, a B is visible. If one or more trunks within a trunk group are not busy (idle), the BLDU blanks the busy display for that trunk group. 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. The line group hundreds keys on the BLDU that allow the selection of 10 different hundreds groups are defined in the data base. The LED indicates which pushbutton was operated. The remote control feature allows the attendant to select any hundreds group. The line group two-digit display will show.thisselection and the active LED will be extinguished. NOTE: Activation displays of hundreds groups not programmed on one of the BLDU keys can be made only from an Attendant Console associated with the BLDU. 8l87s-21 9
TL-130500-1001BLDU16.2 The BLDU interfaces with the system via the ATT12 System(Attendant Interface) FB-17208-A card located in a PCMUS Interfaceslot. This same card supports the Attendant Console data link. l This card provides the digital data link channel connection to the system. l The data link is full-duplex, 1,200 baud, 20 ma current loop in serial form. l The BLDU can connect to one port on an ATT12 card, and an Attendant Console can connect to the other ATT12 port. Up to four BLDUs can connect in series to the same ATT12 port. NOTE: The ATT12 is described in Table 3.6. Data link cable and power cable length limitations exist that limit the distance that a BLDU can be located from the system. Refer to TL-130300-1001 for cable length specifications and a description of BLDU installation procedures. 8187SVR 5210
TL-130500-1001Data Link16.3 Once in service, any interruptions of service at the BLDU, even momentarily unplugging the data link connector, will inititate an automatic recovery process. The maintenance terminal can also control the data link. The maintenance terminal can place the data link in service or out of service. If remote applications require, the standard type of data link used is compatible with readily available equipment designed for this application. Since this type of installation depends on the particular site, the specific design is performed on a per-site basis by special engineering personnel. A BLDU only receives status data when its circuit is software selected. Switches16.4 BLDU switches include the following: o DATA-LINK, loop-around switch. The last series-connected BLDU must have its loop-around switch set to the loop position. l OFF-LINE switch. This switch takes the BLDU off-line and allows diagnostics resident in the BLDU to be executed. A modem can be used for remote operation of a BLDU. In this case, one data link channel is dedicated to the remote BLDU Assign each BLDU a separate address (1 through 4). These addresses are assigned via two manually positioned switches in the BLDU. These switches are located under the BLDU cover. They are set to 00 to assign address 1 to a BLDU, 01 for BLDU address 2, 10 for BLDU address 3, and 11 for BLDU address 4. These switch-selectable addresses correlate to software addresses used by the system CPU during BLDU input/output routines. By altering the switch address, BLDUs can be interchanged in the system. SVR 5210 $187
TL-130500-1001BLDU16.5 The BLDU is powered from either a 24-VAC transformer Powerconnected to a 115 VAC power source or from a -48 VDC power supply. See TL-130300-1001 for power connections for the BLDU. TL-130100-1001 describes the operations that can be executed from the BLDU. Initialization (I)16.6 Once the connections to the BLDU have been completed, turning the power on activates the initialization process. The BLDU indicates this condition in the line group display; when the initialization process is complete, the trunk group status display is active and the station status display is ready for service. Either local key control or remote operation from an Attendant Console is required to establish the hundreds group to be displayed. BLDU Display16.7 See Table 16.1 and Figure 16.2 for BLDU display fields and Key Funtionsand key functions. s-2228187SVR 5210