GTE Omni Scbs Installation And Maintenance Manual
Have a look at the manual GTE Omni Scbs Installation And Maintenance Manual online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 3 GTE manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.
System-Wi (Continue PROCEDURE FOR DETERMINATION OF CAUSE (FLOWCHART 1) IS LAMP LIT? NO COMMERICAL AC POWER r- TURN POWER SWITCH OFF AND ON AGAIN. IS LAMP LIT? VERIFY SYSTEM OPERATION TURN POWER OFF- REMOVE POWER CABLE AT POWER SUPPLY REPLACE AND TURN POWER ON AGAIN. IS LAMP LIT? NO REPLACE POWER CABLE INSTALL NEW POWER SUPPLY AND VERIFY SYSTEM OPERATION 1 YES 3.48
PROCEDURE FOR DETERMINATION OF CAUSE (FLOWCHART 2) TURN POWER OFF. REMOVE ALL CARDS FROM FLOWCHART 1. (INCLUDING RGEN) FROM ) BACKPLANE CONNECTORS. RECONNECT POWER CABLE AND TURN POWER ON. IS LAMP LIT? NO TURN POWER OFF. ) REPLACE POWER CABLE AND TURN POWER ON. A CARD HAS A FAlliT- REINSERT CARDS ONE AT A TIME TO IDENTIFY DEFECTIVE CARD(S). IS LAMP LIT? TURN POWER OFF. REINSERT ALL CARDS. REPLACE ANY DEFECTIVE CARDS. VERIFY TURN POWER ON. SYSTEM OPERATION. VERIFY SYSTEM OPERATION. RESTORE ODDB THROUGH LOADING OR PROGRAMMING. NOTE: TURN POWER OFF WHEN REINSERTING CPM, SWC, MEM, AND RGEN CARDS. UNSEATING CPM OR MEM CARDS DELETES ODDB.
;.’ .--__ ‘I System-Wide Problems (Continued) GTE afi!mw SBCS PROCEDURE FOR DETERMINATION OF CAUSE (FLOWCHART 3) REPLACE CPM, MEM, AND SWC CARDS ONE BY ONE. IF RUN LAMP ON CPM CARD IS LIT. SWC SHOULD BE REPLACED. IF NOT LIT, CPM SHOULD BE REPLACED. I YES OPERATION. . RESTORE ODDB THROUGH LOADING OR PROGRAMMING.
Multiple Card/Interface Sismal Proble U . ASSOCIATED WITH MORE THAN ONE DEFECTIVE STATION OR TRUNK BEING SERVED BY MULTIPLE CARDS. . PROBLEMS MAY RESULT FROM: - INTERFACE SIGNAL ASSOCIATED WITH A GROUP OF CARDS BEING SHORTED BY A DEFECTIVE CARD OR OPENED BY A DEFECTIVE BACKPLANE. - DEFECTIVE SWC CARD WHICH IS CONTROLLING THE GROUP. . THREE TYPES OF INTERFACE SIGNAL PROBLEMS MAY OCCUR: 1. SIGNALS ASSOCIATED WITH EACH OF THE SIX INTERFACE CARD GROUPS (WHERE EACH ICG HAS ONE INBOUND AND ONE OUTBOUND BUS TO/FROM THE SWC). 2. SIGNALS ASSOCIATED WITH ICG 0 THROUGH 2 AND ICG 3 THROUGH 5 (WHERE LOAD SHARING ALLOWS SEVERAL CLOCK AND TIMING SIGNALS FOR ALL LINE/TRUNK CARDS TO BE DRIVEN FROM THE SWC BY TWO SEPARATE GATES). 3. SIGNALS USED TO DISTRIBUTE TIME SLOTS AMONG THE CARD SLOTS IN EACH ICG (WHERE EACH ICG HAS ITS OWN BUS AND THREE CARD SLOTS, EXCEPT ICG 5 WHICH HAS A FOURTH CARD SLOT). @ REFER TO FOLLOWING FLOWCHART FOR TROUBLE SHOOTING PROCEDURE FOR MULTIPLE CARD PROBLEMS. 3.51
. .._ d/Interface Signal Problems PROCEDURE FOR DETERiVlINATION OF CAUSE TRUNK FAILURE). REMOVE ONE OF AFFECTED LINE/TRUNK CARDS. VERIFY OPERATION OF OTHERS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ; NOTE: COLD RESTART DELETES ODDS. ; TURN POWER ON INITIALIZE HOT RESTART RESTART ODDS THROUGH LOADING OR PROGRAMMING (IF COLD START HAS PERFORMED). I 3.52
l ASSOCIATED WITH MORE THAN ONE DEFECTIVE STATION OR TRUNK BEING SERVED BY THE SAME LlNE OR TRUNK CARD. . PRESCRIPTIVE ACTION MAY INCLUDE: - REPLACING THE DEFECTIVE LINE OR TRUNK CARD. - CHECKING FOR A LOOSE CONNECTION BETWEEN ICG CONNECTORS AND PINS AT THE CABINET. 3.53
Single Station or Tr n&g Problems : . ASSOCIATED WITH A SINGLE STATION OR TRUNK. . PROBLEMS MAY RESULT FROM: - DEFECTIVE LINE/TRUNK CIRCUIT. - FAULTY WIRING BETWEEN LINE CIRCUIT AND STATION, OR BETWEEN TRUNK CIRCUIT AND EXCHANGE (CO OR HOST PABX). - DEFECTIVE STATION INSTRUMENT OR CONNECTING CO/PABX. - STATION/TRUNK WAS NOT INSTALLED IN DATA BASE. - TRUNK CIRCUIT WAS PROGRAMMED FOR A DIFFERENT SIGNALING MODE (GROUND OR LOOP START) THAN THE CENTRAL OFFICE. . REFER TO FOLLOWING FLOW CHART FOR TROUBLESHOOTING PROCEDURE FOR SINGLE STATION OR TRUNK PROBLEMS. 3.55
Single Station or Trunk !§ tinue PROCEDURE FOR DETERMINATION OF CAUSE TRUNK INSTALLED NO IN DATA BASE l INSTALL STATION/ TRUNK IN DATA BASE WITH CMC COMMAND. VERIFY STATION/ TRUNK OPERATION. f PLACE STATION/ YES TRUNK IN SERVICE h WITH CMC-701. VERIFY STATION TRUNK OPERATION. REPLACE LINE/TRUNK CARD SERVING DEFECTIVE NO (CONSULT WITH (CAUSE: FAULTY INSTRUMENT OR LOOSE 3.56
. RINGING PROBLEMS MAY RESULT FROM: - DEFECTIVE RGEN CARD (LIKELY CAUSE IF ALARM LAMP ON CPM CARD IS LIT). - OUTPUT FROM RGEN CARD BEING SHORTED BY A LINE OR TRUNKI CARD. - RGEN CARD SET TO PROVIDE SYSTEM WITH DC VOLTAGE FOR MESSAGE WAITING SERVICE, BUT MESSAGE WAITING WAS NOT SPECIFIED IN THE DATA BASE. . REFER TO FOLLOWING FLOWCHART FOR TROUBLESHOOTING PROCEDURES FOR RINGING PROBLEMS. 3.57