– 555 –CHAPTER 5 Operation Procedure for System with PIRSDTB cards.STEP 11 When the new card is PA-SDTB, also connect the MT 24 TSW cables to all the required frontconnectors.STEP 12 Turn OFF (downward) MB key on the new PA-SDTA.STEP 13 Set P-SW key - 4 (MBR) to OFF position on the PA-SDTA. When the card is provided in dualconfiguration, do this for both cards.STEP 14 Turn OFF (downward) MB key on the new PA-SDTB.• OPE lamp lights green on the card.[End]1.3.2 How to Replace Optical Fiber Cable[Start]STEP 1 Set P-SW key - 4 (MBR) to ON position on the PA-SDTA card to be replaced.When the card is provided in dual configuration, do this for both cards in the order of STBY - ACT.• ACT lamp goes OFF. (When the card is provided in dual configuration, ACT-STBY changeoverwill take place.)• When the card is provided in dual configuration: normal operation is available including new callorigination using other card.• When the card is provided in single configuration: active calls will be maintained, new call origi-nation is not available. Note that when having connection link, it will be left connected.STEP 2 Turn ON (upward) MB key on the PA-SDTA card.When the card is provided in dual configuration, do this for both cards in the order of STBY - ACT.• OPE lamp changes color to red.• Active calls will be placed in no-tone-state (single configuration only).• When having connection link, it will be dropped in a few seconds (single configuration only).STEP 3 Remove the optical fiber cable from the PA-SDTA card.STEP 4 Connect the new optical fiber cable.STEP 5 Turn OFF (downward) MB key on the PA-SDTA card.STEP 6 Set P-SW key - 4 (MBR) to OFF position.• OPE lamp lights green on the card.[End]
