NEC NEAX2400 system manual SDT Card LoopbackTest

POST INSTALLATION TEST

SDT Card LoopbackTest

STEP 2: Make sure that the “LPB” lamp on the PA-SDTA card, or the “SYCxx” lamp on the PA-SDTB card lights steady-green.

STEP 2.5: When the loopback pattern is “local loopback,” confirm that the “OPT” and “SYNC” lamps are both OFF on the PA-SDTA card.

(“OPT” and “SYNC” lamps are OFF = Result of loopback test is fine)

STEP 3: Return the key settings of the P-SW key (on PA-SDTA card: see Figure 6-15) to the original position.

CHAPTER 6 ND-70185 (E)

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Revision 3.0