HI, I'M PROGRAMMING WIRELESS INTO AN NEC 2000 IVS FOR THE FIRST TIME AND I CAN'T GET THE PN-SC03 CARD(THE D-CHANNEL HANDLER) TO LINK UP TO THE PN-2CSIA(THE ZT LINE CARD). THE PN-2CSIA CARD OPE LIGHT NEVER COMES ON. ANY HELP WILL BE APPRECIATED. I'VE FOLLOWED ALL THE WIRELESS PROGRAMMING INSTALLATION STEPS TO NO AVAIL.THANKS.