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A 1 B C NX-300 D E F G H I J K L M N O P PC BOARD Q R NX-300 PC BOARD TX-RX UNIT (X57-7370-10) (A/2) Foil side view (J79-0128-19 A/2) S TX-RX UNIT (X57-7370-10) (A/2) Foil side view (J79-0128-19 A/2) 2 2 C650 R543 C546 L517 L515 R576 D516 D511 D C570 R599 L520 D519 C574 G R563 C584 C585 R564 Q510 R568 7 R562 C582 R558 C588 C586 C603 C578 L523 C706 9 L701 Q700 R702 R571 R733 C701 R701 Q701 C734 CF700 10 R710 C718 R730 C721 R737 C707 L703 C700 C719 C708 C704 C790 R728 L704 L707 L780 C712 L705 C725 C738 XF700 C715 C732 C733 C739 R740 C745 Q512 L528 R565 R607 R605 S D G G D S 6 C580 8 C730 C743 R743 C746 D507 R608 C604 Q600 C740 L708 Q509 S R560 C577 S R612 R606 C576 L527 Q511 G D S D601 R739 L526 C571 D Q508 G R616 CN702 BPF R745 G S Q703 G D R561 D514 L525 C689 R604 R609 C756 C748 L516 D510 R559 C587 C607 C610 L524 C583 C605 C565 5 C581 L600 Q601 C690 L514 R575 D506 R624 C744 L522 R628 R623 C614 C613 R742 R610 L709 C749 C755 D702 R757 C765 C670 S G Q602 D S C671 C737 D703 C771 R759 C623 R620 L603 R626 R618 C567 L521 L711 R747 R749 L605 R631 R630 C625 R632 R627 R634 C619 C747 C754 R752 R750 C764 L713 C767 C770 C772 C775 C758 R748 R753 D704 R746 L714 C776 R760 C627 R650 CN902 C768 C773 R622 L615 L602 L519 C579 C611 R744 C752 C575 4 D517 C573 C615 R617 C557 C566 C568 C617 D600 C750 C774 L715 L717 C778 R765 C786 R770 L710 R761 C742 C782 C753 R769 R771 C629 R636 L606 C634 R644 C639 C621 L509 R639 L609 C652 R762 C769 4 C741 C785 G S Q705 G D C784 70 C777 R778 C751 S L706 C789 13 R783 C791 11 J79-0128-19 A/2 Foil side 12 G D S R780 Layer 1 Layer 2 Layer 3 Layer 4 Layer 5 Layer 6 11 R781 Component side C780 C788 R799 Q706 C779 R775 L720 C795 C901 R784 3 C783 R772 C796 5 R768 L721 D705 10 1 IC703 R779 C944 R773 C800 C798 R919 9 R777 R786 L716 D706 C794 R785 S D G G D S R917 C807 C802 L604 C612 R774 R912 Q903 RXD1 C691 R791 L722 8 TXD1 C647 L723 26P_RD OPT1 1 C804 D708 R788 C801 2 OPT3 C968 NC C965 OPT10 D709 C803 C799 DGND OPT4 D606 D607 NC OPT5 26P_TD D710 C970 AGND + C809 7 C811 NC AGND C850 L726 5V R790 L518 3 C548 D515 G CN600 R542 C556 S C618 C810 OPT9 C849 OPT8 DTI 5 OPT11 R544 L508 D Q603 C662 D711 1 OPT7 IC903 OPT2 G Q606 L725 4 TXO R915 3 RXEO CN737 RXEI C954 OPT6 25 TXI C952 6 R929 26 POW D C663 C664 C632 C635 C660 L612 C666 5 R646 L611 C665 J79-0128-19 B/2 C547 R545 C642 R666 R665 C668 C643 C648 C654 R663 C975 C661 L613 C669 R667 TX-RX UNIT (X57-7370-10) (B/2) 4 C667 L614 C645 L610 L607 3 14 1 Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address IC703 8H Q600 7P Q703 9K D511 4R D601 8O D706 8E IC903 7D Q601 7N Q705 10F D514 4Q D606 5H D708 8E Q508 5P Q602 6N Q706 10E D515 4P D607 5G D709 6G Q509 6Q Q603 4N Q903 8D D516 4R D702 10I D710 7E Q510 7R Q606 4L D506 4P D517 4R D703 10I D711 6F Q511 6R Q700 9R D507 4Q D519 5R D704 10H Q512 7Q Q701 10O D510 4Q D600 7M D705 10E 12 13 71 14
