HIKVISION DS7208HVI-ST/SE 제품/유지보수 매뉴얼 - 페이지 12
{카테고리_이름} HIKVISION DS7208HVI-ST/SE에 대한 제품/유지보수 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. HIKVISION DS7208HVI-ST/SE 20 페이지.
BD9329 (U2)
SATA
power
interface
5.6.
RS485
Module
RS485 main control chip: SP491EEN, PIN 9, 10 were TX +,TX-,the
difference voltage close to 5 V
TVS: B03NC (BA5/6/7/8), HK-4 (D2/3/4/5) protect the sending end (TX +,
TX-R +, R-)
Thermistors (JK250) : JK250 (RPT1/2/3/4) protect the sending end (TX +,
TX-R +, R-)
RS485 module part:
HK-4(D2/3/4/5)
SATA interface
B03NC (BA5/6/7/8)
JK250 ( RPT1/2/3/4)
SP491EEN