Microseven
®
MSHDVS4CHD 4CH Network Digital Video Server
© 2002-2008 Microseven Systems, Inc. All Rights Reserved.
-
9
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①
Alarm input 1
②
Alarm input 2
③
Alarm input 3
④
Alarm input 4
⑤
Alarm input public terminal
⑥
RS485 sending
（
Tx
＋）
⑦
RS485 sending
（
Tx
－）
⑧
RS485 receiving
（
Rx
＋）
⑨
RS485 receiving
（
Rx
－
⑩
Alarm output public terminal
⑪
Alarm output 1
⑫
Alarm output2 public terminal
⑬
Alarm output 2
⑭
Alarm output3 public terminal
⑮
Alarm output 3
⑯
Alarm output4 public-end
⑰
Alarm output 4
⑱
Reserve
B. Sketch Map for Alarm input/output and RS-485 Port
Note: Both the alarm input and output are I/O, A and B are the 2 ends of the I/O.
Input A
Input B
Output A
Output B
