Nokia 6800 Series 用户手册
6800/7000 Series - Distribution and Routing Products Installation and Operation Manual
xxi
Contents
Overview ..................................................................................................... 1
Board Layout and Functionality ................................................................ 2
Board Layout and Functionality ................................................................ 2
User Configurable Contact Closure Alarm Indicator ........................ 6
External Alarm .................................................................................... 7
External Alarm .................................................................................... 7
Inputs ................................................................................................... 8
Output ................................................................................................. 8
Power Supply ....................................................................................... 9
Output ................................................................................................. 8
Power Supply ....................................................................................... 9
Chapter 2: DNH-6800 DigiNet Hub Module ...............11