视频8路输出板,(占1个插槽)
Video 8 lines output board,(occupies 1 slots)
视频16路输入板(用于最多16路视频输出,占2个插槽)
video 16 lines input board(most used in 16 lines audio output,occupies 2 slots)
音频16路输入板,(用于最多24路音频输出, 占2个插槽)
Audio 16 lines input board(most used in 24 lines audio output,occupies 2 slots)
音频16路输入板,(用于最多32路音频输出, 占2个插槽)
Audio 16 lines input board(most used in 32 lines audio output,occupies 2 slots)
音频8路输出板,( 占1个插槽)
audio 8 lines output board,(occupies 1 slots)
32路报警输入板,(占1个插槽)
32 lines alarming input board(occupies 1 slot)
64路报警输入板,(占1个插槽)
64 lines alarming input board(occupies 1 slot)
扩展接口输入板(占2个插槽)
The expansion connection ports input board (occupies 2 slots)
扩展接口输出板(占2个插槽)
The expansion connection ports output board (occupies 2 slots)