4-1 (E)
SNC-WR632C/WR602C
Section 4
Circuit Description
4-1. Board
Functions
4-1-1. SY-416 Board
The SY-416 board is a main board of this unit that executes the intelligent function such as video and
audio compression, transition to Ethernet, moving body detection, and non-moving body detection.
4-1-2. PS-858 Board
The PS-858 board is a power board that generates 24 VDC and 5 VDC from 24 VAC or an HPoE supply
voltage.
t
HPoE indicates the IEE802.3at standard.
4-1-3. MD-151 Board
The MD-151 board mounts a motor control circuit for controlling pan and tilt operations and a microcon-
troller (hereinafter referred to as a micon) for motor control.
The MD-151 board also mounts the local power for a control circuit and the local power for supplying
power for an FCB camera block.
4-1-4. IF-1232 Board
The IF-1232 board relays SY-416 and TM-61 boards.
The IF-1232 board mounts a one-touch installation connector.
4-1-5. TM-61 Board
The TM-61 board is a terminal board that mounts an audio block, sensor-related block, serial communica-
tion block, video output block, power connector, and LAN connector.
4-1-6. CN-3521 Board
The CN-3521 board relays an FCB camera block and MD-151 board.
The CN-3521 board also mounts a temperature sensor.
4-1-7. HC-51 Board
The HC-51 board controls an internal temperature by driving of a heater and generates the driving voltage
of an internal fan.
