Interface Description/ 接口说明
Reset Button and SD Card Slot/Reset 键和 SD 卡槽
NO.
序号
Item
名称
Description
说明
1
PoE/LAN
Network interface. This interface supports PoE.
网络接口，该接口支持PoE供电。
2
POWER
Power input interface; 12 V DC (±25%).
电源输入接口。支持DC12V (±25%)电源输入。
3
RS485+/
RS485-
RS485 interface. This interface provides a transparent data channel for half-duplex
transmission between the camera and the connected device.
RS485接口。通过该接口，摄像机可以以半双工的方式通过透明通道与连接的设备互相传递数据。
4
ALARM_OUT A pair of ALARM_OUT and ALARM_REF forms a single alarm out.
告警输出接口。ALARM OUT和ALARM REF组成一组告警输出。
ALARM_REF
ALARM_IN
Alarm input interface. There may be multiple alarm input interfaces. For a given number of
interfaces, n, they are numbered (for example: ALARM_IN0, ALARM_IN1, …, ALARM_INn). Each
one connects to the GND connection to form a single alarm input.
告警输入接口。存在多个告警输入线，则采用ALARM_INn表示，n为数字，每条告警线与GND组成一
组告警输入。
ALARM_GND Alarm input ground interface.
告警输入接地接口。
5
AUDIO_IN/
AUDIO_OUT/
AUDIO_GND
Audio input/output interface and audio ground interface.
AUDIO IN/AUDIO OUT为音频输入/输出接口。AUDIO GND为音频接地接口。
Required Tools/ 准备安装工具
1
2
3
NOTE/ 说明
The color identifier of the
alarm cable is subject to the
actual pigtail label.
告警线缆颜色标识以实际的尾线
标签为准。
2
NOTE/ 说明
Use the Phillips screwdriver to
remove the camera bottom cover.
Then, you can see the Reset button,
SD card slot and system running
status indicator.
使用十字螺丝刀将摄像机底盖卸下，即
可看到重置键、SD 卡槽和系统运行指示
灯。
Video surveillance tester
视频监控测试仪
Hammer drill (for pendant- or
wall-mounted installation)
冲击钻（吊顶和墙壁安装时使用）
PVC insulation tape
绝缘胶带
Hammer (for pendant- or wall-
mounted installation)
羊角锤（吊顶和墙壁安装时使用）
RJ-45 connector crimping tool
水晶头压线钳
Phillips screwdrivers (1# and 2#)
十字螺丝刀（1#和2#）
Diagonal cutting pliers
斜口钳
Measuring tape
钢卷尺
Cable stripper
剥线钳
Waterproof tape
防水胶带
Utility knife
裁纸刀
Wrench
扳手
Wiring terminals
接线端子
Cable ties
扎线带
NO.
序号
Description
说明
1
Reset button
重置键
Reset button. To restart the device, hold down the reset button (less than 3s). To restore the device to
factory settings, hold down the reset button for at least 5s while the device is running.
重置按钮。运行时按住RESET键短于3秒重启设备;运行时按住RESET键不短于5秒后恢复出厂配置。
2
SD card slot
SD卡卡槽
SD card slot. The SD card slot supports only class 10 or higher Micro SD cards. To replace a
Micro SD card, the device must be powered off. Otherwise, system exception may occur. When
a Micro SD card is used for the first time, log in to the web client of the device and format the
Micro SD card. For details, see the Configuration Guide.
SD卡卡槽，支持Micro SD卡（Class 10及以上）。请在设备断电的情况下插拔SD卡，否则可能会造成
系统异常。首次使用时，请登录设备Web客户端，格式化SD卡，操作方法请参见《配置指南》。
Exercise caution when restoring the camera to factory settings. After the camera is restored to
factory settings, user account and some other configuration data may be lost.
恢复出厂配置后将会导致用户的账号信息以及部分配置信息丢失，请慎重操作。
CAUTION/ 注意
1
2
3
4
5
2
1
The appearance varies
with the camera. Here,
C2141-I is used as an
example.
不同摄像机的外观略有不同，
我们以 C2141-I 为例进行介
绍。
