Eneo GXC-1720M - Manual (Page 14)

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12. SD/ SDHC CARD slot: This is used for system software updating and
archiving / accessing critical images.
13. ALARM I/O: This is a 6-PIN connector including the ALARM IN/OUT,
RS-485, DC OUTPUT and GROUND items for connecting with external
devices.
14. AUDIO OUT: Provides the camera’s audio signal to a speaker or stereo.
2. Flank Panel
1. IRIS: Auto iris connector.
This camera works with a DC drive auto iris lens. Please refer to the pin
assignment marked on the camera when connecting the auto iris lens.
2. DIP Switch:
(1) AES: Auto electric shutter.
(2) DC IRIS: Use an auto iris (DC drive)
(3) DHCP: Turn On / Turn Off to use the DHCP protocol. If the
switch points upwards, the device can obtain an IP address
from the DHCP server via the network.
(4) STATIC IP: If the switch points down, the device can’t obtain
an IP address from the DHCP server. This option is needed to
configure the network communication settings.