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Pelco Manual C690M-E (11/04) 11
8 Alarm inputs
These two (DX2008) or four (DX2016) 8-pin inputs can be configured to be N.O. (normally
open), N.C. (normally closed), or supervised. They are configured via a DIP switch
mounted next to the connectors. Refer to the
Connecting Alarms
section for more informa-
tion.
9 DIP switches
The first two switches (counting from the left) on this four-position DIP switch determine
alarm mode (supervised/unsupervised or normally open/normally closed). Refer to the
Connecting Alarms
section for more information.
Switch 3 determines NTSC or PAL operation, as follows:
• If switch 3 is up, then the unit operates as NTSC.
• If switch 3 is down, then the unit operates as PAL.
The last switch is not used.
It does not matter whether the switches are set before or after power-up. The DVR factory
default is NTSC, unsupervised, and normally open.
10 Relays
The two relay connectors on the rear panel let you remotely control devices such as
gates. The pins are defined as follows:
Left pin = N.O. (normally open)
Middle pin = Common
Right pin = N.C. (normally closed)
11 Data interface ports
Data ports 1 and 2 let you connect to ATMs or POS devices while data ports 3 and 4 let
you connect to POS devices and the DX2000DH Data Hub. The hub lets you connect
additional ATM or POS devices. Refer to the
Connecting POS Terminals and ATMs
section.
12 Reset Buttons
There are two very small buttons on the rear panel near the bottom of the DVR. The right
button (facing the back of the DVR) resets the DVR to factory defaults. The left button
resets the DVR to the initial IP address and passwords. Refer to the
Reset to Defaults
section for more information.