Audio Inputs And Output; Alarm Inputs; Usb Connectors - GE Security SymDec 16 plus 4 User Manual

Time base correction is performed during digital capture. As a result, cameras do not require synchronization.
Cable
Connectors
Auto terminating
Passive looping

Audio Inputs and Output

The unit is equipped with 4 audio inputs and 1 audio output. Both the audio output and the audio inputs are
line-level.The 4 audio inputs are associated with the first 4 cameras.
Audio input
Audio out
Note: Line-level audio requires amplification.

Alarm Inputs

Four 8-pin connectors on the back panel provide the connections for the alarm inputs. Connect the wires to the
4 terminating connectors provided with the SymDec 16 plus 4. See the table below for a description of the
pinouts.
Table 5.
Pin Signal
1 Alarm Input 1 N/Open
C Alarm Input 1 Common
2 Alarm Input 2 N/Open
C Alarm Input 2 Common
3 Alarm Input 3 N/Open
C Alarm Input 3 Common
4 Alarm Input 4 N/Open
C Alarm Input 4 Common
Note: Do not attempt to wire any accessories directly to the I/O connector on the back panel. These connections require dry
contact (voltage free) closure to activate.

USB connectors

Industry compatible USB connectors for use with flashdrives for updating the SymDec 16 plus 4.
75-Ohm coaxial
BNC
Yes
Yes
RCA jack, 315 mV, 40k Ohms. Unbalanced
RCA jack, 315mV, 600 Ohms. Unbalanced
Alarm IN connector
Pin Signal
5 Alarm Input 5 N/Open
C Alarm Input 5 Common
6 Alarm Input 6 N/Open
C Alarm Input 6 Common
7 Alarm Input 7 N/Open
C Alarm Input 7 Common
8 Alarm Input 8 N/Open
C Alarm Input 8 Common
Pin Signal
9 Alarm Input 9 N/Open
C Alarm Input 9 Common
10 Alarm Input 10 N/Open
C Alarm Input 10 Common
11 Alarm Input 11 N/Open
C Alarm Input 11 Common
12 Alarm Input 12 N/Open
C Alarm Input 12 Common
Chapter 2
Connections and Controls
Pin Signal
13 Alarm Input 13 N/Open
C Alarm Input 13Common
14 Alarm Input 14 N/Open
C Alarm Input 14 Common
15 Alarm Input 15 N/Open
C Alarm Input 15 Common
16 Alarm Input 16 N/Open
C Alarm Input 16 Common
13