HBZMXSIB/10/16SD-PR-1
Page 16
2.5 Connections
The following instructions relate to the multiplexer only. Refer to the relevant
instructions for the associated equipment.
All the connectors are on the back-panel of your multiplexer as shown in Figure 2.
Your multiplexer has:
10 or 16 loop-through camera inputs (depending on the model) with automatic
termination
twin monitor outputs, Monitor-A and Monitor-B
VCR input and output via BNC or S-VHS connectors
10 or 16 alarm-inputs (on a 25-way D-type connector) each of which can be
normally-open (N/O) or normally-closed (N/C).
RS-232 and RS-485 connectors (Rugby clock connection).
The 25-way D-type connector also has the contacts for the two alarm-output relays
and a Vext input. The Vext input accepts a synchronising pulse-train from your VCR
(see your VCR’s instructions). This allows the multiplexer to follow automatically the
time-lapse speeds of the VCR.
Figure 2 Multiplexer Back-Panel Connections
Camera Inputs
4
3
2
1
Use 75 ohm BNC connectors and video coaxial cable to connect to the camera input
BNC sockets on the back of your multiplexer.
For each camera input there are a pair of BNC sockets, one for the camera input, the
other for a looped through output. If you connect to both BNC sockets your
multiplexer automatically removes the 75 ohm termination. If you use the loop
through facility make sure that your application (e.g. a monitor or VCR) provides 75
ohm termination at the end of the line.
Connect up to your 10 or 16 camera inputs. You can use either the upper or the
lower sockets.
Connect your loop through outputs to the through BNC socket in each pair.
If you have less than 10 or 16 cameras, you can disable individual camera inputs in
the menu system, see page 27.
Summary of Contents for ZMX/BD/10
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