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Indicators and Controls
1
The VIM‐1808 and VIM‐0808 are identical with 2 exceptions – the VIM‐1808 contains the native system clock and an external clock input, and the VIM‐0808
does not. Therefore, only the VIM‐1808 is pictured in this document
1
Analog Outputs
The (8) analog line level outputs on the VIM‐1808 are
connected via (1) DB25 connectors, (8) channels per DB25
connector.
Analog Inputs
2
The (8) inputs are connected via a single DB25 connector.
Inputs are line level.
3
Input Selection Switch
Digital Inputs
4
The (8) digital returns are connected via a single DB25
connector. Digital inputs are all AES3 compliant.
Digital Outputs
5
The (8) AES digital outputs on the VIM‐1832 are connected
via (1) DB25 connectors, (8) channels per DB25 connector.
6
Primary Fiber Connection
The VIM‐1808 contains a single primary pair of fiber
connectors. Always be certain to use appropriate fiber and
connectors. LightViper systems use multimode fiber. Single
mode optics are available on a custom basis for situations
where single mode fiber may already exist.
7
Fiber Thru Connection
8
Control Circuit Connector
This RJ45 connector provides (3) bi‐directional CMOS or TTL
data lines (up to 38.4KHz from VIM‐0808 to VIM‐1808 and
2MHz from VIM‐1808 to VIM‐0808) plus voltage and GND.
This connector is used in conjunction with DGL‐422 cables
for transporting Yamaha control, or with MD3 units to
transport RS‐422, RS‐232 or MIDI. THIS IS NOT AN ETHERNET
CONNECTOR – CONNECTING AN ETHERNET DEVICE TO THIS
CONNECTOR COULD DAMAGE THE DEVICE. The pin outs for
this connector are detailed in the appendix. Most CMOS or
TTL functions / equipment can be adapted to make use of
this connector.
9
Sync LED
This LED indicates the status of the fiber‐optic link between
the VIM‐1808 and VIM‐0808. It has three states; SOLID RED
indicates there is no sync present; ALTERNATING RED &
GREEN indicates the unit is searching for sync; SOLID GREEN
indicates sync is present (optical link) and OFF indicates no
power.
Power Connector / Fuse
10
The AC power connection to the VIM‐1808 & VIM‐0808 are
made via the supplied IEC power cords. The internal power
11
13
12
2
3
6
4
5
supply can accept 90‐260V at either 50 or 60 Hz> The power
fuse is a 5x20mm, 1A Slo‐Blo. Only replace the fuse with an
exact match. If after replacement the fuse blows again,
contact Fiberplex for service.
Word Clock External Input
11
Clock Frequency Switch
12
chooses between analog line level and digital returns
Word Clock / Super Clock Output
13
7
8
9
10
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