American Fibertek MR-91P558 - Manual (Page 4)

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with this unit. The negative side of the power input is directly connected to ground. ANSI/NFPA 70
Class 2 wiring is recommended.
POWER CONNECTION
Power is supplied to the unit via a two pin terminal connector on the right side of the unit. Follow the
label on unit for proper orientation of +12 volt dc and ground.
FIBER INPUT / OUTPUT CONNECTION
The fiber optic input / output connection is made via a ST connector located on the right side of the unit.
VIDEO OUTPUT CONNECTION
The video output connection is made via a BNC connector on the right side of the unit. The 75
Ω video
output can be looped through typical baseband video inputs of switchers, recorders and other
equipment as required. For proper operation, the output must be terminated with 75
Ω. For optimum
performance the video cables should be the shortest length of coax practical.
AUDIO INPUT / OUTPUT CONNECTIONS
Audio input and output connections are made via a terminal block on the right side of the unit. Follow
the label on unit for proper orientation of input and output connections. Please note that the far right pin
on the label (DATA OUT-) corresponds with the terminal block pin located closest to the base of the
unit.
DATA INPUT / OUTPUT CONNECTIONS
Data input and output connections are made via terminal blocks on the right side of the unit. See the
drawings below for proper orientation of input and output connections. Please note that the far right pin
on each connection drawing corresponds with the terminal pin located closest to the base of the unit.