Pelco MS508 ユーザーズマニュアル

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Pelco Manual C820M-D (1/01)
5
INSTALLATION
1.
Place the unit on a flat surface, or install it in an equipment rack using the appropriate
rack-mount kit.
2.
Refer to Figures 1 - 6 and select the desired configuration for your installation. Make
all equipment connections as illustrated in the drawings. Refer to Table A for the type
of coaxial cable to use.
3.
Plug in the power cord. The switcher will begin operating.
NOTE:
  For the maximum
recommended cable dis-
tances refer to the installa-
tion manuals supplied with
equipment (camera, lens
and monitor) to be used with
the switcher.
TERMINATING SWITCHERS
When using non-looping switchers, the monitor should be terminated unless the looping
output, if available, on the monitor is used. (Refer to Figures 1 and 2.)
Table A.  Video Coaxial Cable Requirements
Cable Type*
Maximum Distance
RG59/U
750 ft (229 m)
RG6/U
1,000 ft (305 m)
RG11/U
1,500 ft (457 m)
* Minimum cable requirements:
75 ohms impedance
All-copper center conductor
All-copper braided shield with 95% braid coverage
Figure 1.  MS500 Series Switchers - Terminating Configuration
Figure 2.  MS500 Series Switchers - Terminating Configuration with Coaxitron
®
 Transmitter
CAMERA
MON
4
3
2
1
AC INPUT
MS504DT (REAR VIEW)
TERMINATE
MONITOR
(SWITCH IN THE
75Ω POSITION)
MS504AF (REAR VIEW)
CAMERA
MON
4
3
2
1
AC INPUT
COAXITRON
TRANSMITTER
TERMINATE
MONITOR
(SWITCH IN THE
75Ω POSITION)
TERMINATE LOOPING
OUTPUT AT 75Ω