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25
APPENDIX C
25.1 Installation Checklists
(A simplified guide for those who are already familiar with
installing and programming Allegiant systems.)
25.1.1 System Hardware Installation
I I
Unpack equipment and verify that items have been received
without carrier damage.
I I
Set applicable CPU DIP switches to activate desired features.
I I
If applicable, install bay into EIA 19-inch rack (remember to
remove rubber bumper foot pads).
I I
Connect camera inputs and monitor outputs to appropriate
connections on equipment bay(s).
I I
Connect system keyboards, any alarm connections, and any
signal distribution connections to bay.
I I
Apply main AC power to equipment.
I I
Verify system is operating properly then begin appropriate
programming.
25.1.2 Satellite Configuration Hardware Installation
Main Site:
I I
Install Allegiant Series bay and appropriate accessory
products accordingly. Verify biphase control code line is run
to each satellite site.
I I
Attach Trunk line inputs, local camera inputs, and monitor
outputs to Allegiant Series bay. Apply main AC power to
equipment.
I I
Program Camera ID table using Master Control Software
package or Graphical User Interface software package.
I I
Switch all unused monitor outputs located at main site to
display a 'local' camera input.
Satellite Site(s):
I I
Install satellite switcher and appropriate accessory products
accordingly.
I I
Connect biphase code line to LTC 8780 Data Converter
unit and configure according to desired satellite address and
switcher's baud rate.
I I
If necessary, program satellite switcher for desired camera
titles and any other related requirements.
25.1.3 Programming Via System Keyboard
I I
Enter system time (User Function 7) and date (User
Function 8). Enter Camera ID titles (User Function 9), and
if desired, adjust monitor overlay displays (User Function 4,
5, & 6 or 24, 25 & 26).
I I
Enter desired Sequences.
I I
Configure and test alarm response mode.
26
APPENDIX D
26.1 Quick Reference Cable Interconnections
26.1.1 System Video Connections
COAX — All video input and output connections to the
Allegiant system should be made using a good grade of RG59U,
RG6, or RG11U coaxial cable using BNC connectors. The
following guidelines should be used to insure selection of the
proper cable type:
1.
Center conductor of copper, not copper weld or steel. Use
stranded wire where there will be cable movement as with
pan/tilts, elevators, etc.
2.
Copper braided shield at 93% coverage or better.
3.
Cable impedance of 75 ohm.
4.
Select cable based on target of no more than 15 ohms of
center conductor resistance. A typical value for RG59U is 15
ohms per 1000 feet, therefore maximum cable run should be
no more than 1000 feet. RG11U/RG6 is typically rated for 6
ohms per 1000 feet which permits runs up to 2500 feet.
5.
Use video amplifiers to extend cable distances beyond
maximum limitations listed above.
26.1.2 Keyboards
1.
The keyboard comes supplied with 10 feet of 6 conductor
phone type cable with RJ-11 connectors. The cable plugs
directly into the rear of the system's main bay on one end
and into the back of the keyboard on the other end. Both
data and power for the keyboard travel over this cable.
2.
An optional 100 foot cable is also available.
3.
An optional kit which permits the keyboard to be extended
beyond 100 feet is available and uses customer supplied
shielded twisted pair. The kit consists of two "breakout"
boxes which convert from the phone type cables to the
shielded twisted pair and also provide for local keyboard
power. Maximum distance using 24 gauge wire (Belden
9841 or equivalent) is typically 5000 feet.
26.1.3 Alarm Connections
ALARM INPUTS — The alarm inputs can be dry contact
closures or logic levels. Connections to the Alarm inputs are made
to removable screw type terminal blocks and the use of simple
twisted pair wire is acceptable.
26.1.4 Signal Distribution Connections
DISTRIBUTION OUTPUTS — Only shielded twisted pair
wire should be used between the integral Distribution unit
outputs and the camera site receiver/drivers. Connection to the
Distribution unit is made to removable screw terminal type
blocks. Each output is rated to handle up to 8 receiver/driver
loads as in a daisy chain configuration to a maximum of 5000 feet
using a 18 gauge wire (Belden 8760 or equivalent).
26.1.5 Receiver/Drivers
CODE INPUT — The code input is supplied by the shielded
twisted pair cable from the Signal Distribution connections. This
is connected to a removable screw terminal type block which has
provisions for "looping" the code cable to another receiver/driver.
62
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