User`s manual

4
INSTALLATION INSTRUCTIONS
Installation Procedure
The Pure Digital Fiberlink 7030 and 7040 Series transmission
systems are normally preset for immediate use. There are indicator
LEDs on the units for monitoring purposes. The following instructions
describe the typical installation procedure and the function of the LED
indicators.
1. Connect the fiber optic cable or cables
between the two Pure Digital Fiberlink
units.
2. Apply power to both Pure Digital
Fiberlink units. For box versions using
DC power connections, refer to Figure 1.
3. When power is applied, the green
POWER LED will light, indicating the presence of operating power.
The green VIDEO LED(s) will give an indication as stated on the
following page. Note that the rack card version will have an addi-
tional red LED to indicate the presence of an alarm condition (loss of
video).
4. The system should now be operational.
5
Indicator LEDs and Alarm Circuitry
The stand-alone box versions of the Pure Digital Fiberlink 7030 and
7040 Series transmission units have integral LEDs that are used to
monitor the state of the unit. There are two video LEDs on the 7030
units and four video LEDs on the 7040 units. The LEDs are labeled
VID 1, VID 2, VID 3 and VID 4.
The rack card versions of this units have an additional red indicator
LED that lights when an alarm condition exists. The rack card unit also
provides an output to drive a model 6020A Alarm Sensing Module
which provides an audible tone and activates a set of contacts for
external signaling purposes.
TRANSMITTER and RECEIVER:
Power: (Green) Indicates that correct power has been applied.
TRANSMITTER:
Video: OFF: Indicates no video detected on input BNC connector
ON: Indicates video detected on input BNC connector
Alarm: ON: Loss of video (rack card only)
Switch Position Alarm Indication On Off
1 Loss of Signal Enabled Disabled
2 Loss of Video 1 Enabled Disabled
3 Loss of Video 2 Enabled Disabled
4 Loss of Video 3 Enabled Disabled
(7040 only)
5 Loss of Video 4 Enabled Disabled
(7040 Only)
Alarm Switch Settings (Receiver; Card Version Only)
Alarm Switch Settings (Transmitter; Card Version Only)
Switch Position Alarm Indication On Off
1 Loss of Link Enabled Disabled
2 Loss of Video 1 Enabled Disabled
3 Loss of Video 2 Enabled Disabled
4 Loss of Video 3 Enabled Disabled
(7040 only)
5 Loss of Video 4 Enabled Disabled
(7040 Only)
Note: “Loss of Link” refers to loss of input signal lock. “Loss of Video”
refers to loss of the respective input video. “Loss of Signal” refers to the
absence of an optical signal.