3
Miscellaneous:
Operating Temp. Range ........... -20
o
C to +60
o
C
Operating Power ...................... 9-24 Volts AC or DC@10 watts (max.)
Optical:
Operating Wavelength .............. 1310 nm; MM or SM
Optical Fibers ........................... 62.5/125 microns MM,
50/125 microns MM or
8-10/125 microns SM
Optical Connector .................... ST
Allowable Diff. Fiber Length .. 20 meters
Class I Laser Product complies with FDA performance standard for
laser products, Title 21, Code of Federal Regulations, Sub-Chapter J.
Audio:
Number of Audio Channels ..... 2, unbalanced
Frequency Response ................. +0/-0.5 dB, 20 Hz to 20 kHz
Input Impedance ....................... >24 k Ohms
Output Impedance .................... <1 Ohm
Maximum Audio Level ............. +10 dBu
THD+N ..................................... 0.005%; 20 Hz - 20 kHz
SNR (A-Weighted) ................... 95 dB
Channel Phase Differential ....... +/-0.1
o
Crosstalk ................................... Min. 95 dB (1 kHz)
External Signal Connectors ...... 3.5mm Stereo jack
Audio to Video Differential
Delay (skew) .............................. <300 uS
RGB Processing ....................... 24 bits, no compression or scaling
6
Alarm Switch Settings (Transmitter; Card Version Only):
Switch Position
Alarm Indication
On
Off
1
Loss of Video
Enabled
Disabled
2
N/A
N/A
N/A
Alarm Switch Settings (Receiver; Card Version Only):
Switch Position
Alarm Indication
On
Off
1
Loss of Signal
Enabled
Disabled
2
Loss of Video
Enabled
Disabled
Note: “Loss of Video” refers to either loss of horizontal or vertical
sync. “Loss of Signal” refers to the absence of an optical signal.
Indicator LEDs and Alarm Circuitry:
The stand-alone box versions of the Pure Digital Fiberlink 7250 and
7251 units have three integral indicator LEDs that are used to monitor
the state of the units.
The rack card versions of these products have an additional red indi-
cator LED that lights when an alarm condition exists. The rack card
unit also provides an output to drive a model 6020 Alarm Sensing
Video Pin Out:
Transmitter
Receiver
8
Ground
Ground
9
N/C
N/C
10
Ground
Ground
11
N/C
N/C
12
N/C
N/C
13
Hor. Sync. Out
Hor. Sync. Out
14
Vert. Sync Out
Vert. Sync Out
15
N/C
N/C
