OPTICAL SYSTEMS DESIGN
DOC ID: 10102908
OSD730 OPERATOR MANUAL
Page 6
1.4
TECHNICAL SPECIFICATION
TABLE 2: TECHNICAL SPECIFICATIONS
SPECIFICATION
PERFORMANCE
Audio Channels
Number of Channels
4
Nominal Level
0dBu (775mV) nominal
Headroom
18dB
Input Impedance
600
Ω
or 10k
Ω
(user selectable)
Output Impedance
200
Ω
Format
Balanced input and output
Signal to Noise Ratio
>70dB at nominal level
Total harmonic distortion
<0.05% at nominal level
Bandwidth (-3dB)
10Hz to 20kHz
Indicators
Red indicator for active transmit channels
Green indicator for active receive channels
Data
Number of channels
4
Data interface
RS232 or RS422 on all 4, RS485 available on channel 1
Channel 1 Controls
RS485/Normal Turnaround delays adjustable from 43
µ
S to 87mS (8
steps)
Indicators
Red indicator for active transmit channels
Green indicator for active receive channels
Optical
Optical wavelength
850nm (OSD730)
1300nm (OSD730L)
Transmit power
-15 to -10dBm into multimode fiber (OSD730 only)
-12 to -10dBm into singlemode fiber (OSD730L only)
Receiver sensitivity
<-39dBm
Receiver saturation
>-12dBm
Link Budget and Transmission Distance
>24dB ( >7km for multimode, >60km for singlemode)
Link Status Indicator
Red for no optical link
Green for optical link established
Optical connectors
ST Standard
Environmental, Physical, Power
Operating Temperature
-20 to 75
°
C
Relative Humidity
0 to 95% non-condensing
Power
10 to 28V
DC
or 15 to 20V
AC
@ 4VA
Dimensions
Module: 104W x 144D x 25H
Card: 25W x 208D x 100H
Weight
Module: 400g
Card: 200g
Cassis Current Consumption (CCC)
0.30 Amp
10273004
