Telecast
19
Digital Characteristics
Serial Communications
Data Interface
Signal Level
Data Rate
RS-422
Balanced TTL levels
0-150 kBits/sec*
RS-423
TTL levels
0-150 kBits/sec*
RS-232
±
8 V
p-p
0-38.4 kBits/sec
Sony CCU**
RM-M7, RM-P3 or compatible
0-20 kBits/sec
Jitter
1.12
m
secs
*Higher rates possible dependent on user system jitter tolerance.
** Request Telecast Application Note for more information.
Contact Closure
Input
TTL Ò1Ó or open circuit
Remote contact open
TTL Ò0Ó or shorted to circuit ground
Remote contact closed
Output
(Form 1A SPST-NO isolated contacts)
Voltage
200 VDC
Switched current
500 mA
Carry current
1.2 A
Contact resistance
200 m
W
Optical Characteristics
System Margin Data (1-Þber/2-Þber)
Operating Wavelength
850 nm
1300 nm
1550 nm
TX Output into cable
-16*/-18 dBm
-15/-13 dBm
-15/-13 dBm
RX Sensitivity
-24*/-26 dBm
-28/-30 dBm
-28/-30 dBm
*62.5
m
m Þber only.
Power Requirements
Voltage
12 to 24 VDC
Current
1.5 amperes, maximum @ 13.8 VDC
Note:
Although the units will operate at 12 VDC, 13.8 VDC is required to charge the internal
reserve battery.
Caution: Absolute maximum voltage is 30 VDC. Equipment damage may occur at higher
voltages.
