Into 50/125 m Fiber:-23.5 dBm-26.5 dBm
Into 62.5/125 m Fiber:-18.5 dBm-21.5 dBm
Into 100/140 m Fiber:-15.5 dBm-17.5 dBm
Transmitter Power - High Mode
Into 50/125 m Fiber:-17.5 dBm-20.5 dBm
Into 62.5/125 m Fiber:-12.5 dBm-15.5 dBm
Into 100/140 m Fiber:-9.5 dBm-11.5 dBm
Maximum Fiber Optic Link:3 km (IEEE 802.3 specification allows for a maximum
of 1000 meters of fiber cabling between repeaters. Total network propagation delay must
be calculated before fiber runs can be incorporated in any network design.)
For further information refer to the FOT-1 Fiber Optic Transceiver User Manual.
AUI INTERFACE (PORT 2)
Parameter
Typical Value Worst Case
Frequency Range:4 to 20 MHz
5 to 15 MHz
RX and CP Pair Input
Impedence
Differential:
78 ohms
76 to 80 ohm
Common-mode:Greater than 20 ohms
Common-mode Voltage
Range at RX or CP Pair:0 to 30 V
0 to 5 V
Input Sensitivity at RX or
CP Pair:
100 mV
75 to 150 mV
Waveform Symmetry
TX Pair:
0.5 ns
1.0 ns
Output Voltage Into
78 Ohms, TX Pair:900 mV
550 mV
Interface Connector
Type:
15 position D type receptacle
Pin
1
Logic Ref.
Pin
9
Collision-
2
Co 10
Transmit
-
3
T
11
Logic Ref.
