NETWORK REQUIREMENTS/SPECIFICATIONS
Page 2-15
RECEIVE (cont.)
RX-in and RX-out Ports 1-8
Parameter
Typical Worst
Value
Case
Common-mode voltage
range at TX-in:
0-30 Volts
0-5 Volts
Input sensitivity:
±
100 mV
±
75 to 150 mV
Delay time, RX-in to RX-out
start-up:
50 ns
100 ns
steady-state:
10 ns
20 ns
Waveform Symmetry
RX-out (any):
±
0.25 ns
±
0.50 ns
Output Voltage into 78
ohms RX-out (any):
900 mV
550 mV
COLLISION DETECTOR
Parameter
Typical Worst
Value
Case
Output frequency:
10 MHz
9-11 MHz
Turn-on delay.
CP-in to CP-out (any):
50 ns
150 ns
Turn-off delay:
250 ns
300 ns
Frequency range:
4-20 MHz
5-15 MHz
Input impedance CP-in.
differential:
78 ohms
76-80 ohms
common-mode:
> 20.0 ohms
Front matterBook Page 15 Thursday, January 25, 1996 12:06 PM
