List of Network Buses

List Of Network Buses

List of electrical characteristics of single collision domain segment "slow speed" network buses:

Name Multidrop Max nodes Electrical type Cable type Max bitrate / Length Max length / bitrate
0 0 0
EIA-485 (UART based) Y 256 EIA-485 Twisted pair 1000 kbit/s 1330 m / 64 kbit/s
SCSI-1/2 Y 8 Open collector Ribbon cable 20 000 kbit/s / 3 m 6 m / 5 Mbit/s/ch
SCSI Ultra2 Y 16 EIA-485 Twisted pair 40 000 kbit/s / 12 m
LIN Y 16 Single ended 19.2 kbit/s / 40 m
SIOX Y 62 19.2 kbit/s
I²C Y 127 or 1023 Open collector 3400 kbit/s 7.6 m
SMB Y 128 Open collector 100 kbit/s
PMBus Y 128 Open collector 400 kbit/s
10Base-2 Y 30 Differential RG58 Coax 10 000 kbit/s / 185 m 185 m
CAN Y 128 EIA-485 Twisted pair 1000 kbit/s / 40 m 1000 m / 40 kbit/s
DMX512-A Y 512 EIA-485 Twisted pair 120 Ω 250 kbit/s / 100 m 150 m / 250 kbit/s
DCC Y 127 Single ended 5 kbit/s
RS-232 N 2 Single ended 128 kbit/s / ~1.5 m 15 m / 19.6 kbit/s
PSI5 Y Twisted pair 189 kbit/s 12 m (approx)
1-Wire Y 248 Open collector Single conductor, with ground 16.3 kbit/s 300 m
X10 Y 256 Power line 0.05 kbit/s / 0.06 kbit/s
FlexRay Twisted pair 20 000 kbit/s
SENT Single ended Single conductor, with 5 V power supply and ground
ZZ ZZ 9999999 ZZ ZZ 9999999 9999999

The number of nodes can be limited by either number of available addresses or bus capacitance. None of the above use any analog domain modulation techniques like MLT-3 encoding, PAM-5 etc.

PSI5 designed with automation applications in mind is a bit unusual in that it uses Manchester code.

Read more about List Of Network Buses:  See Also

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