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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