HP Visualize c360 Supplementary Manual page 13

Attribute
Ports per host
Pin count
Cable segment
length
Max. transparent distance
Topology
Device-to-Device I/O?
Hot attach/detach
Device power
Power available
Power management
Devices/port controller
Device enumeration
Peak transfer rate
Error control
Flow control
a. Bus-to-bus bridges permit transparent access to over 60,000 nodes.
USB Alternatives
USB IEEE-1394
Open (2 typ.) Typ. 1...4
4 6
5m 4.5m
30m 72m
Tiered-Star Tiered-Star
No Yes
Yes Yes
Bus or Local Bus or Local
100 to 500 mA 1.5 A / port
per port
Yes Yes
127
63
All All
1.5 MB/s 50+ MB/s
CRC CRC
Packet re-send Packet re-send


    
async SCSI
Open (1 typ.)
50
6m
(single-ended)
Unlimited w/repeaters Unlimited w/repeaters
Parallel Bus
Theoretically
No
Local only
N/A
Only recently
a 7
Mostly
1.5 MB/s
Parity
Handshake
sync SCSI
Open (1 typ.)
50 or 68
varies
Parallel Bus
Theoretically
No
Local only
N/A
Recently
7 or 15
Usually
80 MB/s
Parity
Handshake