Oki OKIPAGE 14ex Maintenance Manual page 145

9)
VOH (min)
VIH (min)
VIL (max)
VOL (max)
VOH (min)
VIH (min)
VIL (max)
VOL (max)
VIHZ (min)
Differential
Data Lines
(VCRS)
41356901TH Rev.2
Timing Chart
a) Packet Voltage Levels
VSS
Bus Idle
First Bit
SOP
of Packet
VSS
b) Disconnect Detection
D+ / D-
VIL
D- / D+
VSS
Device
Connected
c) Full-speed Device Connect Detection
VIH
D- / D+
VSS
Device
Connected
d) Differential Data Jitter
TPERIOD
Crossover
Points
Consecutive
Transitions
N * TPERIOD + TxDJ1
Bus Driven to
Last Bit
J State at end
of Packet
SE0
Portion
of EOP
≥2.5µS
DisConnect
Detected
D+
D-
≥2.5µS
Connect
Detected
Paired
Transitions
N * TPERIOD + TxDJ2
of EOP
Bus
Floats
Bus Idle
TPERIOD = 12Mbps (±0.25%)
TxDJ1 = Min-3.5ns~Max3.5ns
TxDJ2 = Min-4ns~Max4ns
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