43502101TH Rev.1
113 /
Oki Data CONFIDENTIAL
9)
Timing Chart
a) Packet Voltage Levels
b) Disconnect Detection
D+ / D-
D- / D+
Device
Connected
DisConnect
Detected
≥
2.5
µ
S
VIHZ (min)
VIL
VSS
D+
D-
D- / D+
Device
Connected
Connect
Detected
≥
2.5
µ
S
VIH
VSS
c) Full-speed Device Connect Detection
VOH (min)
VIH (min)
VIL (max)
VOL (max)
VSS
Bus Idle
Bus Idle
Bus
Floats
Bus Driven to
J State at end
of EOP
Last Bit
of Packet
SE0
Portion
of EOP
SOP
First Bit
of Packet
VOH (min)
VIH (min)
VIL (max)
VOL (max)
VSS
TPERIOD
TPERIOD = 12Mbps (
±
0.25%)
TxDJ1 = Min-3.5ns~Max3.5ns
TxDJ2 = Min-4ns~Max4ns
Crossover
Points
Differential
Data Lines
(VCRS)
Consecutive
Transitions
N * T TxDJ1
Paired
Transitions
N * T TxDJ2
d) Differential Data Jitter
Summary of Contents for B4500 Series
Page 1: ...Oki Data CONFIDENTIAL B4500 B4550 B4600 Maintenance Manual 032007A PRINTING SOLUTIONS ...
Page 17: ...43502101TH Rev 1 17 Oki Data CONFIDENTIAL Upper cover unit Figure 2 2 Upper cover ...
Page 85: ...43502101TH Rev 1 85 Oki Data CONFIDENTIAL 2 High Voltage Sensor Board ...
Page 88: ...43502101TH Rev 1 88 Oki Data CONFIDENTIAL 3 Power Supply Board CN2 CN101 ...
Page 171: ...Please refer to the Illustrated Parts Manual for spare part information ...