Samsung SRP-350PG Service Manual - Page 23

USB Interface - support

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2-5 Interface Specifications 2-5-3-(c) IEEE 1284 I/F Cable 2 Product Specifications HOST SIDE Figure 2-9 IEEE1284 Cable 2-5-4 USB Interface 2-5-4-(a) Specification Item Description Transfer Type • BULK Data Signal • Bi-direction, Half-Duplex • Differential Signal Pair (D+ / D-) Data Format • NRZI Format • Zero Bit Stuffing after 6 ones • Differential Receive Sensitivity : 200[mV] Transceiver • Differential Common Mode Range : 0.8 ~ 2.5[V] • Single-End Receiver Threshold : 0.8 ~ 2.0[V] Speed • 12 Mbps Power • Self-Powered Cable & Connector • Cable • Connector : 5m / 2m : B Type Other • Support USB SPEC V1.1 Table2-17 USB Specification PRINTER SIDE Centronics 36P Remark Samsung Electro-Mechanics 2-15

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2 Product Specifications
2-15
2-5 Interface Specifications
2-5-3-(c) IEEE 1284 I/F Cable
Figure 2-9 IEEE1284 Cable
2-5-4 USB Interface
Ë'°Ì+ÈÉ´ÂÁ¼¼¶¾Ä´Ä²³´1Ë=´01º¹Æ³¾Â½·´Ë³¾¹½·´=ÁÂ3´Ë³¾¹½·´!¶44Áº¹¿½Ä¹¶ºÇ
2-5-4-(a) Specification
Item
Description
Remark
Transfer Type
•
BULK
Data Signal
•
Bi-direction, Half-Duplex
•
Differential Signal Pair (D+ / D-)
Data Format
•
NRZI Format
•
Zero Bit Stuffing after 6 ones
Transceiver
•
Differential Receive Sensitivity
: 200[mV]
•
Differential Common Mode Range : 0.8 ~ 2.5[V]
•
Single-End Receiver Threshold
: 0.8 ~ 2.0[V]
Speed
•
12 Mbps
Power
•
Self-Powered
Cable & Connector
•
Cable
: 5m / 2m
•
Connector
: B Type
Other
•
Support USB SPEC V1.1
Table2-17 USB Specification
HOST
SIDE
PRINTER
SIDE
Centronics 36P
Samsung Electro-M
e
chanics