RTU-O1 USB 4 PORTS HUB CARD USER'S MANUAL

1. INTRODUCTION:

THIS RTU-O1 USB 4 PORTS HUB CARD IS A MEDIUM-SPEED AND STANDARD

UNIVERSAL SERIAL BUS (USB) HUB. THIS IS A HUB DEVICE THAT PROVIDES 

ONE UPSTREAM PORT AND FOUR DOWNSTREAM PORTS IN COMPLIANCE 

WITH THE 1.1 USB SPECIFICATION.

BECAUSE THIS RTU-O1 CARD'S ASIC IS IMPLEMENTED WITH A DIGITAL STATE

MACHINE INSTEAD OF A MICRO CONTROLLER, NO SOFTWARE PROGRAMMING

IS REQUIRED.

IT CAN CONSOLIDATE THE LOW-SPEED AND MEDIUM-SPEED, PC DESKTOP

PERIPHERALS WITH ITS "PLUG & PLAY" CAPABILITY AND PROVIDE A MORE

USER-FRIENDLY INTERFACE FOR COMPUTER AND TELEPHONE INTEGRATION.

IT IS ALSO AN EXCELLENT COMPLEMENTARY SERIAL INTERFACE THAT 

OFFERS A SIMPLE, FLEXIBLE AND HIGHLY SCALEABLE CONNECTIVITY 

BETWEEN THE PC AND A FULL RANGE OF PERIPHERALS.

OUR PRODUCT TOPOLOGY ALSO SUPPORTS UP TO 127 PHYSICAL DEVICES IN

A TIERED-STAR CONFIGURATION, WITH EACH DEVICE HAVING THE MAXIMUM

OF 16 ENDPOINTS. DEVICES CAN BE OF EITHER LOW SPEED (1.5Mbps) OR FULL

SPEED (12Mbps).

2. FEATURE:

* FULL COMPLIANCE WITH THE USB SPECIFICATION REV 1.1 

* TIERED STAR TOPOLOGY SUPPORTING UP TO 6 TIERS AND 127 DEVICES, NO

CABLE SEGMENTS EXCEEDING 5 METERS.

* SUPPORT SELF-POWERED MODE (EACH DOWNSTREAM PORT:5OO mA)

* FOUR DOWNSTREAM PORTS WITH OVER-CURRENT PROTECTION.

* LOW EMI EMISSION ACHIEVED BY LOW FREQUENCY CRYSTAL INPUT.

* "PLUG & PLAY" CAPABILITY WITH EXTERNAL PERIPHERALS.

3. SPECIFICATIONS:

* RTU-O1 CARD x1.

* USER MANUAL.

* USB CABLE x 1 (A-B TYPE).

4. CONFIGURATION:

UPSTREAM PORT

(USB B TYPE FEMALE CONNECTOR) LINK TO HOST COMPUTER

DOWNSTREAM PORTS 

(USB A TYPE FEMALE CONNECTOR) LINK TO USB DEVICES

5. INSTALLATION:

STEP 1. REMOVE THE HOST COMPUTER AC POWER LINE SUPPLY.

STEP 2. PLUG THE RTU-O1 ADAPTER INTO THE MOTHER BOARD.

STEP 3. PLUG THE USB CABLE B TYPE MALE CONNECTOR INTO THE CARD

 "UPSTREAM PORT" AND ANOTHER SIDE CONNECTOR (A TYPE) INTO THE 

HOST COMPUTER.

STEP 4. CONNECT ALL USB DEVICES TO THE RTU-O1 ADAPTER'S DOWNSTREAM

PORT.

STEP 5. PLUG AC POWER LINE TO THE HOST PC.

NOTE : APPENDIX A --- USB PORT PIN ASSIGNMENTS

PIN 1 -------- +5V (WORKING -- 5OOmA OUTPUT)

PIN 2 -------- DATA -

PIN 3 -------- DATA +

PIN 4 -------- GROUND

Start: 1/18/2002 Update: 09.17.2009