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Table of Contents
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Summary of Contents for CTC Union SDTU-01
- Page 1 User's Manual...
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Page 3: Table Of Contents
Contents Overview....................3 Features ....................4 Applications ..................4 Specifications ..................5 Packing ....................6 Appearance ..................7 Front Panel ..................7 Rear Panel ..................8 Important Safety Instructions ............. 9 Installation...................11 Hardware Setup .................13 Point-to-point Operation..............14 Console Operation ................15 Console Operation / Configuration............16 Cables....................18... -
Page 5: Overview
SDTU-01 SDSL V.35 DSU Overview The SDTU-01 SDSL DSU with V.35 interface is a data access DSU modem with the latest multi-rate SDSL (Symmetrical Digital Subscriber Line) technology offering both long range and high speed data transmission with rates from 144Kbps up to 2320Kbps. The transmitting data rate may be adapted for the best "rate vs. -
Page 6: Features
SDTU-01 SDSL V.35 DSU Features High speed SDSL transport over single twisted Copper pair telephone line 2B1Q line code Symmetrical Multi-rate data transmission from 144Kbps to 2320Kbps Simple operation Low power consumption Transparent data over SDSL Point-to-point data transmission service... -
Page 7: Specifications
SDTU-01 SDSL V.35 DSU Specifications Item SDTU-01 Data Port Interface V.35 Connector DB-25 WAN Port -- Transmission Rate : 144 Kbps – 2320 Kbps SDSL Line I/F Data Rate : 144 Kbps – 2320 Kbps Line Code 2B1Q 135 Ω... -
Page 8: Packing
SDTU-01 SDSL V.35 DSU Packing This package shall contain the following items: SDTU-01 unit AC Adapter (120VAC for North America, and 220-240VAC for Europe) RJ-11 Cable RS-232 Serial Cable, DB-9 to DB-9(optional) DB25-V35 Cable This manual... -
Page 9: Appearance
SDSL V.35 DSU Appearance Front Panel Connect all cables and power on the SDTU-01, LED’s on front panel shall indicate the following status. ALM: On when there is an error, if it remains On all the time, please call customer service. -
Page 10: Rear Panel
SDTU-01 SDSL V.35 DSU Rear Panel V.35 TERMINAL DC-IN RATE RJ11, SDSL for connection to local loop DB9, console port for connection to ASCII data termina DB25, V.35 serial Data Port, for connection to a router 4P DIP switch, for setting speed &... -
Page 11: Important Safety Instructions
The connections and equipment that supply power to the SDTU-01 should be capable of operating safely with the maximum power requirements of the SDTU-01. In the event of a power overload, the supply circuits and supply wiring should not become hazardous. The input rating of the SDTU-01 is printed on the nameplate. - Page 12 SDTU-01 SDSL V.35 DSU 11. A rare condition can create a voltage potential between the earth grounds of two or more buildings. If products installed in separate building are interconnected, the voltage potential can cause a hazardous condition. Consult a qualified electrical consultant to determine whether or not this phenomenon exists and, if necessary, implement corrective action before interconnecting the products.
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Page 13: Installation
SDTU-01 SDSL V.35 DSU Installation Connect the local loop (twisted copper pair telephone wire) to the WAN R ATE T ER M I N AL port (SDSL, RJ-11) by using the RJ-11 cable attached. Be sure this local loop had been properly... - Page 14 SDTU-01 SDSL V.35 DSU Terminal Connection -- • A data terminal can be connected to the TERMINAL port (RS-232) of the unit for configuration & monitoring purpose. Use R ATE TER M I N AL the RS-232 serial cable to...
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Page 15: Hardware Setup
SDTU-01 SDSL V.35 DSU Hardware Setup DSL rate and terminal type can be set up by adjusting the 4-pole DIP switch on the rear panel. Sw. 1 to Sw. 3 are for adjusting the DSL rate while Sw. 4 is for termination type. -
Page 16: Point-To-Point Operation
Make sure that both CO & RT SDTU-01s have been connected to the Routers properly. Check the WAN LED on the SDTU-01 -- it will remain lit when the Link is successfully established. The DSL training process may take around minute and the WAN LED will flash during the training process. -
Page 17: Console Operation
On Windows 95 or Windows NT : start Tool Bar à Program à Accessory à Hyper Terminal Group à Double Click Hypertrm.exe à Enter Connection Name à Select Icon à Click Select COM port to communicate with the SDTU-01-- − Choose direct to COM1 or COM2 à click OK... -
Page 18: Console Operation / Configuration
SDTU-01 SDSL V.35 DSU Console Operation / Configuration Turn on the power of SDTU-01, the terminal screen will display : Booting Code_Version: xxx DRAM BANK0 Check O.K. DRAM BANK1 Check O.K. Wait, booting now………. The booting screen will stay for about 6 seconds before entering the Main Menu. - Page 19 A window will be activated to show the status to download the Operation Software Code. 4.3. When finishing the downloading process, the SDTU-01 will be reset and the console screen will be back to initial booting screen. Select "2" display -- Upgrade SDSL Firmware Are you sure you want to upgrade "SDSL Firmware"...
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Page 20: Cables
5.2. A window will be activated to show the status to download the SDSL Firmware Code. 5.3. When finishing the downloading process, the SDTU-01 will be reset and the console screen will return to the initial booting screen. Cables RS-232 Cable for connection to VT-100 type ASCII terminal CRAFT Port DB-9 connector pin assignment : −... - Page 21 SDTU-01 SDSL V.35 DSU DB25 Male to M34S Female conversion cable (DCE-DTE Shielded Cable) : Figure 6 DB25 Connector Pin Signal M34S Connector Number Cable Shield Transmit Data Receive Data to DTE RTS(Request to Send) CTS(Clear to Send) DSR(Data Set Ready)
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