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I-DSL64 USER’S MANUAL

Appendix A

Specifications:

Items Notes

Type

Full duplex with adaptive echo cancellation

Line coding

2B1Q

Line Type

Unconditioned twisted pair

，

19-26 AWG

Surge Protection

Meets FCC Part 68 Type A

，

Network

Line

Interface

Connector

RJ45

Number of Ports

Data Rate

Synchronous : 64Kbps

DTE

Interface

Connector

G.703 64K Co-Directional 4-wire twisted pair

Operation Range

2-wire mode
Up to 5.5Km over 26 AWG
Up to 7.0Km over 24 AWG
Meet ANSI T1.601 and ETSI ETR 080 standard loop

Clock Source

Internal
Line
G64KC

eoc

Fully detect EOC message defined by ANSI T1.601

Loopbacks

Local loopback
Digital loopback
ITU-T V.54 DTE loopback
ANSI T1.601 CSU loopback

Diagnostic

2047 BERT

DTE-(G64KC)

Keypad

4 operation keys ( Esc, Left arrow, Right arrow,
Enter)

LED

7 status LED’s
PWR, SYNC, Loop, BERT, Data[Tx, Rx, ERR]

Front Panel

LCD

16 X 2 with backlight

AC Input

90~264VAC, 47~63Hz

DC Input

18~60VDC

Power

Consumption

>10VA

Dimensions

19.5X4.8X16.8 cm (W X H X D)

Physical

Mounting

Desk-top stackable

Temperature

0~50

℃

Environment

Humidity

0%~95%RH (non-condensing)

EMI

Meets IEC CISPR22 Class A
Meets FCC Part 15 Subpart B Class A

Summary of Contents for I-DSL128

Page 1: ...USER MANUAL I DSL64 Single Port Leased Line Modem G 703 64K Co Directional I F CTC Union Technologies Co Ltd ...

Page 2: ......

Page 3: ...laim alleges that CTC Union Technologies was negligent regarding the design or manufacture of said product TRADEMARKS Microsoft is a registered trademark of Microsoft Corp HyperTerminal is a registered trademark of Hilgraeve Inc WARNING This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to p...

Page 4: ...rsion 1 1 September 2005 Released for first printing This manual supports the following models I DSL64 This document is the first official release manual Please check CTC Union s website for any updated manual or contact us by E mail at info ctcu com Please address any comments for improving this manual or to point out omissions or errors to marketing ctcu com Thank you The information contained i...

Page 5: ...ctory Default Setup for the I DSL64 7 2 Installation 7 3 Configuration 9 3 1 LT NT 10 3 2 Data Rate 11 3 3 Clock Mode 12 3 4 Restart Device 13 3 5 Load Default Settings 14 4 Maintenance 15 4 1 Show Status 16 4 2 Local Loopback 17 4 3 Digital Loopback 19 4 4 CSU Loopback 21 4 5 DSU Loopback 23 4 6 2047 BERT 27 Appendix A 30 Appendix B 31 ...

Page 6: ...Table of Contents ii ...

Page 7: ...family provides the type of DTE interfaces as following z G 703 Co Directional 1 1 General Overview The I DSL64 is a stand alone leased line modem with the following features z Support for 64Kbps of bandwidth for high speed data applications z One DTE port z One LCD panel and four push buttons z Ability to display and configure local and remote system parameters z Three system clock sources Loop t...

Page 8: ...office over a PCM Advance D4 Channel Bank AD4 Digital Loop Carrier DLC system or U loop ISDN repeater Figure 1 DTE DTE DTE NTU 128 OCU DP DTE NTU 128 OCU DP T1 PCM AD4 PCM AD4 Figure 1 I DSL64 connects with multiplexer system z The I DSL64 can serve as a 64Kbps limited distance modem for leased line application Figure 2 DTE DSL DTE NTU 128 NTU 128 Figure 2 I DSL64 leased line application I DSL64 I...

Page 9: ...ANUAL 3 1 3 Hardware Overview Figure 3 Overview of the I DSL64 1 3 1 Front Panel The I DSL64 s front panel Figure 4 consists of the following z LCD module z LED module z Push button module Figure 4 I DSL64 front panel ...

Page 10: ...Sync DSL Indicator Green Blink System detect DSL side CRC error NEBE Off No 2047 BERT test BERT Bit Error Rate Test Red On 2047 BERT test Off System functioning normally Loop Testing indicator Yellow On System in testing mode Off No data transmission from DTE to port G64KC TX Data transmitting Green On Data transmission from DTE to port G64KC Off No data transmission from port G64KC to DTE RX Data...

Page 11: ...DTE Interface z DSL Interface z Power Interface Figure 5 The I DSL64 rear panel Each interface has the following functions Label Function POWER Power switch AC IN Power inlet input voltage 90 264VAC 10VA I DSL 2B1Q Line interface port Data Co directional interface port Table 4 Function of the rear panel ...

Page 12: ...DSL64 s DSL interface provides a 2 wire RJ45 for ISDN basic rate U interface 1 3 4 3 DSL Protection There are surge protectors current limiters and fuses for the primary protection and zener diodes and a diode bridge for secondary protection The I DSL64 conforms to FCC Part 68 Type A B 1 3 4 4 Sealing Current z NT mode The I DSL64 provides a closed loop for sealing current The loop resistance is a...

Page 13: ... configuration is as follows System Parameters Default Setup DTE port G64KC LT NT NT DATA RATE 64K CLOCK SOURCE Loop Table 5 System Default Setup 2 Installation The following shows the rear panel of the I DSL64 and the connection diagram Figure 6 I DSL64 back panel connections Power Switch Power Inlet AC shown DSL Line Connector G 703 Co directional Line Connector ...

Page 14: ...rt labeled AC 90 264VAC on the rear panel of your I DSL64 Step 4 Turning on the power Turn on the power switch labeled POWER on the rear panel of your I DSL64 The PWR LED lights up to indicate the power is normal All the LED s on the front panel except for the PWR LED will blink for five seconds The LCD will show the following I DSL64 After blinking for five seconds the LED s will turn off and the...

Page 15: ...tings just use Left arrow or Right arrow to move the cursor blinking to the preferred option then press Enter to confirm the operation After this the sign will point to the new setting and indicate the device configuration has been change successfully The user may press Esc to leave any operating screen If there are any settings changed before you leave the current screen the system will remind us...

Page 16: ... to choose CHANGE SETUP then press Enter CHANGE SETUP Step 3 Use Left arrow or Right arrow to choose LT NT screen then press Enter CHANGE SETUP LT NT Step 4 Use Left arrow or Right arrow to choose LT or NT then press Enter LT NT LT NT Step 5 The LCD will show one of the following messages to indicate successful completion LT NT LT MODE LT NT NT MODE ...

Page 17: ...E SETUP Step 3 Use Left arrow or Right arrow to choose DATA RATE then press Enter CHANGE SETUP DATA RATE note G 703 64K co directional must have fixed data rate of 64Kbps The timeslot may be selected as either B1 or B2 channel and must match on both local and remote units Step 4 Use Left arrow or Right arrow to choose the G64kC time slot B1 or B2 then press Enter G64KC 64K B1 G64KC 64K B2 G64KC OF...

Page 18: ...ode loop timing is fixed Step 1 Enter DEVICE CONFIGURATION screen then press Enter DEVICE CONFIGURATION Step 2 Use Left arrow or Right arrow to choose CHANGE SETUP then press Enter CHANGE SETUP Step 3 Use Left arrow or Right arrow to choose CLOCK SOURCE screen then press Enter CHANGE SETUP CLOCK SOURCE Step 4 Use Left arrow or Right arrow to choose INT for internal timing or G64KC for external tim...

Page 19: ...GURATION Step 2 Use Left arrow or Right arrow to choose RESTART DEVICE then press Enter RESTART DEVICE Step 3 Use Left arrow or Right arrow to choose YES then press Enter RESTART DEVICE NO YES Step 4 The LCD will show the following message and the I DSL64 will restart after 3 seconds RESTART DEVICE AFTER 3 SECONDS ...

Page 20: ... CONFIGURATION Step 2 Use Left arrow or Right arrow to choose LOAD DEFAULT SETTINGS then press Enter LOAD DEFAULT SETTINGS Step 3 Use Left arrow or Right arrow to choose YES then press Enter LOAD DEFAULT NO YES Step 4 The LCD will display the following message and the I DSL64 will load default settings from EEROM and restart after 3 seconds LOAD DEFAULT RESTART DEVICE ...

Page 21: ... Show Status z Local Loopback z Digital Loopback z CSU Loopback z DSU Loopback z BERT G64KC 2047 Note 1 The CSU and DSU loopbacks will work properly under the DSL environment with a 10 3 bit error rate Note 2 The Digital CSU and DSU loopbacks could be activated only when the DSL is synchronized Note 3 The system will release the Digital CSU and DSU loopbacks when the DSL is out of sync 4 1 Show St...

Page 22: ...US screen then press Enter SHOW STATUS Step 2 Use Left arrow or Right arrow to check the system current status MODE XX PORT NUMBER XX CLOCK MODE XXXXXX G64KC SPEED XXXXXX LOCAL LOOPBACK XXXXXX DIGITAL LOOPBACK XXXXXX CSU LOOPBACK XXXXXX DSU LOOP G64KC XXXXXX BERT G64KC XXXXXX ...

Page 23: ...the local site During this test the remote unit will lose DSL synchronization When the local loopback test is released the system will restart and return to its initial state During the local loopback testing period the TST and ACT LED s will be lit Figure 7 Local Loopback TD RD DTE Local Site NTU 128 TD RD DTE Line Interface Digital Interface Remote Site NTU 128 Local Loopback I DSL64 I DSL64 ...

Page 24: ...Step 4 The local loopback is executed successfully when the LCD shows LOCAL LOOP OK and both the SYNC and Loop LED s are lit Otherwise it shows LOCAL LOOP FAILED meaning the local loopback was not activated LOCAL LOOP OK LOCAL LOOP FAILED Step 5 Use Left arrow or Right arrow to choose OFF then press Enter LOCAL LOOP OFF ON Step 6 When the local loopback has been released successfully the LCD shows...

Page 25: ... remote site When this test is executed all the payloads B1 and B2 Channels are looped and the Loop LED is lit and the DTE ports are turned off Note When the digital loopback is activated all the DSL payloads B1 and B2 Channels are occupied into a testing mode So CSU DSU loopback and 2047 BERT are disabled in the local site Figure 8 Digital Loopback TD RD DTE Local Site NTU 128 TD RD DTE Line Inte...

Page 26: ...rrow or Right arrow to choose B1 B2 then press Enter DIGITAL LOOP OFF B1 B2 Step 4 Digital loopback is executed successfully when LCD shows DIGITAL LOOP B1 B2 and the Loop LED is lit DIGITAL LOOP B1 B2 OK Step 5 Use Left arrow or Right arrow to choose OFF then press Enter DIGITAL LOOP OFF B1 B2 Step 6 When the digital loopback has been released successfully the LCD shows DIGITAL LOOP RELEASE OK Th...

Page 27: ...pback messages that can be chosen z Return To Normal RTN 1111 1111 z Operate B1 Channel Loopback 0101 0001 z Operate B2 Channel Loopback 0101 0010 z Operate 2B D Loopback 0101 0000 When you specify the eoc loopback message it is sent continuously with the address 000 When one of the operate messages activates the CSU loopback the TST LED will be turned on It will be turned off when the RTN message...

Page 28: ... occupied in a testing mode so the DSU loopback of the corresponding DTE ports and 2047 BERT are disabled at the local site Note 2 If the I DSL64 is set to OFF the system will release all the CSU loopbacks When the CSU loopback is activated the Loop LED will be turned on It will be turned off when the unit receives a valid RTN command All CSU replies loopbacks from the NT will be latching permitti...

Page 29: ...r 2B D then press Enter CSU LOOP RTN B1 B2 2B D Step 4 The CSU loopback is executed successfully when the LCD shows CSU LOOP REMOTE B1 OK CSU LOOP REMOTE B2 OK or CSU LOOP REMOTE 2B D and the Loop LED is turned on CSU LOOP REMOTE B1 OK CSU LOOP REMOTE B2 OK CSU LOOP REMOTE 2B D OK Step 5 Use Left arrow or Right arrow to choose RTN then press Enter CSU LOOP RTN B1 B2 2B D Step 6 When the LCD shows ...

Page 30: ...you initiate the DSU loopback test the transmitting unit will send a loopback message specified by ITU T V 54 to the receiving unit Either the local or remote site can initiate the test When the receiving unit receives a valid loopback message from the transmitting unit it will send back an acknowledgement message and execute a DSU loopback This tests the B1 B2 or B1 B2 channel as well as the cond...

Page 31: ...lease pattern to remote site to release remote DSU loopback 4 5 1 To Execute DSU Loopback 4 5 1 1 Request Remote Loopback and Release Step 1 Enter DEVICE DIAGNOSTIC screen then press Enter DEVICE DIAGNOSTIC Step 2 Use Left arrow or Right arrow to choose DSU LOOPBACK V 54 G64KC then press Enter DSU LOOPBACK V 54 G64KC Step 3 Use Left arrow or Right arrow to choose REQ REMOTE LOOP for request for re...

Page 32: ...REQ REM RELEASE Step 6 When the DSU loopback has been released successfully the LCD shows REQ REM RELEASE and Loop LED is off DSU LOOP G64KC REM LOOP RELEASE 4 5 1 2 Disable and Enable DSU Loopback Function Step 1 Enter DEVICE DIAGNOSTIC screen then press Enter DEVICE DIAGNOSTIC Step 2 Use Left arrow or Right arrow to choose DSU LOOPBACK V 54 G64KC then press Enter DSU LOOPBACK V 54 G64KC Step 3 U...

Page 33: ...the BERT LED is turned on the assigned DTE port off and the timer activated Users may check the RUN TIME and BIT ERR results on the LCD z RUN TIME The elapsed time with range from 0 to 65535 seconds If results are out of this range a sign appears to the left of the digits z BIT ERR The error bit count with range from 0 to 65535 bits If results are out of this range a sign appears to the left of th...

Page 34: ...r Right arrow to choose BERT 2047 G64KC then press Enter TD RD DTE Line Interface Digital Interface Remote Site NT NTU 128 eoc CSU Loopback 2047 BERT B1 or B2 or 2B D TD RD DTE Local Site LT NTU 128 2047 GEN 2047 RCV I DSL64 I DSL64 TD RD DTE Line Interface Digital Interface Remote Site NTU 128 V 54 DSU Loopback 2047 BERT DTE A or DTE B DTE A or DTE B TD RD DTE Local Site NTU 128 2047 GEN 2047 RCV...

Page 35: ...ows as below The RUN SEC counter should be increasing and the BERT LED should be on RUN SEC XXXXX BIT ERR XXXXX Step 5 Use Left arrow or Right arrow to choose STOP to stop counting or RST to reset counter then press Enter BERT 2047 G64KC STOP RUN RST Step 6 IF you choose STOP the counters will stop If you choose RST the counters will reset to zero and begin counting again RUN SEC XXXXX BIT ERR XXX...

Page 36: ...T1 601 and ETSI ETR 080 standard loop Clock Source Internal Line G64KC eoc Fully detect EOC message defined by ANSI T1 601 Loopbacks Local loopback Digital loopback ITU T V 54 DTE loopback ANSI T1 601 CSU loopback Diagnostic 2047 BERT DTE G64KC Keypad 4 operation keys Esc Left arrow Right arrow Enter LED 7 status LED s PWR SYNC Loop BERT Data Tx Rx ERR Front Panel LCD 16 X 2 with backlight AC Inpu...

Page 37: ...ir to and from the network interface 6 No Connection Reserved for future standardization 7 No Connection Reserved for future standardization 8 No Connection Reserved for future standardization Data Connector and Pin Designations Signal Function Pin Direction Description Protective Ground 4 10 Chassis Ground May be isolated from Signal Ground Signal Ground 8 Common Signal Ground Transmitted Data 3 ...

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Page 40: ...its CTC Union Technologies Co Ltd Far Eastern Vienna Technology Center Neihu Technology Park 8F No 60 Zhouzi Street Neihu Taipei Taiwan Phone 886 2 2659 1021 Fax 886 2 2799 1355 E mail info ctcu com http www ctcu com ...

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