Black Box G.703/G.704 NTU w/V35 Скачать руководство пользователя страница 1 | Manualshive

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CUSTOMER

SUPPORT

INFORMATION

Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX
FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: [email protected]

BLACK BOX

NETWORK SERVICES

®

®

G.703/G.704

NTU w/V35

511/E
Normal
511

G.703/G.704 NTU w/V35

Local

Normal

Remote

Test Modes

TM

ER

RD

TD

E1 Link

LOS

MARCH 2006

MT335A

1
2
3
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Содержание G.703/G.704 NTU w/V35

Страница 1: ...a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mail order Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbox com BLACK BOX NETWORK S...

Страница 2: ...sted and found to comply with the limits for a Class A computing device in accordance with specifications in Sub part B of Part 15 of FCC rules which are designed to provide reasonable protec tion fro...

Страница 3: ...o debe ser usado nicamente con carritos o pedestales que sean recomendados por el fabricante 7 El aparato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante 8...

Страница 4: ...nicamente de acuerdo a las recomen daciones del fabricante 15 En caso de existir una antena externa deber ser localizada lejos de las lineas de energia 16 El cable de corriente deber ser desconectado...

Страница 5: ...4 Multiframe 12 2 3 6 Switch SW2 3 Data Inversion 12 2 3 7 Switch SW2 4 Remote Digital Loopback Type 13 2 3 8 Switch SW2 5 Front Panel Switches 13 2 3 9 Switch SW2 6 V 54 Response Disabled default 13...

Страница 6: ...2 Network Connector 22 A 3 Nominal Impedance 22 A 4 Line Coding 22 A 5 Line Framing 22 A 6 CRC 4 Multiframing 22 A 7 Clocking 22 A 8 Time Slot Rate 22 A 9 Network Data Rates 22 A 10 Distance 22 A 11 C...

Страница 7: ...d 120 ohm twisted pair G 703 connections Local and remote loopback diagnostics Internal external and G 703 network timing CE and BABT approvals 100 240 VAC Conforms to ONP requirements CTR 12 and CTR...

Страница 8: ...ange of applications The sets of switches are accessed from the underside of the MT335A Figure 1 shows the location of the DIP switches on the bottom of the printed circuit board Figure 1 Underside of...

Страница 9: ...f On 576 kbps Off On On Off On 640 kbps On Off On Off On 704 kbps Off Off On Off On 768 kbps On On Off Off On 832 kbps Off On Off Off On 896 kbps On Off Off Off On 960 kbps Off Off Off Off On 1024 kbp...

Страница 10: ...he received line signal received recovered from the network Internal Clock Transmitter timing is derived from an internal clock source External Clock Transmitter timing is derived from DTE terminal ti...

Страница 11: ...cial violations and decodes them as zeros This method enables the network to meet minimum pulse density require ments Unless AMI is required in your application HDB3 should be used whenever possible A...

Страница 12: ...4 errors It transmits CRC 4 error counts to the transmitting unit When using timeslot zero TS0 excessive errors may cause loss of frame or loss of sync If CRC 4 MF is used both units must be set for...

Страница 13: ...oggle switches are active or inactive 2 3 26 SWITCH SW2 6 V 54 RESPONSE DISABLED DEFAULT V 54 Response is a special in band loopback facility that sends a pseudo random pattern over the data stream Th...

Страница 14: ...nterface see Figure 3 Figure 3 Rear Panel Showing Location of Connectors If your G 703 G 704 network terminates via RJ 48C use the connection diagram Figure 4 following the pinout and signals chart be...

Страница 15: ...t When making the con nection to your DTE device use a straight through cable of the shortest possible length we recommend 6 feet or less When purchasing or constructing an inter face cable please ref...

Страница 16: ...a male IEC 320 power entry connector This power supply connects to the MT335A by means of a barrel jack on the rear panel Many international power cords are available for the uni versal power supply T...

Страница 17: ...nnection on page 16 and verify that the unit is properly connected to the appropriate power source 4 8 LED Status Monitors The MT335A features six front panel LEDs that monitor connections on the G 70...

Страница 18: ...unit does not receive the identical pattern When it receives the correct pattern the LED will turn off If error insertion is on the LED will blink once a second if everything is operating properly TM...

Страница 19: ...ata terminal indicates a fault follow the manu facturer s checkout procedures for the data terminal Also check the inter face cable between the terminal and the MT335A 4 9 32 OPERATING REMOTE DIGITAL...

Страница 20: ...in section Using the V 52 BER Test Pattern Generator or using a separate BER Tester If the BER test indicates a fault and the Local Line Loopback test was successful for both devices you may have a p...

Страница 21: ...indicates no errors are present move the V 52 toggle switch DOWN activating the 511 E test with errors present If the test is working properly the local modem s red ER LED will blink once every secon...

Страница 22: ...703 Unframed or G 704 G 732 Framed A 6 CRC 4 Multiframing Selectable On or Off A 7 Clocking Internal External or Network Receive Recover A 8 Time Slot Rate 64 kbps A 9 Network Data Rates 64 128 192 2...

Страница 23: ...ion Two 8 Position DIP Switches A 12 Power Supply 5 VDC External power supply 100 240 VAC 50 60Hz 0 4A A 13 Humidity Up to 90 non condensing A 14 Temperature 0 to 50 C 32 to 122 F A 15 Dimensions 9 0L...

Страница 24: ...Clear to Send E DSR Data Set Ready F CD Carrier Detect H DTR Data Terminal Ready L LLB Local Line Loop M TM Test Mode N RDL Remote Digital Loop P TD Transmit Data R RD Receive Data S TD Transmit Data...

Страница 25: ...E DTR H F RTS C H DSR E K NC K L NC L P RD A R R TD A P S RD B T T TD B S U RT A V V SCTE A U W RT B X X SCTE B W Y NC Y AA NC AA V 35 TO V 35 STRAIGHT THROUGH CABLE PIN OUT Pin Function A FrameGroun...

Страница 26: ...__________________________________________________ ________________________________________________________________ ________________________________________________________________ ___________________...

Страница 27: ...__________________________________________________ ________________________________________________________________ ________________________________________________________________ ___________________...

Страница 28: ...Copyright 2006 Black Box Corporation All rights reserved 1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 BLACK BOX NETWORK SERVICES...

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