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Black Box G.703 NTU w/V35, Manual

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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 NTU 

w/V35

G.703 NTU w/V35

TM

RD

TD

E1 Link

 

MARCH 2006

MT331A

Summary of Contents for G.703 NTU w/V35

Page 1: ...X 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 inf...

Page 2: ...d 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 from s...

Page 3: ...ebe 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 Se...

Page 4: ...camente 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 de...

Page 5: ...3 3 SW1 2 Local loop inactive default 10 2 3 4 SW1 6 and SW1 7 clock modes 10 2 3 5 SW1 8 Enable disable loop tests from DTE 11 3 Installation 12 3 4 Connecting the twisted pair 120 Ohm to the G 703 n...

Page 6: ...Local loopback diagnostics Internal External and G 703 network timing CE approval 100 240VAC Conforms to ONP requirements CTR 12 for connection to international Tele com networks 1 2 Description The...

Page 7: ...nfiguration for a wide range of applications The switch is accessed from the underside of the MT331A Figure 1 shows the location of the DIP switch on the bottom of the printed circuit board Figure 1 U...

Page 8: ...application HDB3 should be used whenever possible AMI Alternate Mark Inversion defines a pulse as a mark a binary one as opposed to a zero In an E1 network connection signals are transmitted as a seq...

Page 9: ...for internal external or receive recover clock mode 2 3 14 SW1 8 ENABLE DISABLE LOOP TESTS FROM DTE Use switch SW1 8 to allow MT331A to enter loopback tests when the DTE raises the appropriate loop r...

Page 10: ...ipped with a single RJ 48C jack for connections to a 120 Ohm twisted pair G 703 network interface Use Figure 4 below to connect the 120 Ohm G 703 network channel Figure 4 G 703 120 Ohm connection 3 5...

Page 11: ...ble when connecting to a modem multiplexer or other DCE device This cable should be of the shortest possible length we recommend 6 feet or less 3 6 Power connection 3 6 17 UNIVERSAL AC POWER 100 240VA...

Page 12: ...at monitor connections on the G 703 and signaling error and test modes Figure 5 shows the front panel loca tion of each LED Descriptions of each LED follow Figure 5 Figure 5 MT331A Front panel E1 Link...

Page 13: ...characters typed on the keyboard of a terminal will appear on the terminal screen Figure 6 Local Loopback for a network termination application To perform a LL test follow these steps 1 Activate LL T...

Page 14: ...MI or HDB3 Line Framing G 703 Unframed Clocking Internal or Network Receive Recover Distance Maximum 1 8 km 6 000 ft on 24 AWG Cable Configuration One 8 Position DIP Switches Power Supply 5VDC Externa...

Page 15: ...equest to Send S TD Transmit Data B D CTS Clear to Send T RD Receive Data B E DSR Data Set Ready U XTC External Transmit Clock F CD Carrier Detect V RC Receive Timing H DTR Data Terminal Ready W XTC E...

Page 16: ...Pin A Frame Ground A Frame Ground A B Signal Ground B Signal Ground B C RTS C DCD F D NC D NC D E DSR E DTR H F DCD F RTS C H DTR H DSR E K NC K NC K L NC L NC L P TD A P RD A R R RD A R TD A P S TD...

Page 17: ..._______________________________________________ ________________________________________________________________ ________________________________________________________________ ______________________...

Page 18: ...G 703 NTU W V35 18...

Page 19: ...G 703 NTU W V35 19...

Page 20: ...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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