Black Box ME785A Manual Download Page 14 | Manualshive

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1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746

© Copyright 1994. Black Box Corporation. All rights reserved.

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Summary of Contents for ME785A

Page 1: ...877 877 BBOX outside U S call 724 746 5500 FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mailing address Black Box Corporation 1000 Park Drive Lawrence PA 1...

Page 2: ...n a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be necessary to correct the interference Changes or modifi...

Page 3: ...lavabo s tano mojado o cerca de una alberca etc 6 El aparato el ctrico debe ser usado nicamente con carritos o pedestales que sean recomendados por el fabricante 7 El aparato el ctrico debe ser montad...

Page 4: ...contactos y recept culos donde salen del aparato 14 El equipo el ctrico debe ser limpiado nicamente de acuerdo a las recomendaciones del fabricante 15 En caso de existir una antena externa deber ser l...

Page 5: ...pter Page 1 Specifications 5 2 Description 6 3 Installation 8 3 1 Connection to the Twisted Pair Interface 8 3 2 Twisted Pair Connection RJ 11 or RJ 45 9 3 3 Connection to the Mac Phone Port 10 3 4 Op...

Page 6: ...6 0 km 1200 9 0 mi 14 5 km 6 2 mi 10 0 km 4 3 mi 6 9 km Surge Protection ME785A SP High speed surge protection and transformer isolation Control Signals The single Mac control line Handshake In turns...

Page 7: ...air wires Requiring no power supply the Driver features built in transformer isolation that protects against ground potential differences and AC DC over voltages That makes it safe to link devices bet...

Page 8: ...e of up to nine miles 14 5 km Supports speeds up to 19 2 kbps full duplex No AC power or batteries required Small size fits in tight locations Includes RJ 11 and RJ 45 connectors Compatible with Mini...

Page 9: ...o requirements for installation 1 These units work in pairs You must have on Driver at each end of a 4 wire telephone cable 2 To function properly the Driver s modular jacks must be connected to two t...

Page 10: ...dard AT T wiring environment see Figure 1 The table that follows describes signal pin relationships Figure 1 AT T standard modular color codes RJ 11 Signal RJ 45 Signal 1 GND 1 N C 2 RCV 2 GND 3 XMT 3...

Page 11: ...Signal Pin Color Color Pin Signal GND 1 Blue White 6 GND RCV 2 Yellow Red 4 XMT XMT 3 Green Black 5 RCV XMT 4 Red Yellow 2 RCV RCV 5 Black Green 3 XMT GND 6 White Blue 1 GND Connection to ground is op...

Page 12: ...Operating the Driver Once you ve installed the Driver it should operate transparently as if it were a standard cable connection Operating power comes from the Macintosh computer s data and control sig...

Page 13: ...SIGNAL CLAMPED TO 1 VOLT PK PK GND V INVERTING AMPLIFIER SCHMITT TRIGER ACTIVE FILTERS 2 STAGES RCV RCV TRANSFORMER ISOLATION TRANSIENT SUPPRESSION RD GND HSK o HSK1 2 6 3 4 V V 6 6 SURGE PROTECTED MO...

Page 14: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 1994 Black Box Corporation All rights reserved...

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