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2-CHANNEL ASYNC TDM

• Easy to install and configure

• Miniature and lightweight

2.2  Typical Application

Figure 2-1 shows a typical application of the 
2-Channel Async TDM.

Figure 2-1.  Typical Application.

Async Terminals

Async Modem

Async Modem

Computer

MX625A

MX625A

Summary of Contents for MX625A

Page 1: ...ee in the U S Call 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...

Page 2: ...is operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever me...

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: ...os 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 se...

Page 5: ...4 2 CHANNEL ASYNC TDM TRADEMARKS USED IN THIS MANUAL Any trademarks mentioned in this manual are acknowledged to be the property of the trademark owners...

Page 6: ...5 2 CHANNEL ASYNC TDM Contents Chapter Page 1 Specifications 6 2 Introduction 10 2 1 Features 10 2 2 Typical Application 11 3 Installation 12...

Page 7: ...0 bps for main channel up to 9600 bps for sub channels see Table 1 1 for data rate selection Number of Data Bits 5 6 7 or 8 Stop Bits 1 or 2 Parity Even odd or no parity 2 stop bits are required for n...

Page 8: ...7 2 CHANNEL ASYNC TDM Power No AC power required uses ultra low power derived from the data and control signals Size 1 2 H x 4 4 W x 7 3 D 3 2 x 11 4 x 18 9 cm Weight 10 oz 285 g...

Page 9: ...y Selects parity for SW1 Ch 1 SW1 each channel SW2 Ch 2 SW2 OFF ODD ODD ON EVEN Stop Bit Selects number SW3 Ch 1 SW3 of stop bits for SW4 Ch 2 SW4 each channel OFF 1 stop bit 1 stop bit ON 2 stop bits...

Page 10: ...9 2 CHANNEL ASYNC TDM NOTE When using no parity 2 stop bits are necessary...

Page 11: ...ce that rate up to 19200 bps The 2 Channel Async TDM is compatible with async character formats using 5 6 7 or 8 data bits Both sub channels must use the same number of data bits and the same total nu...

Page 12: ...install and configure Miniature and lightweight 2 2 Typical Application Figure 2 1 shows a typical application of the 2 Channel Async TDM Figure 2 1 Typical Application Async Terminals Async Modem Asy...

Page 13: ...tion for individual straps is printed on the PCB of the TDM 1 Determine the data rate which should be the same for both channels and strap DATA RATE to the speed appropriate for your equipment The set...

Page 14: ...TA BITS SW7 and SW8 to the appropriate position Use one selection for both channels 6 Refasten the cover Connect each sub channel to your units by using straight through cables and connect the main ch...

Page 15: ...V 24 RS 232 Pin No Pin No Signal TDM Terminal PG 1 1 Optional TD 2 2 RD 3 3 RTS 4 4 CTS 5 5 Optional DSR 6 6 Optional SG 7 7 DCD 8 8 Optional DTR 20 20 NOTE Wires marked as Optional may be omitted unl...

Page 16: ...15 NOTES...

Page 17: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 1997 Black Box Corporation All rights reserved...

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