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JULY 1997

MC124A

Tail-Circuit Adapter (TCA-232)

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:

Содержание TCA-232

Страница 1: ...l 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...

Страница 2: ...3 TCA 232 TRADEMARKS All applied for and registered trademarks are the property of their respective owners...

Страница 3: ...4 TCA 232 CONTENTS 1 Specifications 5 2 Introduction 6 2 1 Description 6 2 2 Features 6 3 Installation 7 4 Application 8...

Страница 4: ...tomatic centering Connectors 2 DB25 female DCE to DTE Connection The TCA 232 provides cross pinning function Temperature 32 to 140 F 0 to 60 C Humidity Up to 95 noncondensing Power No AC power require...

Страница 5: ...n 17 which is also provided to the modem external clock pin 24 Data received from the remote terminal is loaded into the buffer using the mux transmit clock pin 15 Since the TCA 232 performs all neces...

Страница 6: ...ed SYSTEM J1 to the multiplexor sub channel or the main modem 2 Connect the side of the TCA 232 labeled TAIL J2 to the local modem The local modem should be strapped to external clock NOTE The remote...

Страница 7: ...ion of a multiplexor channel using modems in a tail circuit see Figure 4 1 When the distance between the two tail modems is significant there is a difference in phase between the multiplexor s transmi...

Страница 8: ...9 TCA 232 Figure 4 1 Typical Application Mux TCA Terminal Modem External Clock Modem Clock Loopback...

Страница 9: ...w BUFFER TCA SYSTEM J1 TAIL J2 15 TC 15 2 TD 2 4 RTS 4 17 RC 17 3 RD 3 8 DCD 8 6 DSR 6 20 DTR 20 5 CTS 5 1 PG 1 7 SG 7 17 RC 3 RD 8 DCD 15 TC 2 TD 4 RTS 20 DTR 6 DSR 1 PG 7 SG 17 3 8 15 2 4 20 6 1 7 2...