Table of Contents
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Summary of Contents for Patton electronics 2021P
- Page 1 Doc#: 172001UA Part#: 07M2021P-A , V.24 X.21 NTERFACE ONVERTER 2021P (CTS IC-V.24/X.21) NSTALLATION AND PERATIONS ANUAL February 21, 2000 An ISO-9001 Copyright© 2000 Patton Electronics Co., All Rights Reserved Certified Company...
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Page 2: Table Of Contents
172001UA Table of Contents CHAPTER 1 - Operation CHAPTER 2 - SETUP AND INSTALLATION Installation ..................2-1 Selection of DTE/DCE ..............2-1 Equipment Grounding ..............2-3 LED Indicators ................2-3 Factory Test Straps ..............2-3 APPENDIX TECHNICAL SPECIFICATIONS ..........A-1 X.21 Interface Pins Supported ........... -
Page 3: Radio And Tv Interference
172001UA PROPRIETARY NOTICE The information contained herein is proprietary and confidential to Patton Electronics Co. Any reproduction or redistribution of this publication, in whole or in part, is expressly prohibited unless written authorization is given by Patton Electronics Co. SERVICE All warranty and non-warranty repairs must be returned freight prepaid and insured to Patton Electronics. -
Page 4: Chapter 1 - Operation
172001UA CHAPTER 1 - Operation The Patton 2021P (CTS TCB-V.24/X.21) is an EIA RS-232 to CCITT X.21 interface converter with a built in tail circuit buffer, allowing modem to modem interconnection. The interface converter operates bi-directionally. DCE / DTE selection of each port permits interfacing an RS-232 terminal or modem to an X.21 terminal or modem. -
Page 5: Chapter 2 - Setup And Installation
172001UA Note: Hazardous voltages are present when the equipment cover is removed. Installation and setup shall be performed by qualified service personnel only. CHAPTER 2 - SETUP AND INSTALLATION Installation Set the switches to match the required configurations based on the diagrams below. - Page 6 172001UA slaved to this clock. To connect a X.21 terminal type device (DTE) to an RS-232 Modem type device (DCE), connect the terminal to J2 and the Modem to J1. Move SW1 and SW2 to the DTE position, and SW3, SW4 and SW5 to the DCE position, as shown in Fig.2.
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Page 7: Equipment Grounding
172001UA V.24 INTERFACE J1 (RS-232) Is a DTE, and Power DTR /RTS MUST Connect to a Modem (DCE) RS-232 DCD / CTS J2 (X.21) Is a DTE, and MUST Connect to a Modem (DCE) X.21 Signal Chassis Ground Factory Test Straps Must be Installed for Unit To Operate Correctly X.21 INTERFACE... -
Page 8: Appendix
172001UA APPENDIX TECHNICAL SPECIFICATIONS Applications RS-232 to CCITT X.21 interface conversion Front Panel Indicators: ... Power, Transmit Capacity Data, Receive Data, One RS-232 Channel Control, Indicate, One CCITT X.21 Channel Signal Timing Buffer Power Requirements Bidirectional 8-bit ring buffer 110/220VAC, 50/ 60Hz, 0.16/ Data Format .08A, switch selectable Power Transparent to Data... -
Page 9: Interface Pins Supported
172001UA Shield (common) Transmit(B) (from DTE) Transmit(A) (from DTE) Control(B) (from DTE) Control(A) (from DTE) Receive(B) (from DCE) Receive(A) (from DCE) Indication(B) (from DCE) Indication(A) (from DCE) Signal Timing(B) (from DCE) Signal Timing(A) (from DCE) GND (common) X.21 Interface Pins Supported Shield (common) Transmit Clock (from DCE) Transmit Data (from DTE) - Page 10 7622 Rickenbacker Drive Gaithersburg, MD 20879 301 975-1000 301 975-1007 Sales: Support: Web Address: http://www.patton.com...