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Patton electronics 1025 User Manual

Patton electronics user manual synchronous short range modem with clocking options 1025, 1025s
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USER
MANUAL
MODEL 1025
and 1025S
Synchronous Short
Range Modem with

Clocking Options

Part #07M1025-C
Doc. #041012UC
Revised 4/20/98
C E R T I F I E D
An ISO-9001
Certified Company
SALES OFFICE
(301) 975-1000
TECHNICAL SUPPORT
(301) 975-1007
http://www.patton.com

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Summary of Contents for Patton electronics 1025

  • Page 1: Clocking Options

    USER MANUAL MODEL 1025 and 1025S Synchronous Short Range Modem with Clocking Options SALES OFFICE Part #07M1025-C Doc. #041012UC (301) 975-1000 Revised 4/20/98 TECHNICAL SUPPORT C E R T I F I E D (301) 975-1007 An ISO-9001 http://www.patton.com Certified Company...

  • Page 2: Warranty Information

    However, there is no guarantee that interfer- ence will not occur in a particular installation. If the Model 1025 does cause interference to radio or television reception, which can be deter-...

  • Page 3: General Information

    Providing full duplex transmission over two twisted pair, the Model 1025 accommodates seven switch selectable data rates from 1200 to 19,200 bps. The Model 1025’s custom VLSI chip uses a separate filter for each data rate, rather than a single “compromise” filter.

  • Page 4: Switch Settings

    Switch 3: RTS/CTS Delay After request to send (RTS) is raised by the host terminal, the Model 1025 raises CTS after a delay in order to give the remote termi- nal time to receive an incoming signal. Depending on the type of envi- ronment, either a 7mS or 53mS delay can be selected.

  • Page 5: Installation

    4.1.2 TWISTED PAIR CONNECTION USING TERMINAL BLOCKS If your application requires you to connect two pairs of bare wires to the Model 1025, you will need to open the case to access the termi- SIGNAL nal blocks. The instructions on the following pages will tell you how to open the case, connect the bare wires to the terminal blocks, and fas- ten the strain relief collar in place so that the wires won’t pull loose.
  • Page 6 Connect the other pair of wires to the two RCV (receive) poles on the terminal block. The Model 1025 is not polarity sensi- tive, so either wire may connect to either pole.

  • Page 7: Connection To A "Dte" Device

    The Model 1025 is wired as a DCE, and therefore wants to plug into a DTE such as a terminal, PC or host. Because the Model 1025 is interface powered, a direct connection to the RS-232 DTE port is most desirable.

  • Page 8: Connection To A "Dce" Device

    4.2.2 CONNECTION TO A “DCE” DEVICE Since the Model 1025 is wired as a DCE, you cannot connect it directly to another DCE such as a modem, multiplexer or printer. If you need to connect the Model 1025 to another DCE device, you must use a null modem cable wired according to diagram below.
  • Page 9 6- (DSR) Data Set Ready 7- (SG) Signal Ground To Model 1025 Data Term. Ready (DTR) - 20 8- (DCD) Data Carrier Detect From Model 1025 To Model 1025 Transmitting Timing (LXC) - 24 Copyright © 1998 Patton Electronics Company All Rights Reserved @Î...

This manual is also suitable for:

1025s

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