Black Box IC235A Bedienungsanleitung

CUSTOMER

SUPPORT

INFORMATION

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Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018

Web site: www.blackbox.com • E-mail: [email protected]

DECEMBER 1999

IC235A

IC235AE

IC236A

IC236AE

RS-232↔MIL Std. Interface Converter

RS232↔MIL STD

POWER

TD RTS ST RT CTS RD

TRADEMARKS

TRADEMARKS USED IN THIS MANUAL

UL is a registered trademark of Underwriters Laboratories Incorporated.

Product names mentioned in this manual may be trademarks or registered

trademarks of their respective companies and are hereby acknowledged.

Chapter Page

1. Specifications ................................................................................................5

2. Introduction..................................................................................................7

2.1 Description..............................................................................................7

2.2 Applications ............................................................................................7

3. Installation ..................................................................................................10

3.1 Installing the Converter ......................................................................11

3.2 Setting the RS-232 Interface ................................................................12

3.3 Setting the Interface Converter for MIL 188/114 Mode ..................13

3.4 Setting the Interface Converter for MIL 188C Mode ........................14

3.5 Tying Together Frame and Signal Ground ........................................14

4. Status Indicators..........................................................................................15

5. Troubleshooting ........................................................................................17

Appendix A: Signal Flow Diagrams..................................................................20

Appendix B: The Interfaces ............................................................................28

Contents

CHAPTER 1: Specifications

Connectors — RS-232 Interface: DB25 female;

MIL Std. Interface: DB25 female (pinned

in accordance with EIA standard RS-530,

which specifies a high-speed interface)

Data Rates— Speed transparent to a maximum of

64 Kbps

Interface — EIA Interface: RS-232C/V.24; used for async

or sync, depending on the model. Cannot

be configured by the user.

MIL Std. Interface: RS-530; the same for

both models. Cannot be configured by the

user.

Electrical Settings: MIL 188/114 or

MIL 188C. Configured by the user. Either

sync or async, depending on the model.

Operation — IC235A: Async; IC236A: Sync

Leads Supported — MIL 188C: Async: 1, 2, 3, 4, 5, 6, 7, 8, 20, 24;

Sync: 1, 2, 3, 4, 5, 6, 7, 8, 15, 17, 20, 24;

MIL 188/114: Async: 1, 2, 3, 4, 5, 6, 7, 8, 10,

11, 13, 14, 16, 19, 20, 22, 23, 24; Sync: 1, 2, 3,

4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,

19, 20, 22, 23, 24

Operating Temperature — 32 to 104°F (0 to 40°C)

Storage Temperature — 32 to 158°F (0 to 70°C)

Max. Altitude Tolerance — 15,000 feet (4572 m)

1. Specifications

Humidity Tolerance — Up to 90%, noncondensing

Power Supply — Regulated wall-mount transformer, UL®

and CSA approved, +5 VDC, 12 VDC;

PS055: Primary: 104 to 125 VAC, 60 Hz,

10%; Secondary: +5 VDC @ 860 mA, 22 watts,

±12 VDC @ 300 mA; PS055E: Primary: 230

VAC, 50 Hz; Secondary: +5 VDC, 5 amps

Size — 2.5"H x 8"W x 6.25"D (6.4 x 20.3 x 16 cm)

Weight — With power supply, 3 lb. (1.4 kg)

A DB37 female connector may be specified as an option for the MIL 188

interface. Contact Black Box in order to request this option.

CHAPTER 2: Introduction

2.1 Description

The RS-232↔MIL Standard Interface Converter is a bi-directional converter

enabling you to connect RS-232 equipment to MIL 188/114 or 188C

equipment. The Converter is available in synchronous and asynchronous

models. The MIL Standard interface is pinned to the RS-530 mechanical

specs. The user is given the choice of configuring for balanced or unbalanced

operation. The converter is powered by a 115-VAC wall-mounted power

supply included with the unit. (A 230-VAC version is available upon request.)

2.2 Applications

Figures 2-1 through 2-4 are included as examples of typical applications for

this interface converter. Use them to help you decide how to best use this

product.

Figure 2-1. Standard Applications.

RS232 Host

RS232 MIL 188 MIL Standard

(DCE) (DTE) Modem

(DCE)

(DTE)

Computer

Terminal

(DTE)

RS232 RS232 MIL 188

(DTE) (DCE)

Modem

(DCE)

MIL Standard

2. Introduction

Figure 2-2. MIL 188 Async Applications Showing Pinning.

Note: Grounding is optional for the MIL 188/114 interface.

Figure 2-3. MIL 188/114 (Balanced)

Sync Application Showing Pinning.

(DTE)

RS-232

Synchronous

Terminal

RS-232 MIL 188/114

(DCE) (DTE) (DCE)

MIL 188/114

Modem

TDA

TDB

RDA

RDB

TCA

TCB

RCA

RCB

RS-232

RS-232 MIL 188/114

Any MIL 188/114

DCE Device

(DCE) (DTE)

(DTE)

RDA(-)

RDB(+)

TDA(-)

TDB(+)

Ground

Optional

for Balanced

2-2

3-3

7-7

Cable Pinout

RS-232

RS-232 MIL 188C

Any MIL 188C

DCE Device

(DCE) (DTE)

(DTE)

3 (RD)

2 (TD)

7 (SG)

2-2

3-3

7-7

Cable Pinout

CHAPTER 2: Introduction

Figure 2-4. MIL 188C (Unbalanced) Sync Application Showing Pinning.

RS-232 MIL 188C

MIL 188C

Synchronous

Multiplexor

(DCE) (DTE)

(DTE)

RS-232

Synchronous

Terminal

(DCE)

(TD) 2

(RD) 3

(SG) 7

(TC) 15

(RC) 17

Figure 3-1 shows the location of components on the interface converter’s

circuit board. These components are described later in this chapter.

Figure 3-1. The Circuit Board.

J1A J2J1B

GND

POWER MIL 188 RS232

TD RTS ST POWER RT CTS RD

JP1

W2C W3C W4C W5C W6C

W2 W3 W4 W5 W6

DCE DTE

DTE DCE

MIL 188/114 MIL 188C

DTE DCE

DCE

DTE

DCE

DTE

DCE

DTE

DCE

DTE

DCE

DTE

DCE

DTE

DCE

DTE

DCE

DTE

DCE

DTE

DCE

DTE

3. Installation

CHAPTER 3: Installation

3.1 Installing the Converter

Before attempting to install the interface, read these steps.

1. Make sure the package came with everything that should be included.

You should have received the RS-232↔MIL Standard Interface

Converter, this manual, and the wall-mounted power supply (either

115 or 230 VAC).

2. Open the interface converter case by removing the two screws

on the bottom of the unit with a Phillips-head screwdriver.

3. Set the jumpers and DIP shunts for your application according to the

directions found in Sections 3.2 through 3.5. See Figure 3-1 for the

location of these components.

4. Replace the top of the interface converter and secure it in place with the

two screws.

5. Attach the cable from the MIL Standard device to the MIL 188 connector

on the rear of the unit.

6. Attach the cable from the RS-232 device to the RS-232 connector on the

rear of the unit.

7. Plug the 5-pin adapter of the wall-mounted power supply into the power

connector on the rear of the unit. Then plug the three-prong connector

into a wall outlet. The unit is now ready for use.

Jumpers W6 and W6C need to be set only for synchronous operation of the

converter. They play no part in asynchronous communications.

Positions for jumpers and shunts are labeled “DCE” and “DTE” on the PC

board.

For proper operation of the interface converter, the status of the RS-232 and

MIL 188 sides of the converter must be opposite each other. For example, if

the RS-232 side is set to DCE, the MIL 188 side must be set to DTE.

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