Black Box ME890A-R2 User manual

STEP X - Name of Step

24/7 TECHNICAL SUPPORT AT 877.877.2269 OR VISIT BLACKBOX.COM

ME890A-R2

CATX LINE

DRIVER

QUICK START GUIDE

STEP 1 - Connect the local unit to a DTE device

CONNECT THE DTE DEVICE

Connect the local unit's DB9 female connector

to a PC or Data Terminal Equipment (DTE)

device.

TABLE 1-1. DB9 CONNECTOR PINOUT

DB9 SIGNAL NUMBER DB9 SIGNAL NAME LOCAL DCE REMOTE DTE

1Carrier Detect Asserted high No connection

2Received Data Output Input

3Transmitted Data Input Output

4Data Terminal Ready No connection Asserted high

5Signal Ground RS-232 Ground RS-232 Ground

6 Data Set Ready Asserted high No connection

7 Request To Send Input Output

8Clear To Send Output Input

9Ring Indication No connection No connection

LOCAL UNIT’S

DB9 FEMALE CONNECTOR

STEP 2 - Connect the remote unit to a DCE device

CONNECT THE DCE DEVICE

Connect the remote unit's DB9 male connector

to a Data Communication Equipment (DCE)

device.

REMOTE UNIT’S

DB9 MALE CONNECTOR

NOTES

DCE = Data Carrier Equipment (configured to connect to a PC with a straight-pinned cable)

DTE = Data Terminal Equipment (configured to connect to a DCE device with a straight-pinned cable)

STEP 3 - Connect local and remote units together

CONNECT LOCAL AND REMOTE UNITS

Connect the local and remote units together

with a straight-through CAT5 or CAT6 twisted-

pair cable.

BLOCK DIAGRAM

LOCAL OR REMOTE UNIT’S

RJ-45 FEMALE CONNECTOR

STEP 4 - Power on the line drivers

POWER ON

1.Once all connections are made,

use the supplied 5-VDC power supplies

to power on the line drivers.

2. Apply power to your equipment. LOCAL OR REMOTE UNIT’S

POWER CONNECTOR

TYPICAL APPLICATION

RS-232 SENSOR OR

CONTROLLER

(DCE DEVICE)

5-VDC POWER

SUPPLIES

PC (DTE DEVICE)

LOCAL UNIT

(ME890A-R2)

REMOTE UNIT

(ME890A-R2)

STEP X - Name of Step

COPYRIGHT 2017 BLACK BOX CORPORATION. ALL RIGHTS RESERVED.

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