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.