Black Box ME800A-PLUS-R2 User manual

1
Drive data up to
4 miles (6.4 km) at
2.4 kbps!
Supports speeds up to
115.2 kbps.
Versatile and
powerful.
xternal DT /DC and
flow control switches.
Screw-terminal and
RJ-11 connectors
included.
DB9-to-DB25 cable
and adapter included.
Lightweight and
compact.
Quick-connect power
supply.
B
reak the RS-232 distance
barrier with the Async Short-
Haul Modem-B Plus. Dri e data
up to 4 miles (6.4 km)!
Perfect for a ariety of
applications, including office,
industry, and data center, the
short-haul modem gi es you
speed, ersatility, and power.
The short-haul modem
supports speeds up to 115.2 kbps
for fast data transfer.
TD
RD
NORMAL
LOOPBACK
Break the RS-232 distance barrier—
drive data up to 4 miles (6.4 km)
KeyFeatures
ASYNCSHORT-HAULMODEM-BPLUS
And it’s compact and easy to
install. You ne er ha e to open the
case, thanks to external DTE/DCE
and flow-control switches.
It works with your equipment’s
interfaces, too. Use either a
screw terminal or an RJ-11
connector to attach twisted-pair
cable to the short-haul modem.
And we’ e also included your
choice of serial-interface
connectors—either DB25 or
DB9—plus a DB9-to-DB25 cable
that you can use for either
interface with the included DB9-
to-DB25 adapter.
The short-haul modem comes
with a quick-connect 115-VAC
wallmount power supply for easy
power connections.
Typical distances o er
24 AWG shielded twisted pair
are gi en in the chart on the next
page.
Black Box Corporation • 1000 Park Dri e • Lawrence, PA 15055-1018 • Tech Support: 724-746-5500 • www.blackbox.com • e-mail: [email protected]
© 2004. All rights reser ed.
Black Box Corporation.
11/8/2004 #21157
Maximum Distance: 4 miles (6.4 km)
Operation: 4-wire, full-duplex
Speed: Up to 115.2 kbps
User Controls: (1) Normal/Loopback
button
Interface: RS-232
Connectors: (1) DB25 female,
(1) RJ-11 female, (1) 4-screw
terminal block
Indicators: (2) LEDs: (1) TD, (1) RD
Power: 115 VAC, 60 Hz ±10%
(wallmount), 5 watts
Size: 1.5"H x 5.2"W x 5.2"D (3.8 x
13.2 x 13.2 cm)
Specifications
• Async Short-Haul Modem-B
Plus
• (1) 6-ft. (1.8-m) DB9 female
to DB25 male cable
• (1) Adapter (serial) (DB9
male to DB25 female)
• User’s manual
What’sIncluded

2
Ordering Information
ITEM CODE
Async Short-Haul Modem-B Plus .......ME800A-PLUS-R2
Remember to order cable…
Bulk Category 5 Solid-Conductor Cable,
2-Pair, PVC, Custom Lengths..................................EYN717A
W
ith the Async Short-Haul
Modem-B Plus, you can get
distances of up to 4 miles
(6.4 km). Of course, maximum
distances depend on the wire
gauge of the twisted-pair cable
you’re using and the data rate of
your connection. Typical speeds
that you can achie e using
24 AWG cable are shown for
arious speeds in Table 1 below.
TechnicallySpeaking
TD
RD
NORMAL
LOOPBACK
TD
RD
NORMAL
LOOPBACK
TD
RD
NORMAL
LOOPBACK
TD
RD
NORMAL
LOOPBACK
TD
RD
NORMAL
LOOPBACK
TD
RD
NORMAL
LOOPBACK
Speedy, convenient, and versatile, this
short-haul modem’s perfect for office,
industry, or data-center applications.
See the diagrams at right.
Table 1. Speed/distances for 24-AWG cable.
Figure 1. Office application.
Figure 2. Industry application.
Figure 3. Data-center application.
NOTE: The speeds and
distances described in Table 1
are based on using 24 AWG
unshielded twisted-pair cable.
Actual distances may ary.
The short-haul modem also
features an impro ed power-
supply jack for easy plug-in, and
built-in optical isolation for extra
safety.
ME800A-PLUS-R2
Async Short-Haul
Modem-B Plus
(ME800A-PLUS-R2)
Async Short-Haul
Modem-B Plus
(ME800A-PLUS-R2)
Async Short-Haul
Modem-B Plus
(ME800A-PLUS-R2)
(ME800A-PLUS-R2)
ME800A-PLUS-R2 PC (up to
115.2 kbps)
PC (up to
115.2 kbps)
Async
minicomputer
RS-232
cable
Call center
EYN717A
EYN717A
EYN717A
RS-232 cable
RS-232
cable
RS-232
cable
Truck scale
PBX Super isor’s terminal
(up to 115.2 kbps)