Black Box Laptop ME657A M User Manual

© 2005. All rights reserved.  
Black Box Corporation.  
Black Box Corporation • 1000 Park Drive • Lawrence, PA 15055-1018 • Tech Support: 724-746-5500 • www.blackbox.com e-mail: [email protected]  
MULTI-FUNCTIONLINEDRIVER  
Multi-Function  
Line Driver  
Use this line driver in just about any  
RS-232 UTP or STP application.  
KeyFeatures  
perating asynchronously or  
Osynchronously, the Multi-  
Function Line Driver supports  
data rates up to 38.4 kbps and  
distances up to 6 miles (9.7 km).  
The line driver will operate  
over 4 wires in point-to-point or  
multipoint environments. In  
synchronous mode, the Multi-  
Function Line Driver supports  
internal, external, or receive  
loopback clocking.  
Two V.54 and two V.52 BER  
test modes can be activated via  
the RS-232 interface. Built-in LEDs wire is connected using an RJ-45  
let you monitor test mode  
operation. With transformer  
isolation and surge protection,  
your data is safe.  
The Multi-Function Line Driver  
is designed to plug directly into  
the RS-232 interface. Twisted-pair  
Speeds up to 38.4 kbps.  
Distances up to 6 miles  
(9.7 km).  
Async or sync  
operation, point-to-  
point or multipoint.  
connector or terminal blocks with  
strain relief.  
Transformer isolation  
and surge protection.  
Specifications  
Clocking: Internal, external, receive  
Distance (Maximum): 6 mi. (9.7 km)  
Speed (Maximum): 38.4 kbps  
Line Type: (2) twisted pair  
Connectors: ME657A-M:  
(1) DB25 M, (1) terminal block;  
ME657A-F: (1) DB25 F,  
Ordering Information  
Multi-Function Line Driver  
DB25 Male, Terminal Block............................ME657A-M  
DB25 Female, Terminal Block..........................ME657A-F  
DB25 Female, RJ-45...........................................ME659A-F  
ITEM  
CODE  
(1) terminal block;  
ME659A-F: (1) DB25 F, (1) RJ-45  
Indicators: BERT, Loop  
Operation: 4-wire, full duplex, point-  
to-point, or multipoint  
Power: 6 VDC from the interface,  
Pins 4, 9, 20  
Protocol: Asynchronous or  
synchronous  
Size: 0.8"H x 2.1"W x 3"D (2 x 5.3 x  
7.6 cm)  
Interface: RS-232 (DCE)  
Weight: 0.1 lb. (<0.1 kg)  
5/9/2005  
#13727  
1
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