1
Extensive protocol
support and
configuration options.
Create hard-wired or
wireless links.
Conserves host ports.
Flash ROM support for
easy upgrades.
Lightweight, simple
design fits easily into
most networks.
Full modem controls.
Speeds up to 230 kbps.
Network interface
supports 10- or
100-Mbps speeds.
Secure models
available.
T
he 10/100 Serial Server
(LES2700A-100-R3) is a great
way to add serial devices to your
mixed Ethernet networks. It
enables you to add wired or
wireless devices to your network
without sacrificing host ports or
taking up valuable space.
The Serial Server provides
a wide range of protocol and
management support. It supports
TCP/IP, which includes Telnet™ ,
Rlogin, UDP (User Datagram
Protocol), and DSN (Domain
Name Servers). It also supports
IPX/IP (NetWare) for downloading
system files and LAT™ (Local
Area Transport) for digital system
support.
The server can be used with
applications on UNIX
®
, Windows
NT
®
, OS/2®, or LAT platforms
through a TCP/IP or SPX socket
interface. On any platform, the
host operates with the Serial
Link wired or wireless serial devices
to your Ethernet network.
Key Features
SERIAL SERVERS
Server as a directly attached
device, enabling, among other
applications, emulation of a direct
serial connection.
The Serial Server is also
supported with command
interfaces that enable you to
configure each unit, connect to
remote services, manipulate
connections, or receive feedback.
These general command
parameters are supported by an
extensive set of status display
commands that enable you to
manage almost every aspect of
the device’s function. They
include the following:
• Show Host List: Used for
multiple host connections;
numbered 1 to 8.
• Show IPsecurity: Shows
current security tables and
restrictions per address.
• Show NetWare: Displays
information related to IP/SPX
connections.
• Show Ports: Indicates status
and configuration of the
serial port.
• Show Server Characteristics:
Displays network-related
server information.
• Show Services: Shows
characteristics of LAT
services offered on the
network.
• Show Sessions: Used to
show active port, user, and
session type.
• Show Users: This command
displays the name, port
number, and connection
status of all current users.
If you only need 10-Mbps
Ethernet connections, choose our
10-Mbps Serial Server (LES2700A-
10). It’s compact, so it fits virtually
anywhere. Like the 10/100 Serial
Server, this basic server works
with a wide variety of protocols
and supports serial printers. And
Web management software is
Black Box Corporation • 1000 Park Drive • Lawrence, PA 15055-1018 • Tech Support: 724-746-5500 • www.blackbox.com • e-mail: info@blackbox.com
© 2004. All rights reserved.
Black Box Corporation.
10/7/2004 #24947
2
Serial device
10/100 Serial Server
(LES2700A-100-R3) or
10-Mbps Serial Server
(LES2700A-10)
10BASE-T
Ethernet
LES2700A-100-R3 or LES2700A-10 links a serial device to a 10BASE-T network.
LES2700A-SSS connects serial devices across the Internet.
included. The only difference is
that it operates over 10-Mbps
Ethernet instead of 10-/100-Mbps
Ethernet.
If you’re concerned about
security, order one of our Secure
Serial Servers. Available in 1- and
2-Port models (LES2700A-SSS or
LES2702A-SSS), they provide 128and 156-bit Advanced Encryption
Standard (AES) to keep your
network secure. They also feature
serial tunneling: this enables two
terminal servers to connect
across a LAN or WAN via direct
IP addresses.
The Secure Serial Servers
also have all the features of the
10-Mbps Serial Server and the
10/100 Serial Server, such as
common serial protocol
compatibility, Web-based
management software, and FlashROM upgrading.
PC
Secure Serial
Server, 1-Port
(LES2700A-SSS)
Secure Serial
Server, 1-Port
(LES2700A-SSS)
Router
Router
Server
Internet
3
Ordering Information
ITEM CODE
10/100 Serial Server..................................LES2700A-100-R3
10-Mbps Serial Server......................................LES2700A-10
Secure Serial Servers
1-Port ............................................................LES2700A-SSS
2-Port ............................................................LES2702A-SSS
Approvals: FCC, UL®, TUV, CE
Hardware Requirements:
LES2700A-10, LES2700A-SSS,
LES2702A-SSS: Processor:
Pentium
®
III or higher;
Memory: 68 MB minimum;
Resolution: 600 x 800 or higher
Management: LES2700A-100-R3:
DHCP, HTTP, SNMP, Telnet,
LAT;
LES2700A-10, LES2700A-SSS,
LES2702A-SSS: DHCP, HTTP,
SNMP, Telnet, DB25 F serial
console port
Operating Systems Supported:
LES2700A-10, LES2700A-SSS,
LES2702A-SSS: Windows
®
98/XP,
Windows 2000
Protocols: LES2700A-100-R3: IPX™,
LAT, TCP/IP;
LES2700A-10, LES2700A-SSS,
LES2702A-SSS: ARP, DHCP,
HTTP, ICMP, SNMP, TCP/IP,
Telnet, TFTP, UDP
Security: LES2700A-SSS,
LES2702A-SSS: 128- and 156-bit
AES certified data encryption
Compatibility: Ethernet: IEEE 802.3,
IEEE 802.3u
Data Rates: Up to 230 kbps
Serial Line Formats:
LES2700A-100-R3:
Characters: 7 or 8 data bits;
Stop bits: 1 or 2;
Parity: Odd, even, mark space,
or none
Device Support: LES2700A-100-R3:
Any RS-422/RS-232 device
Modem Control: LES2700A-100-R3:
DSR/DTR and RTS/CTS
Flow Control: X-ON/X-OFF,
hardware flow control
Software: Flash ROM standard:
downloadable from TCP/IP host
(TFTP download), DECnet™ host
(MOP download), or NetWare
®
file server
Upgrades: Flash ROM standard
TFTP downloads
Interface: LES2700A-100-R3:
Serial: RS-232/422 (DTE);
Network: (1) 10/100BASE-TX
Connectors: All: (1) RJ-45 10/100
Mbps;
LES2700A-100-R3, LES2700A-SSS:
(1) DB25 male serial;
LES2700A-10: (1) DB25 female
serial;
LES2702A-SSS: (1) DB9 male
serial
Indicators: LES2700A-100-R3:
(5) LEDs: Power, Link, 100,
Serial, OK;
LES2700A-10: (5) LEDs: Link,
Net TX/RX, Collision,
Diagnostic, Status;
LES2700A-SSS: (5) LEDs: Power,
10 MB Link/Activity, 100 MB
Link/Activity, Diagnostic,
Status Channel 1;
LES2702A-SSS: (6) LEDs: Power,
10 MB Link/Activity, 100 MB
Link/Activity, Diagnostic,
Status Channel 1, Status
Channel 2
Temperature Tolerance: Operating:
41 to 122°F (5 to 50°C);
Storage:-40 to +151°F (-40 to
+66°C)
Humidity: Up to 90%,
noncondensing
Power: LES2700A-100-R3:
110–220-VAC,
50–60-Hz autosensing
external power supply;
LES2700A-10, LES2700A-SSS,
LES2702A-SSS: 100–240-VAC,
47–63-Hz, autosensing,
external
Size: LES2700A-100-R3,
LES2700A-10, LES2700A-SSS:
0.9"H x 2.5"W x 3.5"D (2.3 x 6.4 x
8.9 cm);
LES2702A-SSS: 2.3"H x 7.3"W x
9.5"D (5.8 x 18.5 x 24.1 cm)
Weight: LES2700A-100-R3,
LES2700A-10, LES2700A-SSS:
0.8 lb. (0.4 kg);
LES2702A-SSS: 1 lb. (0.5 kg)
Specifications
• RS-232 Unshielded Cables, (NEC®CL2), 25-Conductor (ECM25C)
• GigaBase
®
350 CAT5e Patch Cable, 350-MHz, 4-Pair, Straight-
Pinned, PVC, Beige (EVNSL85)
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