SENA

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SENA

• One-Stop Solution in Device Networking

Secure Terminal Server, STS Series
March, 2004
March, 2002
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Table of Contents

• Overview
• Functions Features
• Operation modes
• Security
• PC Card support
• Event handling
• Data logging

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Overview (1)

• Linux-based Open platform (kernel 2.4.2)
• Supports 8/16 serial port (RS232)
• 1 PCMCIA slot
• ATA flash memory, LAN/WLAN, PSTN/CDMA Modem
• Flexible host mode mode
• TCP/UDP single/multi-session support
• Primary/Secondary host support
• Powerful Security
• Industry-standard encryption support
• SSL, TLS
• Encryption algorithm support
• 3DES, RC4

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Overview (2)
Connections
Device
Remote Host
Host (STS)
Any device with serial interface

• RS-232

• LAN
• Wireless (802.11b)
• PSTN
• Mobile (CDMA)

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Functions Features

• Operation modes
• Data logging
• Event handling
• Security
• PC Card support

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Operation modes (1)

• Addressing

box IP
STS

• 210.205.197.172 or sts.sena.com

Dynamic DNS
...
Port 1
Port 2
7001
7002
TCP/UDP port

• When access the box
• Telnet 210.205.197.172 or sts.sena.com
• http//210.205.197.172 or sts.sena.com
• When access the serial port
• 210.205.197.172, 7001 or
• sts.sena.com, 7001

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Operation modes (2)

• Various operation modes

Remote host

• TCP/UDP

device
TCP/UDP socket

• modem emulation

Remote host
DTE
TCP socket

• Dial-in/out mode

Remote host
modem
TCP socket
DTE
modem
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Operation mode (3)

• Multiple remote hosts

Up to 16 Remote destinations

• Total 32 connections per serial port
• Total 16 outgoing connections allowed
• If connection to the primary fails, STS tries to
  connect the secondary remote host. (TCP mode)
• Most suitable for multiple remote device
  monitoring application (Bi-directional)

Secondary (back up to the primary)
Primary
Device
Secondary
Primary
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Security

• Serial data encryption
• SSL v2 v3, TLS
• Supports encrypted key file
• Option to authenticate clients using the client's
  certificate in server mode
• Option to configure chain depth
• Option to compare certificate common name with
  host
• 3DES, RC4
• Static Key encryption
• Secured Web interface
• HTTPS
• IP filtering
• serial port based IP filtering
• box based IP filtering
• Secured file uploading
• SCP

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PC Card support
http//www.sena.com/products/by_name/sts/pc_card/
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Event handling

• Event filtering and notification procedure

STS
Device
SNMP trap
reaction
E-mail
data stream
message packaging
filter
(SMS)
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Data logging
Data logging locations
SYSLOG server
Ethernet
NFS server
STS
internal Memory (RAM)
Storage PCMCIA card
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Point of Contact

• Sena Technologies, Inc.
• sales_at_sena.com
• Phone[phone]
• Fax [phone]
• Web Address http//www.sena.com
• 210 Yangjae-dong Seocho-gu
• Seoul 137-130, South Korea