March, 2002 SENA March, 2004 Secure Terminal Server, STS Series One-Stop Solution in Device Networking

Table of Contents Overview Functions & Features –Operation modes –Security –PC Card support –Event handling –Data logging

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

Overview (2) Remote HostHost (STS) Device LAN Wireless (802.11b) PSTN Mobile (CDMA) RS-232 Any device with serial interface Connections

Functions & Features 1.Operation modes 2.Data logging 3.Event handling 4.Security 5.PC Card support

Addressing or sts.sena.com STS Port # box IP Dynamic DNS TCP/UDP port When access the box Telnet or sts.sena.com or sts.sena.comhttp:// When access the serial port , 7001 or sts.sena.com, 7001 Port # Operation modes (1)

Operation modes (2) Various operation modes TCP/UDP device Remote host modem emulation modem DTE TCP/UDP socket Remote host TCP socket DTEmodem Remote host TCP socket Dial-in/out mode

Operation mode (3) Multiple remote hosts Secondary (back up to the primary) Primary Up to 16 Remote destinations Secondary Primary 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) Device

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

CategoryManuf.ModelName in STSSpec. Ethernet3Com3CXE589ET-AP3Com Megahertz 589E TP/BNC LAN PC Card 10Mbps LAN card LinkSysEtherFast PCM10LinkSys EtherFast PCM100 LAN PC Card 10/100Mbps LAN card ATA flashAdvantechCompactFlashCF 48M48MB SanDiskSDP seriesSunDisk SDP 5/ MB KingstonCompactFlash Storage Card TOSHIA THNCF064MAA64MB VikingCompactFlashTOSHIA THNCF064MBA64MB Wireless LAN CiscoAIR-PCM340 Aironet 340 Cisco Systems 340 Series Wireless LAN Adapter 11Mbps WiFi LinksysLinksys Etherfast 10/100 Integrated PCCard (PC100) Linksys Etherfast 10/100 Integrated PCCard (PC100) ver1.0 10/100 Mbps LAN card ModemBillionton Systems Inc. FM56C seriesPCMCIA CARD 56K FaxModem FM56C-NFS 5.41 Ambient(Intel) V.90 FAX/Modem PCCard VikingPC Card Modem 56KViking V.90 K56flex 021 AModem PCCard KINGMAXKIT PCMCIA 56K Fax/Modem Card CIRRUS LOGIC 56K MODEM CL- MD56XX 5.41 V.90 FAX/Modem PCCard CDMAGTRANDotSurfer GPC-2000KTF PC Card support

Event handling Event filtering and notification procedure Device STS data stream filter message packaging SNMP trap (SMS) reaction

Data logging Ethernet SYSLOG server Storage PCMCIA card NFS server Data logging locations internal Memory (RAM) STS

Point of Contact Sena Technologies, Inc. Phone: Fax: Web Address: Yangjae-dong Seocho-gu Seoul , South Korea