SCS1620 Product Manual
Lightwave Communications
Page
12
www.lightwavecom.com
2.4.3 Modem
The optional Modem module connects to a conventional telephone line using
standard RJ11 modular telephone cable. The analog modem on the card
connects at speeds up to 38,400 baud. The Modem is required for any PPP
features.
With the Modem installed, the SCS1620 supports:
•
Plain Text TTY
•
PPP connection, with PAP or CHAP authentication
•
Callback
connection
2.4.4 Power
Manager
The POWER MANAGER port is provided for connection to Lightwave's Power
Control Unit, the
PCU8
. This serial interface uses a DB9 female connector. The
Power Manager port is configured as Port 17, and is similar to the DEVICE ports.
2.5
Device Port Buffer
Each device port stores 256 KB (approximately 400 screens) of I/O data in a
FIFO buffer. This data may be viewed while the user is not directly interacting
with the attached device.
2.6
System Resource Information
The SCS1620 is programmable using OS-level commands and options. The
System Administrator (
sysadmin
) configures the product using a command-line
interface or one of several prepared scripts, using UNIX / Linux commands.
There are numerous resources on the Internet (and elsewhere) providing
information about security options, programming tools and techniques and
configuration advice. A few of the Internet sites are listed below.
•
SSH
info:
•
RFC's (the standards and details behind the Internet):
•
RFC1700; assigned numbers:
www.faqs.org/rfcs/rfc1700.html
•
PuTTY, a free Win32 Telnet/SSH Client (recommended):
http://www.chiark.greenend.org.uk/~sgtatham/putty/
•
Security:
•
An online manual on Linux security:
http://www.linuxdoc.org/LDP/solrhe/Securing-Optimizing-Linux-RH-
Edition-v1.3/
The following sites have more information about Linux (from basic to advanced):
•
•
•
