CI-516-CS

16 Port Communication Server

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Communication server functionality connects asynchronous devices to local-area networks (LANs) or wide-area networks (WANs) through network and terminal emulation software. Communication servers perform asynchronous routing of IP and IPX. With communication server functionality you can connect terminals, modems, and microcomputers to LANs or WANs over serial lines.

The 516-CS combines the following four server capabilities in one unit:

- Terminal server—connects asynchronous devices to a local area network (LAN) or wide area network (WAN) through network and terminal emulation software, which includes Telnet, Local Area Transport (LAT), TN3270, and Rlogin.

- Telecommuting server—connects devices over a telephone network using XRemote, XRemote over LAT, SLIP and compressed SLIP, and Asynchronous PPP.

- Protocol translator—converts one protocol to another similar protocol; the 516-CS supports Telnet, LAT, Rlogin, and TN3270 terminal emulation protocols.

- Asynchronous router—routes IP packets over asynchronous links using SLIP. The 516-CS currently supports the following routing protocols: Interior Gateway Routing Protocol (IGRP), Exterior Gateway Protocol (EGP), Border Gateway Protocol (BGP), Routing Information Protocol (RIP), and Open Shortest Path First (OSPF).

The 516-CS provides bi-directional hardware flow control and modem control. In addition to the flow control, you can set the serial transmit signal voltages to either RS-232 only, or to RS-232/423 to allow for greater cabling distances. The factory default is for RS-232/423.

The 516-CS is a small, light-weight server designed for use where a limited number of connections are required. This server operates in any ambient environment and, because of its quiet operation and compact size, is suitable for any office or desktop location.

Sixteen RJ-45 ports provide asynchronous terminal connections, and a single Ethernet port provides the local area networking (LAN) connection to your Ethernet network. The RJ-45 ports, which provide RS-232 and RS-423 signalling, allow you to use existing telephone wiring systems. The Ethernet connection is an industry standard 15-pin port to which you attach an Ethernet transceiver cable or an attachment unit interface (AUI).
ci-500-cs_series_on1.jpg
The front of the 516-CS, contains three green status indicators and a “return to factory default” switch (labeled “DEFAULT”). The PWR indicator lights whenever power is supplied to the system. Depending upon the amount of operating RAM in your system, the boot cycle will take one to three minutes. Once the system has successfully booted, the OK indicator lights and remains lit to indicate that the system software is functioning properly. The LAN indicator lights when there is activity on the network and will usually flash intermittently or, in heavy traffic, will remain lit.

The DEFAULT reset button on the front of the system is a switch for resetting the system to the defaults. This switch is helpful if you forget the enable password (for entering the EXEC privileged command mode).

ci-500-cs_series_on2.jpg

An internal card cage is located behind a removable panel on the front of the server. The card cage is not used in the current 516-CS but will support features planned for future releases. The panel contains three alignment tabs: two in the middle and one on the right side. To remove the panel, slide the panel about 1/4 inch to the left. Insert your fingernail or a small flat-blade screwdriver into the opened slot on the right, and pry off the panel. To replace the panel, insert the left edge into the opening first, then align the middle tabs into the alignment notches on the chassis. Slide the panel about 1/4 inch to the right to lock it into place.

The RS-232/423 asynchronous serial lines are provided through 16 RJ-45 8-pin ports on the 516-CS rear panel. The AC power port and a 15-pin AUI connector for standard Ethernet are also located on the back.

Each 516-CS is assigned a permanent Ethernet address at the factory and stored in nonvolatile random access memory (NVRAM). The address is recorded on two Ethernet address labels. One label is located on the rear panel above the Ethernet connector; the other label is on the bottom of the chassis.

ci-500-cs_series_arka.jpg
An RS-232/423 switch sets the serial transmit voltages to either RS-232/423 (+/-5V) or RS-232 only (+/- 10V). The switch is located under a removable cover on the underside of the 516-CS. The factory default is +/-5V (RS-232/423), which permits you to use longer cables with other devices that use the RS-423 standard. Most RS-423 devices also work with RS-232 levels, so it is seldom necessary to change the switch setting.

CPU—The central processing unit (CPU) is a Motorola 68331 running at 16 MHz.

RAM—Two megabytes of random access memory (RAM) are permanently soldered to the card. The two RAM expansion slots allow you to increase the operating RAM to four or ten megabytes by adding two 1-MB SIMMs or two 4-MB SIMMs.

System software: The system operating software is stored in two or four EPROMs, which are socketed to allow future system software upgrades. User-definable parameters, which are configurable with software ROM monitor commands, are stored in a 32K x 8 EEPROM.

Ethernet: A unique Ethernet address is assigned to each new server. The address is stored in NVRAM before the server leaves the factory.

LAN Interface: Ethernet Version 2 IEEE 802.3 interface with standard 15-pin (AUI) connector

Serial Port Interfaces: 8 or 16 RJ-45 ports (optional at time of order only)

Interface Standards:
Data: RS-232/423
Modem: RS-232
Supports bi-directional hardware flow control and modem control.

Modem Signals: RTS, CTS, DTR, DSR

Data rates (in bps): Any user-specified rate between 50 and 38,400 baud

Processor: Motorola 68331 @ 16 MHz

System memory: 2 MB of RAM (expandable to 4 or 10 MB), 32K of EEPROM

Status Indicators: Three front-panel LEDs: PWR, (system) OK, and LAN (activity)

Switches: One momentary push-button on the front panel, which restarts system to the defaults (the system ignores the configuration stored in NVRAM) One slide switch, under a removable cover on the chassis bottom, which sets the serial transmit signal voltages to either RS-232/423 (+/-5 V) or RS-232 only (+/-10 V)

The 516-CS contains an auto-ranging power supply, which operates on voltages within the range of 100 to 240 VAC.

Ürün dokümanı (1)

(26.03.2008)


http://www.cisco.com

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