The NEXTSTEP/OpenStep FAQ

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5.14 How may I attach more than two serial ports to the NeXT?

serial port, >2 on NeXT

TTYDSP From Yrrid converts the DSP port into an additional serial port.

Yrrid Incorporated 507 Monroe St. Chapel Hill, NC 27516 Voice: 919-968-7858 Fax: 919-968-7856 E-mail: yrrid@world.std.com

Unitnet has a device, the SLAT, that will connect to the scsi bus.

Uninet Peripherals, Inc. Voice: 714-263-4222 Fax: 714-263-4299

Central Data Corporation makes the scsiTerminal Server family of products.

Drivers for NextStep 3.0 and 3.1 are available for both the 68K-based and Intel-based platforms. The products available for NeXT include:

Product DESCRIPTION ST-1002+ 2 serial, 1 parallel SP-1003 3 parallel ST-1008+ 8 serial, 1 parallel ST-1016 16 serial

You can also mix and match multiple units.

Phone: 217/359-8010 Toll-free: 800/482-0315 FAX: 217-359-6904 Email: info@cd.com support@cd.com sales@cd.com Also, one can use an IP terminal server. In a non-Internet environment, inexpensive terminal servers, which don't control access to the network securely, can be used. If your network is an Internet subnet, you must use a terminal server that controls either: (1) who can log into the terminal server, or (2) which machines the terminal server will access. These tend to be more expensive (around $250/port, but in 8-port increments), but it may be quite economical means of sharing ports among many NeXTs (or other computers) on the network.

Particularly if one has a NeXT network, an Ethernet terminal server may be the way to go. One that supports Linemode Telnet (such as the Xylogics Annex III) will offer the best performance.

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