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New Ways To Network Your Old Printersby Robert J. KohlheppYou can get most new printers with networking options installed at the factory, but external print servers offer an upgrade path for your existing printers. Last year, we tested the MiLAN FastPort 3100, Axis Communications NPS 550, Hewlett-Packard JetDirect EX and Intel NetPort XL in our Wisconsin labs (see "Print Servers for Multiprotocol Networks," Reviews, March 1994, page 126). There are a few new products and some we missed the first time. We revisited our information from the first round and tested 10 additional products in our San Mateo lab for more than three months. The additional products include: ASP Computer Products JetLAN 2P, Lantronix EPS1, Agile 4550 E/PS, Extended Systems MPX, Emulex NETQue, Castelle LANpress, Xircom IIps, Digital Products NetPrint/200, Lexmark MarkNet XLe and Microplex Systems M202. We tested these print servers in a multiprotocol environment, using a variety of Macintosh and Windows machines, and a SunSPARC IPX. Xircom's IIps is the most compact device, connecting unobtrusively, directly to your printer's parallel port. But it only offers NetWare and TCP/IP connectivity. For a full support product, including AppleTalk, NetWare, TCP/IP and more, Hewlett-Packard's JetDirect EX is still best, even though it only connects to a single printer. HP's JetDirect EX offers top-notch AppleTalk support, including extensive support for Apple's LaserWriter Utility, which is rare. However, the JetDirect EX requires a bidirectional parallel connection to support AppleTalk. The Axis NPS 550 has very flexible Unix and NetWare capabilities, and is easi ly configured. For very complex configurations, including DECnet and serial host-to-parallel printing, Emulex offers it all, but you'll spend a fair amount of time configuring the device. HP JetDirect EXHewlett-Packard Co. still offers the most thorough solution for networking printers. Although it doesn't have the most advanced feature set, basic functionality plus completely easy installation makes JetDirect an excellent choice for almost any environment.Administration is similar to that of HP's network printers. With a quick setup through JETADMIN.EXE, your printer will be servicing NetWare and AppleTalk jobs immediately. However, Unix setup can be a bit more complicated. With the tools provided, HP makes that job a bit easier, but the tools are not foolproof. The configuration scripts help you modify the /etc/printcap file and configure your server to supply IP information to the JetDirect through bootp. This is simple and convenient if you are already running bootp or starting a new server. Even if you are already running bootp, you may want to add the device manually. For instance, the script assumes bootp is started by inetd, but that isn't the case in our lab where we start the process in the rc.local file and run it continually. The install script didn't notice that and made an entry for inetd for us. Intel Corp. NetPort XLThe Intel NetPort XL, tested in our initial round last March, offers an excellent solution for almost any environment. But where NetPort's configuration tools are excellent, HP's JetDirect benefits from the seamless integration with its popular networked printers. Unix configuration is a bit easier with Intel's NetPort XL, where you can set the IP addresses from within the DOS utility instead of using bootp.Digital Products NetPrint/200The NetPrint/200 is an excellent offering, but we had many difficulties with the device's network communication on our 10BASE-T San Mateo network. Neither Digital nor we have been able to reproduce the failure any where else. On coax, we had the NetPrint servicing a few NetWare queues and Macintoshes quickly.The NetPrint's strength is in its configuration tools. With excellent graphical configuration tools for Windows, DOS and Macintosh, it is a breeze to set up. The NetPrint isn't compatible with Apple's LaserWriter utility, however, which would help in integration with existing Apple printers. Despite the quality of setup and administration tools, we must be a bit cautious when recommending this device with its problems on our lab's 10BASE-T network. However, Digital is working hard with us to resolve this problem and it has even sent engineers to gather data. Emulex Corp. NETQueThe Emulex NETQue offers excellent flexibility in a heterogeneous environment, supporting the widest variety of protocols. Configuration for these protocols is very detailed, but not straightforward. Plan on learning VMS-style commands to configure most services. But there's plenty of on-line help.It took a while to customize this print server to suit our needs. Changing the name of the AppleTalk printer that appears in the Chooser, for instance, was difficult, requiring a long, cryptic command. Support for Apple's Namer, like many of the other products have, would help. Considering the complexity of the configuration commands, we were lucky the unit was well documented. Although most of NETQue's basic configuration doesn't take too long, any custom configuration was painful. A graphical configuration tool like HP's JETADMIN.EXE would shield the user from the complexity of the configuration command-line. The payoff is worthwhile, however, as NETQue offers many other functions that demand the extensive configuration. For instance, it includes dial-in terminal emulation and a serial-to-parallel printing gateway. Like the Lantronix EPS1, it may not be worth the effort if you have basic print service needs. But, if you need connectivity to DECnet as well as a host of other protocols, this may be the right choice. Lexmark International XLeLexmark makes its debut in the print server market with a nice spinoff from its network-ready printers. Lexmark's MarkNet XLe 102 is configurable with the same utility as the Lexmark printers (similar to the HP offering). This makes maintenance and setup homogeneous across the network if you've got Lexmark printers. With the simple Windows interface, we had the XLe configured for NetWare in no time.The ease of Lexmark's NetWare setup and printing is rivaled only by HP. However, the addition of more protocols, such as AppleTalk (due soon, according to Lexmark), would be a definite improvement. Like the Lexmark Optra Series printers (see "All the New Printers That Fit," Reviews, December 1994, page 86), you configure the MarkNet XLe using the Network Printer Alliance Protocol (NPAP). With the help of Unix tools, TCP/IP printing was nearly as easy as NetWare. However, we were disappointed that the print server was unable to formulate a useful response to an lpq command when the queue was empty. Information about printing status can be retrieved by using the finger command, but that hardly follows the normal remote printing methods. For printing environments with a variety of TCP/IP platforms, Lexmark provides many different methods of printing besides the usual lpd. For example, you can ftp or tftp files to the print server, which helps in environments where protocols are restricted. Lantronix EPS1Like the Emulex NETQue, if you are working in a heavy DEC environment, the Lantronix EPS1 can be easy to configure. Although there is good support for AppleTalk, NetWare, TCP/IP and DEC LAT printing, setup difficulty can be prohibitive. But it's a good print server for the administrator who likes to configure every aspect of the device.NetWare configuration with the QINST.EXE utility is fairly straightforward, but configuring services beyond the basics, like adding a print server password, requires a telnet session and complicated configuration commands. AppleTalk configuration, for instance, requires a telnet session and can involve some fairly complicated commands to perform simple operations. And like the HP and other print servers, the EPS1 requires bidirectional communication with parallel printers to retrieve proper printer status information. While this enables useful printer feedback, it excludes most older printers, which are probably the target for these print servers in the first place. Microplex Systems M202The Microplex M202 print server is a good choice for Unix environments, but it also serves NetWare and AppleTalk clients. Although the M202 is fairly easy to set up, good documentation and technical support add to its value. Unix configuration was among the easiest in the group. With one of two quick configuration scripts, TCP/IP printing was available in minutes. Also, with utilities such as ASCII-to-PostScript translation and job scrambling, you can add flexibility and security. Adding useful NetWare configuration tools would help catapult this device to the top of our list.Axis Communications NPS 550/650 RISC
Agile is a formidable addition to the pack, which is understandable, since it is an OEM of Axis' NPS 550-a very flexible print server in Unix environments in addition to being easy to set up under NetWare.
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