> On 2007-03-22 13:16:26 -0300, "DJW" hotmail.com> said:
>

>> On Mar 21, 12:30 pm, Bruce Gordon btpost.net> wrote:

>>> In article <1174447290.765157.126...@n76g2000hsh.googlegroups.com>,
>>>
>>> "DJW" hotmail.com> wrote:

>>>> Can you explain what you mean by bridging LocalTalk to Ethernet? Is
>>>> that done at the computer that can use both Ethernet and localtalk? My
>>>> machine is a PPC 7200 that can use both 10base Ethernet and serial (?)
>>>> LocalTalk it is networked to a 6200 and CI and of course the HP
>>>> LaserJet 4M. It is the blue & white G3 I am trying to get on that
>>>> network and be able to use the printer. Would this mean that the 7200
>>>> would have to be on (as a print server) if I could be able send a
>>>> print job from the G3 to the LaserJet?

>>>
>>> Lets start over here and define some terms.
>>>
>>> AppleTalk is a Protocol that will run on most Hardware Network Ýypes.
>>> LocalTalk is a Hardware Network Type that uses a Single Pair of Wires
>>> and was the Basic Network that Apple use prior to Ethernet.
>>> EtherTalk is the AppleTalk Protcol running on the Ethernet Hardware
>>> Network Ýype.
>>> Ethernet is a Hardware Network Type that uses two Pair of Wires
>>> and is the Basic Network now in use by all Lans.
>>> TCPIP is a Protocol used by the Internet and can be carried by most
>>> Hardware Network Ýypes, including LocalTalk via MacIP.
>>> Serial is NOT LocalTalk. It does however use the SAME Port or
>>> Connection as LocalTalk.
>>>
>>> Ok you have a 7200, that has Ethernet LocalTalk and Serial. The
>>> 7200/6200/CI in its standard configuration can have AppleTalk Active on
>>> only one External Port at a time. This is the same for ALL MacOS's
>>> (Prior to OSX) in their Standard Configuration. This means you can have
>>> AppleTalk/EtherTalk running on LocalTalk or Ethernet, but NOT both at
>>> the same time. You have choosen to have them run LocalTalk on one of
>>> the Serial Ports on your 7200/6200/CI, and connect them via LocalTalk
>>> and also connect this LocalTalk Network to your HP LaserJet 4M for
>>> printing. Ok so far so good.
>>>
>>> Now you wnat to bring on to your LocalTalk Network a B&W G3, which has
>>> no Serial Ports, and therefor no LocalTalk Connections. There was an
>>> outfit that built a Card that went into the B&W G3's that added a
>>> LocalTalk compatable Serial Port, that would solve your problem. I
>>> don't recall the Name of the Company but I remember that there is
>>> such a Hardware Device. I seem to recall it was called a "Stealth
>>> Serial Port".
>>>
>>> You could also bring you network into the 21st Century and add Ethernet
>>> Network Interface Cards to you 6200, and CI and move your LAN up to
>>> Ethernet from LocalTalk, and buy a small 8 Port Ethernet Hub or Switch,
>>> and connect all your CPU's via Ethernet. Your Printer would either have
>>> to have a Connection Upgrade to Ethernet, OR you could then get yourself
>>> a copy of LaserWriter Bridge and run that one one of the MacOS Systems.
>>>
>>> LaserWriter Bridge is a SMALL HalfRouter Package Apple came up with to
>>> bring Legacy LocalTalk Printers onto Ethernet LANs. What it does is
>>> alllows the MacOS to have BOTH EtherTalk, and LocalTalk Active on
>>> the CPU, at the same time, and Bridge the Printing Packets from one
>>> Network Segment to the other. It is NOT a full BiDirectional Bridge,
>>> and was ONLY designed for LocalTalk Printer Traffic. There was also
>>> a LocalTalk Bridge beta at one time, that was proported to be a full
>>> BiDirectional Bridge, but it never was really debugged and was soon
>>> unsupported, and faded into obscurity.
>>>
>>> The next possibility would be in get yourself a copy of the Univercity
>>> of Melbourne's, Software Appletalk Router that IS a full Bidiretional
>>> LocalTalk/EtherTalk Bridge System. This would run on your 7200, which
>>> has both Ethernet, and LocalTalk Ports, and would bring the B&W G3
>>> on to you LocalTalk Network via an Ethernet connection between the
>>> 7200 and the B&W G3.
>>>
>>> OR, you could get yourself a Hardware EtherTalk/LocalTalk Router,
>>> like the Shiva FastPath 5 or 4, or the Farallon StarRouter and
>>> accomplish the same BiDirectional Bridging of the two Segments.
>>>
>>> These are your options. You MUST understand that you are dealling
>>> with LEGACY Hardware and Software, for all of this, and your not going
>>> to find a lot of support for any of this stuff, as it is way out of
>>> date and most Network Guru's can't even remember back that far, and
>>> those that can, are getting into the Alzheimers Generation.
>>>
>>> Me one of the few that still CAN, and still use this stuff....
>>>
>>> --
>>> Bruce (semiretired powderman & exFCC Field Inspector for Southeastern Ala

>> ska)

>>> add a <2> before @
>>> Bruce Gordon * Debora Gordon R.N. Bruce's Trading Post
>>> P.O. Box EXI Excursion Inlet South
>>> Juneau, Alaska 99850 Excursion Inlet, Alaska 99850
>>> www.btpost.net www.99850.net

>>
>> Bruce,
>> Thank you for the fantastic and informative reply. I need to digest it
>> all and search online for information and availability of some of the
>> things you mentioned. I hope you don't mind more questions down the
>> road. I guess Ethernet will be a must but also want to get a
>> connection between the G3 and the printer. Do not believe I can add
>> any new hardware directly into that HP LaserJet 4M. Will study what
>> you wrote in regards to that option.
>> Thanks again.
>> DavidD W R

>
> At one time I recall using a Farallon "EtherPrint?" which was a rather small

> box that allowed several LocalTalk printers (mine was a LaserWriter II NTx)
> to be attached to an EtherTalk network. There was a required order of power
> up for the devices to allow the box to find things. (It might have been a
> different box with that trouble but it was the level on minor annoyance of
> devices of that era.) The EtherTalk allowed a Mac II to talk to a PC as
> LocalTalk on a PC was a real bother. LocalTalk is slow after EtherTalk
> has been used for file transfer and some of the LocalTalk boards would only
> work on slower PCs. That was when 16MHz was real fast!