| Title: | DEChub/HUBwatch/PROBEwatch CONFERENCE |
| Notice: | Firmware -2, Doc -3, Power -4, HW kits -5, firm load -6&7 |
| Moderator: | NETCAD::COLELLA DT |
| Created: | Wed Nov 13 1991 |
| Last Modified: | Fri Jun 06 1997 |
| Last Successful Update: | Fri Jun 06 1997 |
| Number of topics: | 4455 |
| Total number of notes: | 16761 |
Does the PE Sitche, and the 10BaseT ports on the 900 EF switch require two different drop cables to connect the same station device - one being a cross over cable, and the other not? I just want to confirm my understanding of the respective installation guides for each device... The PE Switch install guide says "The PEswitch 900 module uses embedded crossover 10BaseT connectors." The DECswitch 900 EF install guide says "The DECswitch 900 module uses straight-through 10BaseT connectors." These two statements obviously imply an answer to my original question. My next question for benefit of explanation to a customer is, why do two switches with similar functionality require two different types of station cables? Any insight would be appreciated. Thank you. Merlin
| T.R | Title | User | Personal Name | Date | Lines |
|---|---|---|---|---|---|
| 2238.1 | KAOFS::S_HYNDMAN | Ride life's curves | Mon May 01 1995 10:51 | 6 | |
See note 2234.
Scott
| |||||
| 2238.2 | RE: Wiring differences between DECswitch900EF & PEswitch900 | NETCAD::BATTERSBY | Mon May 01 1995 11:55 | 13 | |
The PEswitch is a "Desktop Switch" as opposed to a "Departmental
Switch" (which the DECswitch 900EF is). The PEswitch supports a
max of 64 addresses on all 6 Ethernets combined, so it must be
used as a Personal Ethernet switch, and not as a Departmental
switch. So think of the PEswitch 900TX as a replacement for
repeaters, which give *each* port a full 10mbps instead of the
shared Ethernet which repeaters give you. Thus the PEswitch 900TX
UTP ports have an internal crossover like repeaters. Thus it increases
the bandwidth brought to the desktop without rewiring.
Hope this explains the reason for the difference in how/why the
wiring requirements for the DECswitch 900EF and the PEswitch 900TX.
Bob
| |||||
| 2238.3 | Info on Bridging/switching products on DEChub web home page.. | NETCAD::BATTERSBY | Mon May 01 1995 12:04 | 6 | |
BTW, you can see & read more on the features & differences between
the three bridging/switching products, by going to the internal web
page http://www-dechub.lkg.dec.com/internal-info/switches. Take
advantage of this information, extract it for future reference.
Bob
| |||||