Milan e-tbt-hb-1002 ユーザーガイド
you would inadvertently disconnect users from your network.
With a “star” topology this cannot happen, each node is iso-
lated from each other, making the network much easier to
control and manage. The 24 twisted pair ports are designed
for 24 or 26 AWG twisted pair cable (meeting IEEE stan-
dards).
With a “star” topology this cannot happen, each node is iso-
lated from each other, making the network much easier to
control and manage. The 24 twisted pair ports are designed
for 24 or 26 AWG twisted pair cable (meeting IEEE stan-
dards).
About the TRANSITION Networks 24 port Ethernet Hub
The TRANSITION Networks Model E-TBT-HB-1002 hub is a
free standing or rack mountable multiport repeater with 24
modular RJ-45 connections. In addition, an AUI port (DB-15
connector) is provided for another Ethernet interface.
Included are two expansion slots for optional Slide In Cards;
providing coaxial cable, fiber optic and twisted pair Ethernet
connections.
free standing or rack mountable multiport repeater with 24
modular RJ-45 connections. In addition, an AUI port (DB-15
connector) is provided for another Ethernet interface.
Included are two expansion slots for optional Slide In Cards;
providing coaxial cable, fiber optic and twisted pair Ethernet
connections.
*E-CX-SIC
Coaxial cable interface slide in card
*E-FRL-SIC Fiber optic interface slide in card
*E-TBT-SIC Twisted pair interface slide in card
These optional cards allow extended interface capabilities;
providing greater flexibility for your network's present or
future needs.
providing greater flexibility for your network's present or
future needs.
Redundancy Feature
A special feature of the TRANSITION Networks 24 port hub
is the Redundancy feature that allows dual connections
when cascading hubs. This feature insures that if one line
fails between hubs, another line provides transmission auto-
matically. If both lines fail, a fault light on the front panel
indicates trouble. The Redundancy feature requires the
switch enabled (on side of the hub) and both optional Slide
in Card ports be utilized. Either twisted pair or fiber optic
is the Redundancy feature that allows dual connections
when cascading hubs. This feature insures that if one line
fails between hubs, another line provides transmission auto-
matically. If both lines fail, a fault light on the front panel
indicates trouble. The Redundancy feature requires the
switch enabled (on side of the hub) and both optional Slide
in Card ports be utilized. Either twisted pair or fiber optic
The following are network topology constraints that apply to
10BaseT as well as mixed media networks containing
10BaseT segments.
10BaseT as well as mixed media networks containing
10BaseT segments.
1) Repeater sets are required for all segment interconnec-
tion.
2) MAUs that are part of repeater sets count towards the
maximum number of MAUs on a segment.
3) The transmission path permitted between any two DTEs
may consist of up to five segments: four repeater sets
(including optional AUIs), two MAUs and two AUIs.
4) When a network consists of four repeater sets and five
segments, up to three of the segments may be coax and the
remainder must be Link segments. When five segments are
present, each FOIRL Link segment should not exceed 500
meters.
5) When a network path consists of three repeater sets and
four segments, the maximum allowable length of the FOIRL
segments is 1000 meters each as specified.
tion.
2) MAUs that are part of repeater sets count towards the
maximum number of MAUs on a segment.
3) The transmission path permitted between any two DTEs
may consist of up to five segments: four repeater sets
(including optional AUIs), two MAUs and two AUIs.
4) When a network consists of four repeater sets and five
segments, up to three of the segments may be coax and the
remainder must be Link segments. When five segments are
present, each FOIRL Link segment should not exceed 500
meters.
5) When a network path consists of three repeater sets and
four segments, the maximum allowable length of the FOIRL
segments is 1000 meters each as specified.
Fuse Information and Approved European Power Cord
Sets
Sets
AC Inlet Fuse Information:
For installing new fuses, open the fuse cover using a small
blade screw driver or similar tool.
blade screw driver or similar tool.
Warning:For continued protection against risk of
fire, replace only with the same type of fuse.
Note: For replacement of North American style
fuse, replace with 1/4 x 1 1/4 inch 250 V, 2 Amp,
UL listed fuse.
For European replacement style fuses, replace
with 5 x 20 mm, 250 Volt, 2 Amp fuses.
fire, replace only with the same type of fuse.
Note: For replacement of North American style
fuse, replace with 1/4 x 1 1/4 inch 250 V, 2 Amp,
UL listed fuse.
For European replacement style fuses, replace
with 5 x 20 mm, 250 Volt, 2 Amp fuses.