CABLING
4-11
4.4.2 Configuring TPIMs For RI/RO Application
TPIMs are shipped configured for RI/RO application. (They can also be
configured for Station-port application for other Cabletron devices.)
Before installing a TPIM in a RI/RO receptacle to build a ring port for
attachment to a Cabletron Systems device, ensure that its switch settings
match those shown in
Figure 4-6
.
For attachment to a non-Cabletron Systems device (for example, an IBM
8228 MSAU) you must set the phantom switch to 0 on the
TPIM-T1/T2/T4 after you have established the link.
Figure 4-6 TPIM Configuration Settings
!
CAUTION
Setting the phantom switch to
0
(non-Cabletron device) on the
TPIM-T1/T2/T4
before connecting the device to it will cause a
beaconing condition. To avoid this, attach the non-Cabletron
device to the TPIM first, and then set Phantom Switch to
0
.
TPIM-F2/TPIM-F3
Fiber Key Settings
Ctron = Cabletron Device
802.5 = (Functional)
RI/RO-STN Switch Settings
RI/RO = Ring In Ring Out (Default)
STN = Station (Functional)
S
T
N
RI/RO
8
0
2
.
5
Ctron
TPIM-T1/TPIM-T2/TPIM-T4
Phantom Switch Settings
1 = Cabletron Device (Default)
0 = Non-Cabletron Device
RI/RO Switch Settings
RI/RO = Ring In/Ring Out (Default)
S = Station (Functional)
P
H
A
N
T
O
M
S RI/RO
1
0
Содержание MICROMMAC-22T
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Страница 10: ...CONTENTS viii...
Страница 14: ...TABLES xii...
Страница 28: ...INTRODUCTION 1 10...
Страница 84: ...MONITORING AND TROUBLESHOOTING 5 12...
Страница 90: ...TPIM SPECIFICATIONS B 4...
Страница 100: ...INDEX IX 6...