Cabletron Systems MicroMMAC 24T MICROMMAC- - Manual (Page 49)

INSTALLATION
3-14
Figure 3-13. The Phantom and RI/RO Switches
3.9.2 TPIM Installation
To install a TPIM, perform the following steps:
CAUTION: Observe all static precautions while handling TPIMs.
3. Remove the mounting screw from the faceplate of the RI/RO port on
the MicroMMAC-T.
4. If replacing a TPIM, remove the mounting screw and pull the TPIM
straight out from the MicroMMAC-T.
5. Slide the new TPIM into place as shown in Figure 3-14.
6. Ensure proper mating between the connectors on the rear of the
module and on the inside of the MicroMMAC-T.
7. Reinstall the mounting screw.
Top View
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 (Not Functional)
TPIM-F2/TPIM-F3
RI/RO Switch Settings
RI/RO = Ring In Ring Out (Default)
STN = Station (Not Functional)
STN RI/RO
P
H
A
N
T
O
M
S RI/RO
(See Below For Settings)
1
0