Cabletron Systems STHI - Manual (Page 69)

Fiber Optic TPIM Specifications
Page A-2
Figure A-1. TPIM-T1/T2/T4 Pinouts for Ring In.
Figure A-2. TPIM-T1/T2/T4 Pinouts for Ring Out.
A.3 Fiber Optic TPIM Specifications
TPIM-F2 and TPIM-F3 support Multimode and Single Mode Fiber Optic
cabling respectively. Figure A-3 shows the face layout common to both
modules.
TPIM-T4
LNK
1 2 3 4 5 6 7 8
TPIM-T1
LNK
TPIM-T1 TPIM-T2 and TPIM-T4
1. Receive +
2. Ground
3. +5V at 250 mA
4. Ground
5. Transmit -
6. Receive -
7. Ground
8. Ground
9. Transmit + 1. Not Used
2. Not Used
3. Transmit -
4. Receive +
5. Receive -
6. Transmit +
7. Not Used
8. Not Used
5 4 3 2 1
9 8 7 6
TPIM-T4
LNK
1 2 3 4 5 6 7 8
TPIM-T1
LNK
TPIM-T1 TPIM-T2 and TPIM-T4
1. Transmit +
2. Ground
3. +5V at 250 mA
4. Ground
5. Receive -
6. Transmit -
7. Ground
8. Ground
9. Receive + 1. Not Used
2. Not Used
3. Receive -
4. Transmit +
5. Transmit -
6. Receive +
7. Not Used
8. Not Used
5 4 3 2 1
9 8 7 6