CABLETRON SYSTEMS, INC.
TRFOT-2, TRFOT-3
|
Device Type |
Fiber Optic Transceiver |
|
NIC Type |
Token Ring |
|
Maximum Onboard Memory |
Unidentified |
|
Boot ROM |
Not available |
|
Network Transfer Rate |
4/16Mbps |
|
Topology |
Star |
|
Wiring Type |
Unshielded twisted pair (10Base-T) Fiber optic |
|
Data Bus |
External |
|
CONNECTIONS |
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|
Function |
Label |
Function |
Label |
|
Power jack |
CN1 |
Fiber optic connector (ST) - receive |
RX |
|
AUI transceiver via DB-9 |
CN2 |
Fiber optic connector (ST) - transmit |
TX |
|
USER CONFIGURABLE SETTINGS |
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|
Function |
Label |
Position |
|
Phantom drive disabled |
SW1/C |
On |
|
Phantom drive enabled |
SW1/C |
Off |
|
Cabletron proprietary devices |
SW1/D |
On |
|
802.5J compatible devices |
SW1/D |
Off |
|
Note: SW1/C & SW1/D apply to RI/RO applications |
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|
APPLICATION SETTINGS |
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|
Setting |
SW1/A |
SW1/B |
SW1/C |
SW1/D |
|
Station application enabled |
On |
Off |
Off |
Off |
|
Lobe (TCU) application enabled |
Off |
Off |
Off |
Off |
|
Ring in application enabled |
On |
On |
See note |
See note |
|
Ring out application enabled |
Off |
On |
See note |
See note |
|
Note: SW1/C & SW1/D may be in either position as illustrated in the user configuration table |
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|
DIAGNOSTIC LED(S) |
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|
LED |
Color |
Status |
Condition |
|
PWR |
Green |
On |
Power is on |
|
PWR |
Green |
Off |
Power is off |
|
CU |
Green |
On |
Phantom detected/valid copper link |
|
CU |
Green |
Blinking |
Phantom detected/valid copper link, no data present |
|
CU |
Red |
On |
Phantom not detected. No copper link |
|
FO |
Green |
On |
Fiber optic link is good |
|
FO |
Red |
On |
Fiber optic link is broken |