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# CABLETRON SYSTEMS, INC.
TPT-D4
Device Type Redundant Transceiver
NIC Type Ethernet
Maximum Onboard Memory Unidentified
Boot ROM Not available
Network Transfer Rate 10Mbps
Topology Star
Wiring Type Unshielded twisted pair
Data Bus External
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| AUI transceiver via | CN1 | RJ-45 UTP connector | CN3 |
| DB-15 | | (port 2) | |
|----------------------+-------+---------------------+-------|
| RJ-45 UTP connector | CN2 | | |
| (port 1) | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------------+-------+----------|
| ยป | SQE test function disabled | SW1 | Off |
|---+-------------------------------------+-------+----------|
| | SQE test function enabled | SW1 | On |
|---+-------------------------------------+-------+----------|
| | Waits for data for approximately | SW2 | MIN |
| | 2sec before switching to redundant | | |
| | port | | |
|---+-------------------------------------+-------+----------|
| | Waits for data for approximately | SW2 | MAX |
| | 10sec before switching to redundant | | |
| | port | | |
|------------------------------------------------------------|
| Note: SW2 should be set to MIN when attached to a |
| high-activity network. The MAX setting should be used with |
| a low-activity network. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 1 PIN CONFIGURATION |
|------------------------------------------------------------|
| Setting | SW3 |
|-------------------------------------------+----------------|
| Crossover enabled | On |
|-------------------------------------------+----------------|
| Straight-through enabled | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 2 PIN CONFIGURATION |
|------------------------------------------------------------|
| Setting | SW4 |
|-------------------------------------------+----------------|
| Crossover enabled | On |
|-------------------------------------------+----------------|
| Straight-through enabled | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+--------+----------+---------------------------------|
| PWR | Green | On | Power is on |
|------+--------+----------+---------------------------------|
| PWR | Green | Off | Power is off |
|------+--------+----------+---------------------------------|
| SQE | Yellow | On | Signal Quality Error test |
| | | | function is enabled |
|------+--------+----------+---------------------------------|
| SQE | Yellow | Off | Signal Quality Error test |
| | | | function is disabled |
|------+--------+----------+---------------------------------|
| XMT | Green | Blinking | Data is being transmitted |
|------+--------+----------+---------------------------------|
| XMT | Green | Off | Data is not being transmitted |
|------+--------+----------+---------------------------------|
| RCV | Yellow | Blinking | Data is being received |
|------+--------+----------+---------------------------------|
| RCV | Yellow | Off | Data is not being received |
|------+--------+----------+---------------------------------|
| CLN | Red | Blinking | Collision detected on network |
|------+--------+----------+---------------------------------|
| CLN | Red | Off | No collision detected on |
| | | | network |
|------+--------+----------+---------------------------------|
| LNK1 | Green | On | Port 1 UTP link is good |
|------+--------+----------+---------------------------------|
| LNK1 | Green | Off | Port 1 UTP link is broken |
|------+--------+----------+---------------------------------|
| ACT1 | Yellow | On | Port 1 is handling network |
| | | | traffic |
|------+--------+----------+---------------------------------|
| ACT1 | Yellow | Off | Port 1 is not handling network |
| | | | traffic |
|------+--------+----------+---------------------------------|
| ACT1 | Yellow | Blinking | Port 1 is idle. Time out is set |
| | | (slow) | to 10 seconds |
|------+--------+----------+---------------------------------|
| ACT1 | Yellow | Blinking | Port 1 is idle. Time out is set |
| | | (fast) | to 2 seconds |
|------+--------+----------+---------------------------------|
| LNK2 | Green | On | Port 2 UTP link is good |
|------+--------+----------+---------------------------------|
| LNK2 | Green | Off | Port 2 UTP link is broken |
|------+--------+----------+---------------------------------|
| ACT2 | Yellow | On | Port 2 is handling network |
| | | | traffic |
|------+--------+----------+---------------------------------|
| ACT2 | Yellow | Off | Port 2 is not handling network |
| | | | traffic |
|------+--------+----------+---------------------------------|
| ACT2 | Yellow | Blinking | Port 2 is idle. Time out is set |
| | | (slow) | to 10 seconds |
|------+--------+----------+---------------------------------|
| ACT2 | Yellow | Blinking | Port 2 is idle. Time out is set |
| | | (fast) | to 2 seconds |
+------------------------------------------------------------+