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# BROOKTROUT TECHNOLOGY, INC.
TR112
Card Type Fax/Telephony/T1 DSU
Processor Z8
Processor Speed 12MHz
Chip Set Unidentified
T1 Transfer Rate 1.544Mbps x 2
Maximum Onboard Memory 32K
I/O Options Telephone (2)
Data Bus 8/16-bit ISA
Line Type Loop-start, DID, T1
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------+-------+-------------------------+-------|
| Telephone line 1 | CN1 | External LEDs (see | J3 |
| | | pinout below) | |
|------------------+-------+-------------------------+-------|
| Telephone line 2 | CN2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| J3 PINOUT |
|------------------------------------------------------------|
| Function | Pin | Function | Pin |
|---------------------+------+------------------------+------|
| Not used | 1 | Channel 2 off hook | 4 |
|---------------------+------+------------------------+------|
| Channel 1 off hook | 2 | Channel 2 status | 5 |
|---------------------+------+------------------------+------|
| Channel 1 status | 3 | +5V DC power for LEDs | 6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|-----------------------------------------+-------+----------|
| » | DRQ pull-down resistor enabled | SW1/1 | On |
|---+-------------------------------------+-------+----------|
| | DRQ pull-down resistor disabled | SW1/1 | Off |
|------------------------------------------------------------|
| Note: If multiple TR112 cards are installed in a |
| system, SW1/1 should be turned on for only one of |
| them. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL |
|------------------------------------------------------------|
|Setting | J31/A | J31/B | J31/C | J31/D | J31/E | J31/F |
|--------+--------+--------+--------+--------+-------+-------|
| DMA1 | Closed | Open | Open | Closed | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| DMA2 | Open | Closed | Open | Open |Closed | Open |
|--------+--------+--------+--------+--------+-------+-------|
| DMA3 | Open | Open | Closed | Open | Open |Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS |
|------------------------------------------------------------|
| Setting | SW1/2 |SW1/3 |SW1/4 |SW1/5 |SW1/6 |SW1/7 |SW1/8 |
|----------+-------+------+------+------+------+------+------|
| | 000h | On | On | On | On | On | On | On |
|---+------+-------+------+------+------+------+------+------|
| | 008h | Off | On | On | On | On | On | On |
|---+------+-------+------+------+------+------+------+------|
| | 010h | On | Off | On | On | On | On | On |
|---+------+-------+------+------+------+------+------+------|
| | 018h | Off | Off | On | On | On | On | On |
|---+------+-------+------+------+------+------+------+------|
| | 020h | On | On | Off | On | On | On | On |
|---+------+-------+------+------+------+------+------+------|
|» | 250h | On | Off | On | Off | On | On | Off |
|---+------+-------+------+------+------+------+------+------|
| | 3D8h | Off | Off | On | Off | Off | Off | Off |
|---+------+-------+------+------+------+------+------+------|
| | 3E0h | On | On | Off | Off | Off | Off | Off |
|---+------+-------+------+------+------+------+------+------|
| | 3E8h | Off | On | Off | Off | Off | Off | Off |
|---+------+-------+------+------+------+------+------+------|
| | 3F0h | On | Off | Off | Off | Off | Off | Off |
|---+------+-------+------+------+------+------+------+------|
| | 3F8h | Off | Off | Off | Off | Off | Off | Off |
|------------------------------------------------------------|
| Note: A total of 127 base address settings are |
| available. The switches are a binary representation of |
| the decimal memory addresses. SW1/8 is the Most |
| Significant Bit and switch SW1/2 is the Least |
| Significant Bit. The switches have the following |
| decimal values: SW1/8=512, SW1/7=256, SW1/6=128, |
| SW1/5=64, SW1/4=32, SW1/3=16, SW1/2=8. Turn off the |
| switches and add the values of the switches that are |
| off to obtain the correct memory address. (Off=1, On=0)|
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT |
|------------------------------------------------------------|
|Setting | J32/A | J32/B | J32/C | J32/D | J32/E | J32/F |
|--------+--------+--------+--------+--------+-------+-------|
|IR/FONT>| Open | Open | Open | Open | Open |Closed |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ3 | Open | Open | Open | Open |Closed | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ4 | Open | Open | Open | Closed | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ5 | Open | Open | Closed | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ6 | Open | Closed | Open | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ7 | Closed | Open | Open | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ10 | Open | Open | Open | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ11 | Open | Open | Open | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ12 | Open | Open | Open | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ14 | Open | Open | Open | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ15 | Open | Open | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT (CON’T) |
|------------------------------------------------------------|
| Setting | J33 | J33 | J33 | J33 | J33 |
| | pins 1 | pins 3 | pins 5 | pins 7 | pins 9 |
| | & 2 | & 4 | & 6 | & 8 | & 10 |
|----------+---------+---------+---------+---------+---------|
| IR/FONT> | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ3 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ4 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ5 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ6 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ7 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ10 | Open | Open | Open | Open | Closed |
|----------+---------+---------+---------+---------+---------|
| IRQ11 | Open | Open | Open | Closed | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ12 | Open | Open | Closed | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ14 | Open | Closed | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ15 | Closed | Open | Open | Open | Open |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|----------+----------+----------+---------------------------|
| LED1 | Green | On | Line 1 is active |
|----------+----------+----------+---------------------------|
| LED1 | Green | Off | Line 1 is not active |
|----------+----------+----------+---------------------------|
| LED2 | Red | On | Line 1 is off-hook |
|----------+----------+----------+---------------------------|
| LED2 | Red | Off | Line 1 is on-hook |
|----------+----------+----------+---------------------------|
| LED3 | Green | On | Line 2 is active |
|----------+----------+----------+---------------------------|
| LED3 | Green | Off | Line 2 is not active |
|----------+----------+----------+---------------------------|
| LED4 | Red | On | Line 2 is off-hook |
|----------+----------+----------+---------------------------|
| LED4 | Red | Off | Line 2 is on-hook |
+------------------------------------------------------------+