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# QUATECH, INC.
QS-2000/3000
Card Type Serial controller
Chipset/Controller Unidentified UART
I/O Options Serial I/O ports (2)
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| DB-37 I/O port | CN1 | 6-pin RJ-11 I/O | CN2 |
| | | port | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CHANNEL 1 LOOPBACK CONFIGURATION |
|------------------------------------------------------------|
| Setting | J1 |
|-----------------------------+------------------------------|
| » | RTS/CTS loopback | Pins 1 & 5 closed, 1 & 2 |
| | | open |
|---+-------------------------+------------------------------|
| | Transmit RTS | Pins 5 & 6 closed, 6 & 7 |
| | | open |
|---+-------------------------+------------------------------|
| | Receive CTS | Pins 1 & 2 closed, 2 & 3 |
| | | open |
|---+-------------------------+------------------------------|
| » | RCLK/XCLK loopback | Pins 3 & 7 closed, 2 & 3 |
| | | open |
|---+-------------------------+------------------------------|
| | Transmit XCLK | Pins 6 & 7 closed, 5 & 6 |
| | | open |
|---+-------------------------+------------------------------|
| | Receive RCLK | Pins 2 & 3 closed, 1 & 2 |
| | | open |
|---+-------------------------+------------------------------|
| » | AUX OUT/AUX IN loopback | Pins 2 & 6 closed, 5 & 6, 6 |
| | | & 7 open |
|---+-------------------------+------------------------------|
| | Half Duplex | Pins 4 & 8 closed |
|---+-------------------------+------------------------------|
| | Full Duplex | Pins 4 & 8 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CHANNEL 2 LOOPBACK CONFIGURATION |
|------------------------------------------------------------|
| Setting | J2 |
|-----------------------------+------------------------------|
| » | RTS/CTS loopback | Pins 1 & 5 closed, 1 & 2 |
| | | open |
|---+-------------------------+------------------------------|
| | Transmit RTS | Pins 5 & 6 closed, 6 & 7 |
| | | open |
|---+-------------------------+------------------------------|
| | Receive CTS | Pins 1 & 2 closed, 2 & 3 |
| | | open |
|---+-------------------------+------------------------------|
| » | RCLK/XCLK loopback | Pins 3 & 7 closed, 2 & 3 |
| | | open |
|---+-------------------------+------------------------------|
| | Transmit XCLK | Pins 6 & 7 closed, 5 & 6 |
| | | open |
|---+-------------------------+------------------------------|
| | Receive RCLK | Pins 2 & 3 closed, 1 & 2 |
| | | open |
|---+-------------------------+------------------------------|
| » | AUX OUT/AUX IN loopback | Pins 2 & 6 closed, 5 & 6, 6 |
| | | & 7 open |
|---+-------------------------+------------------------------|
| | Half Duplex | Pins 4 & 8 closed |
|---+-------------------------+------------------------------|
| | Full Duplex | Pins 4 & 8 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CHANNEL 3 LOOPBACK CONFIGURATION |
|------------------------------------------------------------|
| Setting | J3 |
|-----------------------------+------------------------------|
| » | RTS/CTS loopback | Pins 1 & 5 closed, 1 & 2 |
| | | open |
|---+-------------------------+------------------------------|
| | Transmit RTS | Pins 5 & 6 closed, 6 & 7 |
| | | open |
|---+-------------------------+------------------------------|
| | Receive CTS | Pins 1 & 2 closed, 2 & 3 |
| | | open |
|---+-------------------------+------------------------------|
| » | RCLK/XCLK loopback | Pins 3 & 7 closed, 2 & 3 |
| | | open |
|---+-------------------------+------------------------------|
| | Transmit XCLK | Pins 6 & 7 closed, 5 & 6 |
| | | open |
|---+-------------------------+------------------------------|
| | Receive RCLK | Pins 2 & 3 closed, 1 & 2 |
| | | open |
|---+-------------------------+------------------------------|
| » | AUX OUT/AUX IN loopback | Pins 2 & 6 closed, 5 & 6, 6 |
| | | & 7 open |
|---+-------------------------+------------------------------|
| | Half Duplex | Pins 4 & 8 closed |
|---+-------------------------+------------------------------|
| | Full Duplex | Pins 4 & 8 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CHANNEL 4 LOOPBACK CONFIGURATION |
|------------------------------------------------------------|
| Setting | J4 |
|-----------------------------+------------------------------|
| » | RTS/CTS loopback | Pins 1 & 5 closed, 1 & 2 |
| | | open |
|---+-------------------------+------------------------------|
| | Transmit RTS | Pins 5 & 6 closed, 6 & 7 |
| | | open |
|---+-------------------------+------------------------------|
| | Receive CTS | Pins 1 & 2 closed, 2 & 3 |
| | | open |
|---+-------------------------+------------------------------|
| » | RCLK/XCLK loopback | Pins 3 & 7 closed, 2 & 3 |
| | | open |
|---+-------------------------+------------------------------|
| | Transmit XCLK | Pins 6 & 7 closed, 5 & 6 |
| | | open |
|---+-------------------------+------------------------------|
| | Receive RCLK | Pins 2 & 3 closed, 1 & 2 |
| | | open |
|---+-------------------------+------------------------------|
| » | AUX OUT/AUX IN loopback | Pins 2 & 6 closed, 5 & 6, 6 |
| | | & 7 open |
|---+-------------------------+------------------------------|
| | Half Duplex | Pins 4 & 8 closed |
|---+-------------------------+------------------------------|
| | Full Duplex | Pins 4 & 8 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INPUT CLOCK FREQUENCY |
|------------------------------------------------------------|
| MHz | J5 |
|--------------------------+---------------------------------|
| » | 1.8432 | Pins 1 & 2, 3 & 6, 4 & 5 closed |
|---+----------------------+---------------------------------|
| | 3.6864 | Pins 2 & 3, 4 & 5 closed |
|---+----------------------+---------------------------------|
| | 9.216 | Pins 1 & 2, 5 & 6 closed |
|---+----------------------+---------------------------------|
| | 18.432 | Pins 2 & 5 closed |
+------------------------------------------------------------+