PATTON ELECTRONICS COMPANY
2500, 2510, 2520
| Card Type | DDS and Clear Channel (2500 and 2520 only), Switched 56 (2510 and 2520 only) CSU/DSU |
| Chipset | Unidentified |
| I/O Options | Serial control port |
| DSU Transfer Rate | 56Kbps |
| DSU Protocol | Unidentified |
| Switch Type | Unidentified |
| Data Bus | Serial |
CONNECTIONS |
|||
Function |
Label |
Function |
Label |
| V.24 serial port for control terminal | CN1 |
AC power in | CN5 |
| Line out | CN2 |
Test switch | SW3 |
| V.35 serial port | CN3 |
Test type switch | SW4 |
| V.24 serial port | CN4 |
Power switch | SW5 |
| Note: SW1 and SW2 are on the back of the board. | |||
USER CONFIGURABLE SETTINGS |
|||
Setting |
Label |
Position |
|
| » | CTS normal and transmitter may operate when not connected | SW1/4 |
Off |
| CTS forced low and transmitter disabled when not connected | SW1/4 |
On |
|
| » | RTS forced high | SW1/5 |
Off |
| RTS normal | SW1/5 |
On |
|
| » | Character length set to 10 bits | SW1/6 |
Off |
| Character length set to 11 bits | SW1/6 |
On |
|
| » | DSU operates in synchronous mode | SW1/7 |
Off |
| DSU operates in asynchronous mode | SW1/7 |
On |
|
| » | DSR forced low during local loopback test | SW1/8 |
Off |
| DSR forced high during local loopback test | SW1/8 |
On |
|
USER CONFIGURABLE SETTINGS (CON’T) |
|||
Setting |
Label |
Position |
|
| » | V.24 pins 18 and 21 or V.35 signals LL and RL have no function | SW2/4 |
Off |
| V.24 pins 18 and 21 or V.35 signals LL and RL trigger loopback tests | SW2/4 |
On |
|
| » | DSU does not force RTS low | SW2/7 |
On |
| DSU forces RTS low if RTS has been high for more than 30 seconds | SW2/7 |
Off |
|
LINE SPEED SELECTION |
||||
Setting |
SW1/1 |
SW1/2 |
SW1/3 |
|
| » | Controlled by software |
Off |
Off |
Off |
2400bps |
On |
On |
On |
|
4800bps |
On |
On |
Off |
|
9600bps |
On |
Off |
On |
|
19.2Kbps |
On |
Off |
Off |
|
56Kbps |
Off |
On |
On |
|
64Kbps |
Off |
On |
Off |
|
LOCAL SERIAL PORT SPEED SELECTION |
||||
Setting |
SW2/1 |
SW2/2 |
SW2/3 |
|
| » | Same as line speed |
Off |
Off |
Off |
2400bps |
On |
On |
On |
|
4800bps |
Off |
On |
On |
|
9600bps |
On |
Off |
On |
|
19.2Kbps |
Off |
Off |
On |
|
38.4Kbps |
On |
On |
Off |
|
CLOCK SOURCE SELECTION |
|||
Setting |
SW2/5 |
SW2/6 |
|
| » | Received signal |
Off |
Off |
Internal |
On |
On |
|
External |
On |
Off |
|
Switched 56 |
Off |
On |
|
| Note:Model 2500 does not support Switched 56 operation. | |||
RTS TO CTS DELAY SELECTION |
||||||
2400bps |
4800bps |
9600bps |
19.2Kbps |
56Kbps |
SW2/8 |
|
| » | 7.5 mS |
3.8 mS |
1.9 mS |
900 nS |
300 nS |
Off |
30 mS |
15 mS |
7.5 mS |
3.8 mS |
1.3 mS |
On |
|
DIAGNOSTIC LED(S) |
|||
LED |
Color |
Status |
Condition |
TD |
Red |
On |
DSU is transmitting binary 1 or is not transmitting |
TD |
Green |
On |
DSU is transmitting binary 0 |
RD |
Red |
On |
DSU is receiving binary 1 or is not transmitting |
RD |
Green |
On |
DSU is receiving binary 0 |
CTS |
Green |
On |
CTS signal is high |
CTS |
Green |
Off |
CTS signal is low |
CD |
Red |
Off |
Carrier signal not detected |
CD |
Green |
On |
Carrier signal detected |
DTR |
Green |
On |
DTR signal is high |
DTR |
Green |
Off |
DTR signal is low |
NS |
Red |
On |
Line connection is broken |
NS |
Red |
Off |
Line connection is good |
OS |
Red |
On |
Out Of Service signal detected |
OS |
Red |
Off |
Out Of Service signal not detected |
ER |
Red |
On |
Signal error detected |
ER |
Red |
Blinking |
Bipolar
variation or framing error detected |
ER |
Red |
Off |
No errors are detected |
TM |
Red |
On |
DSU is in test mode |
TM |
Red |
Off |
DSU is not in test mode |