PATTON ELECTRONICS COMPANY
2450
|
Card Type |
CSU/DSU |
|
Chip Set |
Unidentified |
|
I/O Options |
Power, DTE/DCE serial port, network interface via RJ-48 connector |
|
Maximum Data Rate |
64Kbps |
|
Data Bus |
External |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
Power connector |
CN1 |
Network interface via RJ-48 connector |
CN3 |
|
DTE/DCE port (quick connect module) |
CN2 | ||
|
Note: Quick connect serial interface module can be configured as a V.24/RS-232, V.35, RS422/530, or X.21 port. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
| » |
Circuit assurance disabled. Transmitter and CTS will operate independent of receiver state |
S1/3 |
Off |
|
Circuit assurance enabled. CTS will go low and the transmitter will be held off if the receiver is in the No signal state or CD is low |
S1/3 |
On | |
| » |
RTS forced high |
S1/4 |
On |
|
RTS follows DTE signal |
S1/4 |
Off | |
| » |
56Kbps mode |
S1/5 |
Off |
|
64Kbps mode |
S1/5 |
On | |
| » |
Front panel switches enabled |
S1/6 |
Off |
|
Front panel switches disabled |
S1/6 |
On | |
| » |
Modem ignores loopback requests from DTE |
S1/7 |
On |
|
Modem responds to local analog loopback requests from DTE |
S1/7 |
Off | |
| » |
Modem ignores loopback requests from remote |
S1/8 |
On |
|
Modem responds to loopback requests from remote |
S1/8 |
Off | |
|
TRANSMIT CLOCK SOURCE | |||
|
Source |
S1/1 |
S1/2 | |
| » |
Transmit clock derived from receive line signal. Dedicated DDS operation |
Off |
On |
|
Transmit clock derived from receive line signal. Allows remote device to initiate loopback. |
On |
On | |
|
Transmit clock generated internally |
Off |
Off | |
|
Transmit clock derived from terminal interface |
On |
Off | |
|
LOOPBACK TEST SELECTOR | ||
|
Function |
Label |
Position |
|
Remote digital loopback initiated |
SW4 |
1 |
|
Normal operation. Loopback not activated |
SW4 |
2 |
|
Activates local analog loopback |
SW4 |
3 |
|
TEST PATTERN GENERATOR | ||
|
Function |
Label |
Position |
|
511/E test pattern transmitted (intentional errors inserted) |
SW5 |
1 |
|
Normal operation. Test pattern not activated |
SW5 |
2 |
|
511 test pattern transmitted |
SW5 |
3 |
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
TD |
Red |
On |
Data is being transmitted (low logic level, device idle) |
|
TD |
Green |
On |
Data is being transmitted (high logic level) |
|
TD |
None |
Off |
Data is not being transmitted |
|
RD |
Red |
On |
Data is being received (low logic level, device idle) |
|
RD |
Green |
On |
Data is being received (high logic level) |
|
RD |
None |
Off |
Data is not being received |
|
CD |
Green |
On |
Carrier signal detected |
|
CD |
Red |
On |
Carrier signal not detected |
|
NS |
Red |
On |
No valid carrier |
|
NS |
Red |
Off |
Valid signal detected from remote modem or digital service provider |
|
ER |
Red |
On |
Bit error likely in received signal or error detected in the test pattern |
|
ER |
Red |
Off |
Error not detected |
|
TM |
Red |
On |
Device has been placed in test mode by local or remote user |
|
TM |
Red |
Off |
Device is not conducting a test |
