PARADYNE CORPORATION
7510 DSU
| Card Type | DSU |
| Chip Set | Unidentified |
| I/O Options | DTE/DCE port, network interface via RJ-48, power jack, DTE port |
| Wiring Type | T1 via RJ-48
connector DIX transceiver via DB-15 port |
| Maximum Data Rate | 56Kbps (64Kbps full duplex or clear channel) |
| Data Modulation Protocol | DDS,LADS |
| Data Bus | External |
CONNECTIONS |
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Function |
Label |
Function |
Label |
| Power Jack | CN1 |
DTE port (V.35 connector) | CN3 |
| DTE/DCE port (25-pin serial connector) | CN2 |
Network interface via RJ-48 connector | CN4 |
DIAGNOSTIC LED(S) |
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LED |
Color |
Status |
Condition |
OK |
Green |
On |
DSU power is on |
OK |
Green |
Off |
DSU power is off, performing a self test, or detecting a system failure |
ALM |
Red |
On |
DSU has detected an alarm condition |
ALM |
Red |
Off |
DSU has not detected an alarm condition |
TST |
Yellow |
On |
DSU is executing a test |
TST |
Yellow |
Off |
DSU is not executing a test |
DM |
Green |
On |
Data is being transmitted/received |
DM |
Green |
Off |
CMI codes are being received |
OOS |
Red |
On |
DSU is receiving an out of service code from remote unit |
OOS |
Red |
Off |
DSU is not receiving an out of service code from remote unit |
OOF |
Red |
On |
DSU is detecting an out of frame condition |
OOF |
Red |
Off |
DSU is not detecting an out of frame condition |
NS |
Red |
On |
Carrier signal not detected |
NS |
Red |
Off |
Carrier signal detected |
TXD |
Green |
On |
Receiving all zeros from the DTE |
TXD |
Green |
Off |
Receiving all ones from the DTE |
TXD |
Green |
Blinking |
Data is being transferred |
RXD |
Green |
On |
Transmitting all zeros from the DTE |
RXD |
Green |
Off |
Transmitting all ones from the DTE |
RXD |
Green |
Blinking |
Data is being transferred |
RTS |
Green |
On |
RTS signal is high |
RTS |
Green |
Off |
RTS signal is low |
CTS |
Green |
On |
CTS signal is high |
CTS |
Green |
Off |
CTS signal is low |
DTR |
Green |
On |
DTR signal is high |
DTR |
Green |
Off |
DTR signal is low |