PARADYNE CORPORATION
7110 T1 DSU/CSU
Card Type | DSU/CSU |
Chip Set | Unidentified |
I/O Options | DTE/DCE port (2 RS-232), network interface via RJ-48 connector, power jack, DTE port, monitor connector |
Wiring Type | RJ-48 T1 |
Maximum Data Rate | 56Kbps (64Kbps full duplex) |
Data Bus | External |

CONNECTIONS | |||
Function | Label | Function | Label |
Power Jack | CN1 | Network interface via RJ-48 connector | CN5 |
DTE/DCE port (25-pin serial connector) | CN2 | Monitor connector - line in | CN6 |
DTE/DCE port (25-pin serial connector) | CN3 | Monitor connector - line out | CN7 |
DTE port (V.35 connector) | CN4 | ||
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
OK | Green | On | DSU/CSU power is on |
OK | Green | Off | DSU/CSU power is off, performing a self test, or detecting a system failure |
FAIL | Red | On | DSU/CSU is performing a self test, or detecting a system failure |
FAIL | Red | Off | DSU/CSU is not performing a self test, or detecting a system failure |
TST | Yellow | On | DSU/CSU is executing a test |
TST | Yellow | Off | DSU/CSU is not executing a test |
SIG | Yellow | On | A recoverable signal is detected on network |
SIG | Yellow | Off | Network signal can not be recovered. A loss of signal condition exists |
OOF | Yellow | On | DSU/CSU is detecting an out of frame condition |
OOF | Yellow | Off | DSU/CSU is not detecting an out of frame condition |
ALM | Yellow | On | DSU/CSU has detected an alarm condition on network |
ALM | Yellow | Off | DSU/CSU has detected an alarm condition on network |
EER | Yellow | On | Excessive error rate threshold has been exceeded on network |
EER | Yellow | Off | Excessive error rate threshold has not been exceeded on network |
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 |