PARADYNE CORPORATION
ACCULINK 3165 DSU/CSU
Card Type | DSU/CSU |
NIC Type | T1 |
Chip Set | Unidentified |
I/O Options | DTE port, network interface via RJ-45 connector, modem port test jacks (2), power jack, communications port |
Maximum Modem Rate | 2400bps |
Data Modulation Protocol | V.22 |
Wiring Type | RJ-48 120ohm shielded twisted pair |
Maximum Data Rate | 56Kbps (64Kbps full duplex) |
Data Bus | External |

CONNECTIONS | |||
Function | Label | Function | Label |
Test jack - line in | CN1 | Communication port | CN5 |
Test jack - line in | CN2 | Modem port via RJ-11 | CN6 |
Power Jack | CN3 | Network interface via RJ-45 connector | CN7 |
DTE port (25-pin serial connector) | CN4 | ||
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
OK | Green | On | DSU/CSU power is on |
OK | Green | Blinking | DSU/CSU is downloading software |
OK | Green | Off | DSU/CSU power is off or detecting a system failure |
FAIL | Yellow | On | Error has been detected on network |
FAIL | Yellow | Off | Error has not been detected on network |
FAIL | Yellow | Blinking | DSU/CSU is conducting a self test |
TST | Yellow | On | DSU/CSU is executing a test |
TST | Yellow | Off | DSU/CSU is not executing a test |
SIG | Green | On | DSU/CSU is receiving a recoverable signal from network |
SIG | Green | Off | DSU/CSU cannot recover the signal from network |
OOF | Yellow | On | Out of frame condition detected on network |
OOF | Yellow | Off | Out of frame condition not detected on network |
ALM | Yellow | On | Alarm condition detected on network |
ALM | Yellow | Off | Alarm condition not detected on network |
EER | Yellow | On | Excessive error rate exceeded on network |
EER | Yellow | Off | Excessive error rate not exceeded on network |
DTR | Green | On | DTR signal is high |
DTR | Green | Off | DTR signal is low |
TXD | Yellow | On | Receiving all zeros from the DTE |
TXD | Yellow | Off | Receiving all ones from the DTE |
TXD | Yellow | Blinking | Data is being transferred |
RXD | Yellow | On | Transmitting all zeros from the DTE |
RXD | Yellow | Off | Transmitting all ones from the DTE |
RXD | Yellow | Blinking | Data is being transferred |
CTS | Yellow | On | CTS signal is high |
CTS | Yellow | Off | CTS signal is low |
RTS | Yellow | On | RTS signal is high |
RTS | Yellow | Off | RTS signal is low |