PARADYNE CORPORATION
ACCULINK 3350 E1
Card Type | Network Termination Unit |
NIC Type | E1 |
Chip Set | Unidentified |
I/O Options | BNC connectors (2), auxiliary port (RJ-48), communication port (RJ-48), HDSL network interface via RJ-48 connector, test jacks (6), power jack 15-pin G.703 DTE port |
Maximum Data Rate | 2.048Mbps |
Data Bus | External |

CONNECTIONS | |||
Function | Label | Function | Label |
Test jack - Lp1 HDSL line | CN1 | Auxiliary port | CN8 |
Test jack - Lp2 HDSL line | CN2 | Communication port | CN9 |
Test jack - E1 line in | CN3 | 15-pin DTE port | CN10 |
Test jack - E1 line out | CN4 | HDSL network interface via RJ-48 connector | CN11 |
Test jack - E1 monitor In | CN5 | BNC connector - receive | RX |
Test jack - E1 monitor out | CN6 | BNC connector - transmit | TX |
Power Jack | CN7 | ||
USER CONFIGURABLE SETTINGS | ||
Setting | Label | Position |
Open shield connection established | SW1 | On |
Earth shield connection established | SW1 | Off |
120ohm balanced network interface selected | SW2 | In |
75ohm unbalanced network interface selected | SW2 | Out |
Note: SW1 must be on when using the 120ohm interface | ||
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
OK | Green | On | NTU power is on |
OK | Green | Blinking | NTU is downloading software |
OK | Green | Off | NTU power is off or detecting a system failure |
FAIL | Yellow | On | Device error has been detected |
FAIL | Yellow | Off | Device error has not been detected |
FAIL | Yellow | Blinking | NTU is conducting a self test |
TST | Yellow | On | NTU is executing a loopback or pattern test |
TST | Yellow | Off | NTU is not executing a test |
SIG1 | Green | On | NTU is receiving a recoverable signal from network on loop 1 |
SIG1 | Green | Off | NTU cannot recover the signal from network on loop 1 |
SIG2 | Green | On | NTU is receiving a recoverable signal from network on loop 2 |
SIG2 | Green | Off | NTU cannot recover the signal from network on loop 2 |
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 |
SIG | Green | On | A recoverable signal is being received from G.703 DTE port |
SIG | Green | Off | NTU cannot recover the signal from G.703 DTE port |
OFG | Yellow | On | Out of frame condition detected on G.703 DTE signal |
OFG | Yellow | Off | Out of frame condition not detected on G.703 DTE signal |
ALMG | Yellow | On | Alarm condition detected on G.703 DTE signal |
ALMG | Yellow | Off | Alarm condition not detected on G.703 DTE signal |
PDV | Yellow | On | A pulse density violation was detected (and corrected) on G.703 DTE signal |
PDV | Yellow | Off | A pulse density violation was not detected on G.703 DTE signal |
BPV | Yellow | On | A bipolar violation was detected (and corrected) on G.703 DTE signal |
BPV | Yellow | Off | A bipolar violation was not detected on G.703 DTE signal |