ALPHA TELECOM, INC.
SUPER NT1
Card Type | Network Terminator |
Chip Set | Unidentified |
I/O Options | Power, telephone line via RJ-11 (2), ISDN S/T interface via RJ-45 (2), ISDN BRI U interface via RJ-45 or RJ-11 |
BRI Transfer Rate | 64Kbps x 2 |
T1 Transfer Rate | 1.44Mbps |
Frame Type | AMI, 2B1Q |
Data Bus | External |

CONNECTIONS | |||
Function | Label | Function | Label |
Power Jack | CN1 | ISDN S/T interface via RJ-45 connector | CN4 |
Telephone line 1 | CN2 | ISDN S/T interface via RJ-45 connector | CN5 |
Telephone line 2 | CN3 | ISDN BRI U interface | CN6 |
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
PWR | Green | On | Power is on |
PWR | Green | Off | Power is off |
BATT | Red | On | Backup battery is charging |
BATT | Red | Off | Battery is charged |
ERR | Red | On | ISDN network connection is broken |
ERR | Red | Blinking | Synchronization error occurring on ISDN line |
ERR | Red | Off | Line error not detected |
LPBK | Yellow | On | Phone company initiated loopback test is in progress |
LPBK | Yellow | Off | Loopback test not in progress |
TEL1 | Green | On | Telephone line 1 is active |
TEL1 | Green | Off | Telephone line 1 is inactive |
TEL2 | Green | On | Telephone line 2 is active |
TEL2 | Green | Off | Telephone line 2 is inactive |