ALPHA TELECOM, INC.
UT620F
| 
 Card Type  | 
 ISDN NT1  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 I/O Options  | 
 Power, Terminal S/T interface via RJ-45 (2),Network U interface via RJ-45  | 
| 
 T1 Transfer Rate  | 
 1.44Mbps  | 
| 
 Frame Type  | 
 AMI, 2B1Q  | 
| 
 Data Bus  | 
 External  | 
| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 ISDN U interface (RJ-45)  | 
 CN1  | 
 ISDN S/T interface (RJ-45)  | 
 CN3  | 
| 
 ISDN S/T interface (RJ-45)  | 
 CN2  | 
 Power  | 
 CN4  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| » | 
 Extended passive bus  | 
 SW3  | 
 Off  | 
| 
 Short passive bus  | 
 SW3  | 
 On  | |
| 
 Local power supply set to AD62010  | 
 SW4  | 
 On  | |
| 
 Local power supply set to SP62029  | 
 SW4  | 
 Off  | |
| 
 S/T TERMINATION SELECTION  | |||||
| 
 Setting  | 
 SW1/1  | 
 SW1/2  | 
 JP3  | 
 JP4  | |
| » | 
 100Ohm resistance enabled  | 
 On  | 
 On  | 
 Open  | 
 Open  | 
| 
 50Ohm resistance enabled  | 
 On  | 
 On  | 
 Closed  | 
 Closed  | |
| 
 Resistance disabled  | 
 Off  | 
 Off  | 
 N/A  | 
 N/A  | |
| 
 DIAGNOSTIC LED(S)  | |||
| 
 LED  | 
 Color  | 
 Status  | 
 Condition  | 
| 
 PWR  | 
 Green  | 
 On  | 
 Power is on  | 
| 
 PWR  | 
 Green  | 
 Off  | 
 Power is off  | 
| 
 S/T&U  | 
 Red  | 
 On  | 
 U interface inactive  | 
| 
 S/T&U  | 
 Red  | 
 Blinking (fast)  | 
 U interface connection is being established  | 
| 
 S/T&U  | 
 Red  | 
 Blinking (slow)  | 
 U interface active; S/T interface inactive  | 
| 
 S/T&U  | 
 Red  | 
 Off  | 
 U & S/T interface active  | 
| 
 ULBK  | 
 Yellow  | 
 On  | 
 Central office is conducting a loopback test on device  | 
| 
 ULBK  | 
 Yellow  | 
 Off  | 
 Central office is not conducting a loopback test on device  |