RAD DATA COMMUNICATIONS
AMCD-T1 (X.21)
Card Type | T1 CSU/DSU |
Chip Set | Unidentified |
I/O Options | AC power connector, 15-pin connector (X.21), 9-pin serial ports (2 RS-232), T1 network interface (RJ-48) |
Wiring Type | RJ-48 100ohm shielded twisted pair |
T1 Transfer Rate | 1.544Mbps |
T1 Protocol | AMI, B8ZS, B7ZS |
Frame Type | ESF |
Data Bus | External |
CONNECTIONS | |||
Function | Label | Function | Label |
AC power connector | CN1 | Network port via RJ-48 connector | CN4 |
DTE serial port 1 | CN2 | DCE serial port 2 | CN5 |
15-pin data port | CN3 | Power switch | SW2 |
USER CONFIGURABLE SETTINGS | |||
Setting | Label | Position | |
» | Watchdog timer enabled | JP6 | Pins 1 & 2 closed |
Watchdog timer disabled | JP6 | Pins 2 & 3 closed | |
» | Signal ground is connected to the frame ground | JP16 | Pins 2 & 3 closed |
Signal ground is not connected to the frame ground | JP16 | Pins 1 & 2 closed | |
User password enabled | S1/1 | Off | |
» | Default password enabled. Password=AMCD | S1/1 | On |
» | Loads user-selected parameters from NVRAM on power-up | S1/2 | Off |
Loads default parameters stored in its EPROM on power-up | S1/2 | On | |
» | Factory configured - do not alter | S1/3 | Off |
» | Factory configured - do not alter | S1/4 | Off |
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
TD | Unidentified | On | DSU/CSU is transmitting data |
TD | Unidentified | Off | DSU/CSU is not transmitting data |
RD | Unidentified | On | DSU/CSU is receiving pulses from network |
RD | Unidentified | Off | DSU/CSU is not receiving pulses from network |
RED | Unidentified | On | DSU/CSU is detecting a red alarm condition on T1 network |
RED | Unidentified | Off | DSU/CSU is not detecting a red alarm condition on T1 network |
YEL | Unidentified | On | DSU/CSU is detecting a yellow alarm condition on T1 network |
YEL | Unidentified | Off | DSU/CSU is not detecting a yellow alarm condition on T1 network |
ALM | Unidentified | On | Alarms are being stored in alarm buffer |
ALM | Unidentified | Off | No alarms are in alarm buffer |
TST | Unidentified | On | Loopback test active |
TST | Unidentified | Off | Loopback test not running |