ADTRAN
TSU
Card Type | T1 DSU/CSU |
Chip Set | Unidentified |
I/O Options | V.35 DTE port, test jack - in, test jack - out, RJ-48 control ports (2), T1 network interface via RJ-48, power |
Maximum Data Rate | 1.544Mbps |
Line Coding | AMI, B8ZS |
Framing | D4, ESF |
Data Bus | External |

CONNECTIONS | |||
Function | Label | Function | Label |
T1 network port (RJ-48) | CN1 | Control port - chain out (RJ-48) | CN6 |
Test jack - in | CN2 | V.35 DTE port | CN7 |
Test jack - out | CN3 | Power | CN8 |
Test jack - monitor | CN4 | Power switch | SW1 |
Control port - chain in (RJ-48) | CN5 | ||
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
PWR | Unidentified | On | Power is on |
PWR | Unidentified | Off | Power is off |
ERR | Unidentified | On | Error has been detected within 1 second |
ERR | Unidentified | Off | Error has not been detected within 1 second |
ALM | Unidentified | On | Alarm condition detected on network |
ALM | Unidentified | Off | Alarm condition not detected on network |
LB | Unidentified | On | Device is conducting a loopback test |
LB | Unidentified | Off | Device is not conducting a loopback test |
TD | Unidentified | On | DTE data is being transmitted |
TD | Unidentified | Off | DTE data is not being transmitted |
RD | Unidentified | On | DTE data is being received |
RD | Unidentified | Off | DTE data is not being received |
RS | Unidentified | On | RTS signal high |
RS | Unidentified | Off | RTS signal low |
CS | Unidentified | On | CTS signal high |
CS | Unidentified | Off | CTS signal low |