RAD Data comm T1 Manuel D’Utilisation

 

Standalone FOM-E1/T1 

A-1 

Balanced E1/T1 interface terminates in DB-15 female connector, which also serves 
as an alarm relay. 

 describes the DB-15 pins that serve for the E1/T1 

connection. 

 describes the DB-15 pins that serve for the alarm relay. 

3 

Send Data (TTIP) 

Transmit Data, A-wire 

(FOM-E1/T1 output) 

11 

Send Data (TRING) 

Transmit Data, B-wire 

(FOM-E1/T1 output) 

1 

Receive Path (RTIP) 

Receive Data, A-wire 

(FOM-E1/T1 input) 

9 

Receive Path (RRING) 

Receive Data, B-wire 

(FOM-E1/T1 input) 

7, 8 

Normally Closed 

15, 8 

Normally Open 

Minor 

5, 6 

Normally Closed 

13, 6 

Normally Open 

Major