RAD Data comm E1 Manual de usuario descargar pdf (Pagina 39)

Standalone FOM-E1/T1 A-1

Appendix A

Interface Connector

Specifications

A.1 Standalone FOM-E1/T1

DB-15 Connector

Balanced E1/T1 interface terminates in DB-15 female connector, which also serves

as an alarm relay. Table A-1 describes the DB-15 pins that serve for the E1/T1

connection. Table A-2 describes the DB-15 pins that serve for the alarm relay.

Table A-1. DB-15 Pin Assignment, E1/T1 Pins

Pin Designation Function

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)

Table A-2. DB-15 Pin Assignment, Alarm Relay Pins

Pin Contact Alarm Type

7, 8 Normally Closed

15, 8 Normally Open

Minor

5, 6 Normally Closed

13, 6 Normally Open

Major

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 45 46

Sin comentarios

RAD Data comm E1 Manual de usuario Pagina 39