Data sheet – Procom 4 DAV User Manual

Page 4

Data Sheet

4 DAV

Date:

21.04.2010 Page:

4/5 Author:

Document-No.:

DB_4DAV_ 2302_02

Line card for 4 digital stations in 2 wire technique

The Symbols on the Front Panel and their Meaning:

The System Blinker
Addressing from processor taking place

I/O Input/Output

BUS output works as push-push operation with the system blinker
BUS input works as push-pull operation with the system blinker

Sending/Receiving

(depending on the set)

LED lit:

4DAV sending to subscriber

LED

blinking:

4DAV receiving from subscriber

LED blinking slowly: modem connection disrupted

Fuses

(depending on set)

LED on:

Both fuses OK

LED flashing 1x:

2-wire fuse (front panel) defect

LED flashing 2x:

4-wire fuse (circuit board) defect

LED flashing 3x:

Both fuses defect