Data sheet – Procom 4 DAV User Manual
Page 4
Data Sheet
4 DAV
Date:
21.04.2010 Page:
4/5 Author:
NB
Document-No.:
DB_4DAV_ 2302_02
© 2008 ProCom, All rights and technical changes reserved
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