Data sheet – Procom NSA-PL User Manual

Page 3

Date:

12.06.2012

Page: 3/4

Author: HS

DB Document-No.: DB_NSA-PL_ 2304_06

Data Sheet

NSA-PL
Line card for SOS Line interconnection in 6 wire technique

In SOS Line (PL) Application, the overall number of call station depends on the
characteristic of the transmission medium, the spacing between the call stations and
the operation mode.
Typical values are as follows:

No. of WPS-PL
(Active / Idle)

Spacing
[m]

Wire diameter
[mm]

No. Of wires

Max. PL
length [km]

8 (1 / 7)

500

0.9

3 x 2

15 (1 / 14)

500

0.9

4 x 2

7,5

26 (1 / 25)

500

0.9

3 x 4

26 (1 / 25)

500

1.2

4 x 2

The Symbols on the Front Panel and their Meaning:

The System Blinker
Addressing from processor taking place

Sending/Receiving (depending on the set)

LED lit:

NSA-PL sending to subscriber

LED blinking:

NSA-PL receiving from subscriber

LED blinking slowly: Modem connection disrupted

Fuse

LED on:

Fuse OK

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