Sw2 Ber Options - AT&T MERLIN LEGEND Installation & Maintenance Manual

Installation
Bit-Error Rate Threshold Option
DIP switch SW2 can be set to alarm at bit-error rate (BER)
threshold Ievels between 10
Table 3-7 shows the settings for SW2 for the various thresholds.
Table 3-7

SW2 BER Options

Position 10-4
1 up
2
u p
3 u p
4
up
5
6
7
8
–4
and 10
Threshold Option
10-5 10-6 10-7
down up
down
up
up
up
up
up
not used (up)
not used (up)
not used (up)
up = non-latching mode; down = latching mode
-9
or can be disabled.
10-8 10-9
down
down up
down up up
down down
up
up
up up
Channel Service Unit 3-27
Disable
down
up
up
down