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Packet over SDH (POS)
Adding POS Alarms
Adding POS Alarms
Description
In the OmniBER receiver the front panel HDLC LOSS LED illuminates whenever
there are no valid HDLC frames and no HDLC flags. The HDLC LINK LOSS alarm
provided here allows you to simulate the condition when no valid HDLC frames/
flags are present.
How To
1 This procedure assumes you have already selected a POS payload on the MAIN
SETTING page, see "Setting up the Transmitter for POS Payloads" page 185
2
3 Select the
4 Set the TEST FUNCTION field to POS.
5 Set the ALARM TYPE field to
Selecting
value 0x81 in all octets.
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Press the
TRANSMIT
key and select
TEST FUNCTION
logically inverts the 7E hex flag by transmitting the
LINK LOSS
SDH
.
folder as shown.
or
.
OFF
LINK LOSS
195
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