
13
4.3
BPF-BU Indicators (all units)
POWER – is ON when the unit is connected to power.
ACTIVITY – ON whenever data is transmitted from the unit.
LINE ERROR – not used
MODEM READY:
ON – Data Carrier Detect is present from the composite link
device indicating an active Frame Relay link.
SLOW CONTINUOUS FLASHING – The unit has lost
communication with the local frame relay network.
SLOW FLASHING 2 ON / OFF – The Leased Line Backup port is
active.
SLOW FLASHING 3 ON / OFF – The Dial Backup port is active.
OFF – Data Carrier Detect is not present from the composite
DSU/CSU indicating a problem with the composite link.
PORT 1 SETUP – is ON when the network management port
functions have been mapped to data port 1 by depressing the
front panel switch. To return these functions to the network
management port, depress the front panel switch again.
LOOPBACK – The loopback function is disabled in this product.
NOTE
The OPTION indicator on the BPF-6 / 14 BU is not used.