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CHAPTER 3 NDA-24296
Page 512
Revision 1.0
PA-8ILCE-A
ISDN Terminal Line Circuit
4. Lamp Indications
The contents of lamp indications on the circuit card are shown in the table below.
Note:
Depending on the type of the connected ISDN terminal, whose Layer2 is not always active, this lamp may
flash when the terminal is idle and lights green at the time of call set-up.
LAMP NAME COLOR DESCRIPTION
OPE Green Remains lit while the circuit card is operating.
N-OPE Red Remains lit while the circuit card is in make-busy state.
BL n1
(n=0-7)
Green Lights green when B1 channel is being accessed and in operation.
Flash (60IPM) The corresponding channel is in make-busy state.
OFF The corresponding channel is idle.
BL n2
(n=0-7)
Green Lights green when B2 channel is being accessed and in operation.
Flash (60IPM) The corresponding channel is in make-busy state.
OFF The corresponding channel is idle.
LYR n
(n=0-7)
Green
Remains lit while Layer2 of the corresponding channel is active.
Note
Flash (120IPM)
Flashes while Layer1 synchronization of the corresponding channel is
established.
OFF Layer1 and/or Layer2 have not been established.
PWR n
(n=0-7)
Red
Lights red when overvoltage protection function for the corresponding
circuit is activated; the corresponding line is short-circuited.
PKT
Green Lights green when D channel Packet is in operation.
OFF Remains off when D channel Packet is not in operation.