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

flas h wh e n t he termin al is idle and light s green at the time of call set-up.

LAMP NAME COLOR DESCRIPTION

OPE Gree n Rem ains lit while the cir cuit card is oper ating.
N-OPE Red Remains lit while the circuit card is in make-busy state.
BL n1
(n=0-7)
Gr een Li g ht s green w he n B1 cha n nel i s being access ed a nd i n operation.
Flash (60IPM) The corresponding channe l is in m ake- b u s y state.
OFF The corres ponding channel is idle.
BL n2
(n=0-7)
Gr een Li g ht s green w he n B2 cha n nel i s being access ed a nd i n operation.
Flash (60IPM) The corresponding channe l is in m ake- b u s y state.
OFF The corres ponding 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 e stablished.
PW R n
(n=0-7) Red Lights red when overvoltage protection function for the corresponding
cir cu it i s act i vate d; t h e 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.