Samsung iDCS 500 Manual page 25
Printed circuit cards
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Also See for iDCS 500:
- Programming manual (533 pages) ,
- User instruction (140 pages) ,
- Technical manual (137 pages)
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3-24
Chapter 3
Installing Printed Circuit Cards
TEPRI LED DEFINITIONS
LED Name
SYN
LOS
AIS
L2
IPC
CLK
MODE
Function
Synchronization Loss. Indicates wander or loss of
framing.
Loss of Signal. No PCM Clocking is being received.
Alarm Indicating Signal. Indicating that all one's
are being received.
Layer 2 is active. PRI messaging is being received.
IPC link set up.
Card clock status.
LED's TP1 & TP2 show the span type
E1 mode
E1 PRI mode
T1 mode
T1 PRI mode
Figure 3-18 TEPRI Card
Status
Normal Status
Error Status
OFF
ON
OFF
ON
OFF
ON
ON
OFF
OFF / IPC link set up
OFF/CARD is secondary source
ON card is primary source.
TP1
TP2
OFF
OFF
OFF
ON
ON
OFF
ON
ON
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