System information
Chapter 1 Introduction RADview-EMS ASMi-52 User’s Manual
1-4 Overview of the ASMi-52 Device
Table 1-2. ASMi-52 LEDs (Cont.)
Name Function Location
SYNC
(green/red)
or
SYNC A
(green/red)
The SYNC LED is for 2W modems
The SYNC A LED is for 4W modems
• ON (red) – Snyc Line A operation state is IDLE,
BOOTUP_LOAD, or BOOTUP_LOAD_DONE
• Blinking (red) – Snyc Line A operation state is
HANDSHAKE_OP
• Blinking (green) – TRAINING_OP and FRAMER_SYNC
• ON (green) – Snyc Line A operation state is DATA
Front panel
SYNC B
(green/red)
The SYNC B LED is only applicable for 4W modems
• ON (red) – Snyc Line B operation state is IDLE,
BOOTUP_LOAD, or BOOTUP_LOAD_DONE
• Blinking (red) – Snyc Line B operation state is
HANDSHAKE_OP
• Blinking (green) – TRAINING_OP and FRAMER_SYNC
• ON (green) – Snyc Line B operation state is DATA
Front panel
AIS (yellow)
or
YELLOW
(yellow)
The AIS LED is applicable only for the E1 interface
• ON – AIS received
• OFF – No AIS received
The YELLOW LED is applicable only for the T1 interface
• ON – Yellow alarm
• OFF – No Yellow alarm
Front panel
E1 SYNC /
T1 SYNC (red)
or
DATA (yellow)
The E1 SYNC / T1 SYNC LED is only applicable for an E1/T1
interface
• ON (red) – E1/T1 is not synchronized
• OFF – E1/T1 is synchronized
The DATA LED is not applicable for an E1/T1 interface
Blinking (yellow) – Data is being received or transmitted via the
DTE interface
OFF – No data
Front panel
ALM (red) ON (red) – An alarm exists
OFF – No data
Front panel