Specifications

RADring
Installation & Operation Manual Operation
3/11/98 12:28 Diagnostics and Troubleshooting 4-3
These modules have PWR, MNG and PORT LEDs. The common set of LED
port conditions utilized by the lobe modules are presented in Table 4-2.
Table 4-2 Lobe Module LED Port Conditions
LED Port Condition Meaning
Continuously ON Station inserted into ring
Continuously OFF Station bypassed
Blinking Port disabled by management
In addition, the active TL-4 modules (TL-4/AU, TL-4/ASU, TL-4/AS,
TL-4/ASD) have 4M and 16M LEDs, indicating data rate configured for
operation. The TL-2/ED modules (TL-2/EDS, TL-2/EDU, TL-2/EDSU) have a
TLR LED, indicating operating mode.
Port LED does not light (station bypassed):
A workstation is automatically bypassed whenever:
It becomes inactive
Its port connector is unplugged
Bit rate mismatching is detected
It receives disable command from RADview Network Management
•
Check if station is active
•
Check cable connections between station and lobe.
•
Make sure that the bit rate is correctly configured.
•
Do diagnostic test at stations side (TRIC) to see if any malfunction was
recorded.
Blinking Port LED (port disabled by management):
Check at management station to see any events indicating reason for port
disabled.
RI/RO Modules
Ring In/Ring Out Modules consist of the following
•
TCR
•
TFR
•
TIO
•
TFC