Chapter 3 Expansion Modules 73
Reference for Passport 4460 Hardware
The 6-Port Serial Data Expansion Module has two indicator lights per channel
(green = TX indicator; yellow = RX indicator).
For additional information, see the following:
•
•
Chapter 7, “Port Connections for the Passport 4460
•
Appendix B, “Regulatory Compliance and Telephone Company
Requirements
After the modules are in place and the system is operating, refer to the software
documentation for configuration information (see
).
Status
Definition
Green
•
Off = no connection
•
Flickering = data transmit
•
Solid = link up, sync acquired, frame relay up (level 2)
Yellow
•
Off = no connection
•
Slow flash = line in loopback or diagnostic mode
•
Flickering = receive data
•
Solid = physical link up, no layer 2 flags (frame relay level not
up)
Note:
If you need to replace an installed 6-Port Serial Data Expansion
Module with a different type of module (such as a 2-Port Serial Data
Expansion Module), refer to
“Replacing Hardware Modules” on page 39
for important requirements and instructions.
Содержание Passport 4460
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