Summary of Bypass Card Lights
For a description of the functions of the bypass card, see "SSA Bypass Cards" on
page 41.
Link Status (Ready) Light (one for each port):
Status of Light
Off
Permanently on
Flashing
Mode Light (two-colored LED):
Status of Light
Permanently on
(Amber)
Permanently on
(Green)
Off
Optical Extender Lights
Power light: This light is on when the +5-volt input is present.
Receive light: This light, when on, shows that light is being received at the input
connector of the optical extender. The received light might not be a valid SSA signal.
If you have problems with the optical extender go to "MAP 2330: 7133 Models D40 and
T40 – Optical Extender" on page 109.
Displaying Link Problems
If SSA service aids, 7133 service aids, or both, are available, you can use them to
show whether the SSA loop is broken. For an example, see Displaying Link and Power
Problems in the "Additional Information" appendix (in this book) for your using system.
136
7133 Models D40 and T40 Service Guide
Meaning
One of the following:
v The path through this port is not operational.
v The card is switched into Bypass state (mode light shows amber).
v The card is jumpered for Forced Inline mode (mode light shows green).
The path through this port is operational.
The path through this port is not operational.
Meaning
The bypass card is switched to Bypass state.
The bypass card is jumpered for Forced Inline mode.
The bypass card is switched to Inline state.