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Appendix A Indicators 115
Reference for Passport 4460 Hardware
Serial Port Indicator
The serial port indicator verifies the status of your WAN, frame relay DCE, or
legacy data connection. The indicator is tri-colored. The following illustration
shows the location of the serial port indicator.
Refer to the chart below for definitions of the P1 serial port indicator functions on
the Passport 4460 unit. Note that the first chart is for sync applications, and the
second chart is for async.
Note:
For WAN: Use the WAN definitions/LED codes, as previously
described, for the WAN configuration you are using.
Indicator Status
Definition
Off
No connection or cable sensed
Red - slow flash
Channel in loopback or diagnostic mode
Red - rapid flash
(not defined)
Red - solid
Channel fails self-test diagnostics
Yellow - slow flash
EIA controls present, level 2 sync (flags) acquired
Yellow - fast
flickering
(not defined)
Yellow - solid
Physical layer 1, EIA controls present, no layer 2 flags, no sync
Green - slow flash
(not defined)
Green/yellow - fast
flash
Link up, sync acquired, data activity
Green - solid
Sync channel connection established through the network
EXPANSION
2
P
O
R
T
2
P
O
R
T
3
PORT 1
P1 STATUS
P3 STATUS
P2 STATUS
RST
STAT
10/100
SYSTEM
STATUS
P1 Serial Port
Indicator
Содержание Passport 4460
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Страница 16: ...16 Contents 205677 F Rev 00...
Страница 40: ...40 Chapter 1 The Passport 4460 Unit 205677 F Rev 00...
Страница 80: ...80 Chapter 3 Expansion Modules 205677 F Rev 00...
Страница 94: ...94 Chapter 6 Cables 205677 F Rev 00...
Страница 128: ...128 Appendix A Indicators 205677 F Rev 00...
Страница 148: ...148 Appendix C Voice Module Specifications 205677 F Rev 00...
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