Indicators
Passport 4400 Hardware Installation Manual
11-3
T1/E1 Status Indicators
Table 11-3. T1 Operational States
Table 11-4. T1/E1 Status Indicator Initialization States
Indicator
Function
State
Status
AT
System Status
Off
Initialization mode – see Table 11-4.
Green
Operational mode – see Table 11-4.
Flashing green
Download active.
XA
DSX-1 interface
alarm status
Off
Interface not active.
Flashing red
Red alarm – sync loss (an out of frame condition)
that lasts for more than 2.5 seconds.
Flashing amber
Yellow alarm – received from the remote node that
is currently in the red alarm state.
Flashing green
Alarm Indication Signal (AIS) – Transmitted to the
remote end when the T1 Access Module is in the
internal digital loopback state. When received from
the remote end, the T1 Access Module enters the
AIS alarm state.
Green
Interface operational.
XT
DSX-1 interface
test status
Red
Test in progress – XA shows test status.
Off
No test.
DA, DT, D1
and D2
Reserved for
future use
T1/E1 indicator
D2
D1
DT/2T
DA/2A
XT/1T
XA/1A
AT
Power Off
Off
Off
Off
Off
Off
Off
Off
Reset
Green
Green
Red
Off
Red
Off
Green
RAM Test
Off
Off
Off
Red
Off
Off
Off
Boot Checksum Test
Off
Off
Off
Off
Red
Off
Off
Download Required
Off
Off
Red
Off
Off
Off
Off
Downloading Code
Off
Off
Off
Off
Off
Off
FlashGrn
TAM Initialization
Off
Off
Off
Off
Off
Red
Off
Содержание Passport 4400 Series
Страница 1: ...Passport 4400 Hardware Installation Manual Part Number 800 1951 20 Rev A June 1998...
Страница 8: ...viii...
Страница 10: ...Hardware Installation Manual About this document About this document 2...
Страница 30: ...Introduction Passport 4400 Hardware Installation Manual 1 20...
Страница 58: ...Connecting the Expansion Modules Passport 4400 Hardware Installation Manual 4 12...
Страница 66: ...Ethernet Base Module and Interface Modules Passport 4400 Hardware Installation Manual 5 8...
Страница 94: ...Analog Voice Modules Passport 4400 Hardware Installation Manual 8 16...
Страница 104: ...T1 E1 and Digital Voice Modules Passport 4400 Hardware Installation Manual 9 10...
Страница 110: ...Power Supply Passport 4400 Hardware Installation Manual 10 6...
Страница 136: ...Cable Diagram Pin Assignments Passport 4400 Hardware Installation Manual A 20 Figure A 17 Coaxial Cable Female Male...
Страница 142: ...Index 4...
Страница 143: ......