Trilogy Communications Commander - Page 29

Commander Installation Guide
Issue 9.1
Trilogy Communications Limited
Page 29 of 81
3.4.5.3 500-25 Network Card Indicators and Switches
Reset
8 way DIP Switch
1
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8
1
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13
LED
Legend
Activity
Function
D8
+5V
On
+5V
D1
1
1Hz
DSP 1 OK
D2
2
2Hz
DSP 2 OK
D6
RESET
Off
Reset
D3
NO E1 CLK
Off if net available
No E1 Clock
D9
TDM D
Off when started
TDM Disabled
D10
1 DIS
Off when started
DSP Disabled (TDM)
D11
BUSY
Quick flash
TDM Busy
D12
COM1
Quick flash
DSP Comms (TDM)
D13
E1 DIS
Off if data available
E1 Disabled
D14
2 DIS
On when E1 down
NET DSP Disabled
D15
BUSY
On when buffers full
NET DSP Busy
D16
COM2
Unused
NET DSP Comms
LED
Legend
Activity
Function
D17
1
1Hz
DSP 1 & 2 sync’d
D18
2
On when full
IN Buffer full
D19
3
On when full
OUT Buffer full
D20
4
On during start then off
E1 clk & event off
command
D21
5
On
Possible RX Data loss
D22
6
On if clk missing
E1 Clock off
D23
7
Normally toggles
Receiving H IP Data
D24
8
Normally toggles
Transmitting H IP Data
DIP Switch Functions
Sw
Function
Default
Note
1
Cable Match
OFF=
CAT 5
ON = Co-ax
2
Cable Length
ON =
norm
OFF = “long”
3
undefined
4
undefined
5
undefined
6
UART IN
OFF
7
UART OUT
OFF
8
ERR CORR
OFF
• D1 and D2 will, under normal operation, flash at 1Hz and 2Hz respectively. If
there is a problem during start-up, one or both LEDs will flash considerably
faster.
• D13 should be on under normal operating conditions. The LED turns off when
data comes in from a remote link but the off duration is very short and not
visible. It is therefore only useful to show an error condition.
• D20 is turned on just after power-up then turned off under TDM control shortly
afterwards. The LED is also on during a TDM reconfiguration process. The state
of the LED is duplicated on a remote 500-25 if connected directly.