CTC Union FRM220-CCF20, Руководство пользователя

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Step 1. Open the bale clasp on the SFP module. Press the clasp
downward with your index finger.
Step 2. Grasp the SFP module between your thumb and index finger
and carefully remove it from the SFP cage.
Bale Clasp type SFP with bale open
LED Indicators
LED Color State Descriptions
PWR Green
On Power on
Off No power
Flash
1. Upgrade firmware
(On/Off 100ms)
2. Device is in disable
mode (On: 1 second,
Off: 4 seconds)
System Green
On Normal
Off System errors
Link Green
On
Link up and sync
Flash
Link up but sync loss
(On/Off 100ms)
Off Loss of signal
Alarm/
Test
Red
On
Link down, sync loss or
power error
Off Normal
Flash
Local loopback test or
loopback detected (On/Off
100ms)
CH1~4 Input
(I1, I2, I3, I4)
Green
On Active
Off
Not active
CH1~4 Output
(K1, K2, K3, K4)
Green
On Active
Off Not active