English
7XV5662-0AA00/GG
46
C53000-B1174-C134-8
Figure 11 assembly view: sideview
Display and operation
The CC-XG is equipped with four display elements and one control element. They are
located on the upper side of the housing (see Figure 10). The four LEDs are bicolour.
LED1, Error / Loop Mode
The LED directly signals the functioning of the life contact relay. For the LED to go off,
certain conditions must be met for X.21 or G.703.1 (see page 40). Additionally, this LED
signals the loop mode.
LED is permanently lit 'red': the device is in error mode.
LED flashes 'red': the device is in loop mode.
LED is off: the device is ready. There are no errors.
LED2, TxD
The LED "TxD" signals the transmit data from the network interfaces which are transmit-
ted to the protection device as FO-T.
Operating colour 'green': the device operates in synchronous mode.
Operating colour 'yellow': the device operates in asynchronous mode.
LED3, RxD
The LED "RxD" signals the receive data (FO-R) from the protection device which are to
be transmitted to the network interface.
Operating colour 'green': the device operates in synchronous mode.
Содержание 7XV5662-0AA00/GG
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