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Raisecom
iTN2100 (P100R002) Hardware Description
14 EOS cards
Raisecom Technology Co., Ltd.
124
14.3.3 Interfaces
Interface types
There are four interfaces on the OPCOM3500E-4EOS-4FX panel, as listed in Table 14-10.
Table 14-10
Interfaces on the OPCOM3500E-4EOS-4FX panel
Interface
Type
Description
1–4
1×9 optical interface
Each interface transmits a way of Ethernet optical
signals.
TX indicates sending and RX indicates receiving.
Interface parameters
Table 14-11 lists parameters of interfaces 1–4 on the OPCOM3500E-4EOS-4FX.
Table 14-11
Parameters of interfaces 1–4 on the OPCOM3500E-4EOS-4FX
Parameter
Description
Connector type
1×9 optical interface
Interface rate
100 Mbit/s
Maximum supported frame length
1632 Bytes
Flow control
Full duplex: IEEE 802.3x-based flow control
Half duplex: back-pressure flow control
14.3.4 LEDs
There are 11 LEDs on the OPCOM3500E-4EOS-4FX panel, as listed in Table 14-12.
Table 14-12
LEDs on the OPCOM3500E-4EOS-4FX panel
Interface
Status
Description
PWR
Green
Power LED
Green: the power supply is normal.
Off: the power supply is abnormal.
SYS
Green
System status LED
Green: the system is working improperly.
Off: the system is working improperly.
Blinking green: the system is working properly.
ALM
Red
Alarm LED
Red: TU-AIS or TU-LOP alarm are generated in VC-12.
Off: no TU-AIS or TU-LOP alarm are generated in VC-12.