Raisecom iTN2100 User Manual

Raisecom
iTN2100 (P100R002) Hardware Description
18 64K crossconnection card
Raisecom Technology Co., Ltd.
202
18.1.3 LEDs
There are three LEDs on the OPCOM3500E-DXC-DS0 panel, as listed in Table 18-1.
Table 18-1 LEDs on the OPCOM3500E-DXC-DS0 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 alarms are generated.

Off: no TU-AIS or TU-LOP alarms are generated.
18.1.4 Alarms
Table 18-2 lists alarms of the OPCOM3500E-DXC-DS0.
Table 18-2 Alarms of the OPCOM3500E-DXC-DS0
Alarm
Cause
Level
E1 LOF alarm

The TX clock of the peer device fails.

The E1 connector of the peer device is improperly
connected; the attenuation of sent signals is over great.

The receiving reference clock of the card fails.
Critical
E1 AIS alarm

Timeslot of the backplane of VC12 corresponding to
the local E1 is faulty or improperly configured.

The E1 channel of the remote PDH device is faulty or
improperly configured.
Minor
E1 CRC alarm

The working mode of E1 in the peer or local device is
improperly configured.

CRC at the E1 sending side of the peer device is
disabled.

The TX clock of the peer device fails.

The E1 connector of the peer device is improperly
connected; the attenuation of sent signals is over great.

The receiving reference clock of the card fails.
Minor
E1 E-3/6 alarm

The working mode of E1 in the peer or local device is
improperly configured.

CRC at the E1 sending side of the peer device is
disabled.

The TX clock of the peer device fails.

The E1 connector of the peer device is improperly
connected; the attenuation of sent signals is over great.

The receiving reference clock of the card fails.
Minor

Raisecom iTN2100 Specifications

General

Brand	Raisecom
Model	iTN2100
Category	Network Hardware
Language	English