Phoenix G2 IDU User Manual OVERVIEW
SAF Tehnika JSC
23
E1/T1 EMM module front panel alarm LED indications:
LED name
Description
STATUS
Orange –
OK, module enabled, proper communication with the IDU
Orange blinks –
WARNING, module is not enabled in the system or no
communication with IDU, or configuration is not finished yet
Off
– ERROR, firmware is not loaded into EMM module HW
POWER
Green –
power supply is OK
Off
– no power supply
SFP 1/2 LINK
Orange blinks –
signal detected and synchronized, valid communication
with the IDU
Off –
no correct signal detected
E1/T1 STATUS
LINK:
Green –
E1/T1 signal detected at the port
Off
– no link at the port
AIS (Alarm Indication Signal):
Orange
– AIS signal detected
Off
– no AIS on the port
The position and indexing of 16 E1 user ports indicates the legend below:
Figure 1.24
Indexing of E1/T1 ports
The legend of e1/t1 port pins is following:
Pin1 – Rx-
Pin2 – Rx+
Pin4 – Tx-
Pin5 – Tx+
All the E1/T1 ports are protected against ESD (electrostatic discharge), CDE (Cable Discharge
Events), and lightning.
In the case of connecting 16E1 balanced RJ-45 interface to customer’s unbalanced BNC E1
interface ports the following cable must be used:
Figure 1.25
Cable for interconnecting to unbalanced E1/T1 CPE
