Specifications

MiRIC-E1, MiRIC-T1 Ver. 1.5 Configuration Alternatives 3-1
Chapter 3
Operation
3.1 Indicators
The front panel of the MiRIC-E1, MiRIC-T1 has two status LEDs. See Table 3-1 for
details.
Table 3-1. LED Indications
LED Possible Status
LINK (green) ON – Ethernet link is valid
OFF – No Ethernet link
LOS (red) ON – No E1/T1 signal is detected
OFF – Valid E1/T1 signal is detected
Certain equipment may cause the LINK LED to turn on before the E1/T1 cable has
been connected. This is normal.
3.2 Configuration Alternatives
DIP switch
MiRIC-E1, MiRIC-T1 framing mode and transmit clock source can be configured
manually via the DIP switch on the underside of the device, see Chapter 2.
Software control via I
2
C Interface
The MiRIC-E1, MiRIC-T1 has management capabilities including configuration,
status monitoring, and diagnostics via the SFP edge connector I
2
C interface. See
Chapter 4 for the full instruction set and message format.
Note