Fic-1Atm-Oc3 - H3C MSR Router Comware 5 Series Manual

Item
Interface cable
Supported services
Interface LEDs
Figure 123 FIC-1AT3 panel
Table 153 LED description
LED
LINK/ACT
LP/AL
Interface cables and the connection methods
For more information about T3 interface cables and the connection methods, see

FIC-1ATM-OC3

Introduction
The 1-port ATM 155 Mbps optical interface module (FIC-1ATM-OC3) provides the following
functions:
•
Two frame formats: SDH STM-1 and SONET OC-3
•
Scrambling in data transmission
•
Line clock (when working as DTE interface), and internal clock (when working as DCE
interface)
•
Three test measures: local cell loopback, local payload loopback and remote loopback
Description
E3/T3 cable (75-ohm coaxial cables)
ATM Traffic CBR, rt_VBR, nrt_VBR, UBR
Description
•
On: Carrier signal has been received.
•
Flashing: Data is being received or/and transmitted.
•
Off: No carrier signal has been received.
•
On: The interface is in a loopback.
•
Off: No loopback or alarm is present.
•
Flashing: An alarm indication signal (AIS), loss of frame alignment (LFA)
signal, or remote alarm indication (RAI) signal is present.
110
"E3/T3 interface."