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110
Item Description
Interface cable
E3/T3 cable (75-ohm coaxial cables)
Supported services
ATM Traffic CBR, rt_VBR, nrt_VBR, UBR
Interface LEDs
Figure 123 FIC-1AT3 panel
Table 153 LED description
LED Description
LINK/ACT
•
On: Carrier signal has been received.
•
Flashing: Data is being received or/and transmitted.
•
Off: No carrier signal has been received.
LP/AL
•
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.
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
Содержание MSR Router Comware 5 Series
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