52
Table 80 LED description
LINK
• Off means no link is present;
• On means a link is present.
ACT
• Off means no data is being transmitted or received;
• Flashing means data is being received or/and transmitted.
Interface cables and connection methods
For more information about the Ethernet interface cables and connection methods, see "Ethernet
interface."
ATM interface module
• MIM-1ATM-OC3
• MIM-IMA-8E1
• MIM-IMA-4T1
MIM-1ATM-OC3
Introduction
The 1-port ATM (Asynchronous Transfer Mode) 155 Mbps optical interface module (MIM-1ATM-OC3)
provides ATM interfaces for routers. It provides the following features:
• Two frame formats: SDH STM-1 and SONET OC-3;
• Scrambling in data transmission;
• Both line clock (when working as DTE interface), and internal clock (when working as DCE
interface);
• Three types of test measures: local cell loopback, local payload loopback, and remote
loopback.
Interface specifications
Table 81 Interface specifications
Number of interfaces 1
Connector SFP/LC
Interface standard SONET OC-3/SDH STM-1
Operating mode 1000 Mbps, full duplex
Interface LEDs
Figure 55 MIM-1ATM-OC3 panel
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