Interface Card and Interface Module Manual
H3C MSR 20/30/50 Series Routers
Chapter 3 Multifunctional Interface Modules
3-53
Step 2: Connect the SMB connector of another E3/T3 cable to the Rx port of MIM-1AE3
module and another end to the Tx port on the device to be connected;
Step 3: Check the behavior of the LINK LED on the MIM-1AE3 panel. It is OFF when
fault has occurred on the link and signal is out of synchronization. In this case, please
check the link.
3.16 MIM-1AT3 Module
3.16.1 Introduction
1-port 44.736 Mbps ATM-T3 interface module (MIM-1AT3) supports:
z
Two ATM cell mapping modes: ADM and PLCP;
z
Scrambling in data transmission;
z
Both line clock (when working as DTE interface) and internal clock (when working
as DCE interface);
z
Four types of test measures, i.e., local cell loopback, local payload loopback,
remote payload loopback, and remote line loopback.
Note:
You are allowed to equip an H3C Series Router with MIM-AT3 modules to its full
capacity. Yet, you are recommended to install only one MIM-AT3 module on it,
whatever its model is, to ensure the performance of some key services.
3.16.2 Interface Attributes
The interface attributes of MIM-1AT3 are given in the following table:
Table 3-33
Interface attributes of MIM-1AT3 module
Attribute
1AT3 Module
Connector
SMB
Connector number
2
Interface standard
G.703, G.704, G.823
Interface rate
44.736 Mbps
Cable
E3/T3 cable (75-ohm coaxial cables)
Supported service
ATM Traffic CBR, rt_VBR, nrt_VBR, UBR