H3C MSR Router Comware 5 Series Manual page 68

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Four types of test measures: local cell loopback, local payload loopback, remote payload
loopback, and remote line loopback.
Interface specifications
Table 81 Interface specifications
Item
Connector
Connector number
Interface standard
Interface rate
Cable
Supported service
NOTE:
In the supported services described in the above table, CBR represents Constant Bit Rate, rt_VBR
represents Variable Bit Rate-Real Time, nrt_VBR represents Variable Bit Rate-Non Real Time, and
UBR represents Unspecified Bit Rate.
Interface LEDs
Figure 63 MIM-1AT3 panel
Table 82 LED description
LED
LINK
ACT
Interface cables and the connection methods
For more information about E3 interface cables and the connection methods, see
Description
SMB
2
•
G.703
•
G.704
•
G.823
44.736 Mbps
E3/T3 cable (75-ohm coaxial cables)
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ATM Traffic CBR
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rt_VBR
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nrt_VBR
•
UBR
Description
•
Off: No link is present.
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On: A link is present.
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Off: No data is being transmitted or received.
•
Flashing: Data is being received or/and transmitted.
59
"E3/T3 interface."