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Interface leds – H3C Technologies H3C MSR 50 User Manual

Page 127

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Table 3-22 Interface attributes of the MIM-IMA-4E1/ MIM-IMA-8E1

Description

Attribute

MIM-IMA-4E1

(75-ohm)

MIM-IMA-8E1

(75-ohm)

MIM-IMA-4E1

(120-ohm)

MIM-IMA-8E1

(120-ohm)

Connector DB68

Number of
connectors

1

Interface standard ITU-G.703, ITU-G.704

Interface rate

2.048 Mbps

Cable type

75-ohm 4E1
conversion cable

75-ohm 8E1
conversion cable

120-ohm 4E1
conversion cable

120-ohm 8E1
conversion cable

Max transmission
distance

500 m (1640.4 ft.)

150 m (492.1 ft.)

Operating mode

ATM E1 independent link/IMA bundle mode

Supported service AAL5 (ATM adaptation layer 5)

Protocol

PPPoA, PPPoEoA, IPoA, IPoEoA

Service type

CBR/VBR-rt/VBR-nrt/UBR

Interface LEDs

The following figures illustrate the MIM-IMA-4E1 and MIM-IMA-8E1 panels.

Figure 3-23 MIM-IMA-4E1 (75-ohm) panel

Figure 3-24 MIM-IMA-8E1 (75-ohm) panel

The LEDs on the MIM-IMA-4E1 panel have the same functionality as those on the MIM-IMA-8E1 panel.
The following table describes these LEDs.

Table 3-23 Description of the LEDs on the IMA-4E1/IMA-8E1 panel

LED

Description

LINK

z

OFF means no link is present;

z

ON means a link is present.

ACT

z

OFF means no data is being transmitted or received.

z

ON means data is being transmitted or received.

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