H3c-technologies H3C SR6600-X Instrukcja Użytkownika Pobierz pdf (Strona 46)

Front panel

Figure 28 Front panel

(1) Carrier si

nal LED (LINK/ACT) (2) TX interface

(3) RX interface (4) Captive screw

(5) Loopback/alarm LED (LP/AL)

LEDs

Table 41 LED description

LED Status Descri

tion

LINK/ACT

Off No carrier signals are being received.

On Carrier signals are being received.

Flashing Data is being transmitted or received.

LP/AL

Off No loopback or alarms occur.

On The interface is in loopback state.

Flashing

A minimum of one alarm of the type of AIS, LFA, or RAI has occurred.

• LFA—Loss of frame alignment.

• AIS—Alarm indication signal.

• RAI—Remote alarm indication.

Interface specifications

Table 42 Interface specifications

Item S

ecification

Connector type

SMB

Number of interfaces

Interface standards

• G.703

• G.704

• G.752

• AT&T TR 54014

• AT&T TR 62415

• ANSI T1.107

Interface speed

44.736 Mbps

Cable type

75-ohm T3 coaxial cable

Working modes T3/CT3

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 84 85

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