beautypg.com

Interface attributes, Interface leds, Interface cable – H3C Technologies H3C MSR 50 User Manual

Page 32

background image

2-12

z

The SIC-1E1-F does not support the PRI mode.

Interface attributes

The interface attributes of SIC-1E1-F are given in the following table:

Table 2-11 Interface attributes of SIC-1E1-F

Attribute

Description

Connector type

DB-15

Number of connectors

1

Interface standard

G.703, G.704

Interface rate

2.048 Mbps

Cable type

75-ohm unbalanced coaxial cable (DB-15 to BNC)

Operating modes

E1
CE1

Supported services

Backup
Terminal access

Interface LEDs

SIC-1E1-F panel is shown in the following figure:

Figure 2-10 SIC-1E1-F panel

The status description of the LEDs is given in the following table:

Table 2-12 Description of the LEDs on SIC-1E1-F panel

LED

Description

LINK/ACT

z

ON means carrier signal has been received.

z

Blinking means data is being transmitted or received.

z

OFF means no carrier signal has been received.

LP/AL

z

ON means the interface is in a loopback.

z

Blinking means an AIS, LFA, or RAI alarm signal is present.

z

OFF means neither loopback nor alarm is present.

Interface cable

Interface cables for SIC-1E1-F are standard E1 G.703 cables. E1 G.703 cables have two types: 75-ohm
unbalanced coaxial cables and 120-ohm balanced twisted pair cables. The appearance of the 75-ohm
unbalanced coaxial cable is shown as follows:

This manual is related to the following products: