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8
Interface LEDs
Figure 9 SIC-E1-F panel
Table 11 LED description
LED Description
LINK/ACT
•
On: Carrier signal has been received.
•
Flashing: Data is being transmitted or received.
•
Off: No carrier signal has been received.
LP/AL
•
On: The interface is in a loopback.
•
Off: Neither loopback nor alarm is present.
•
Flashing: An alarm indication signal (AIS), loss of frame alignment (LFA)
signal, or remote alarm indication (RAI) signal is present.
Interface cables and the connection methods
For more information about E1 interface cables and the connection methods, see "
."
SIC-2E1-F
Introduction
The 2-port fractional E1 interface module (SIC-2E1-F), where F indicates fractional, supports:
•
Transmission/Receiving and handling of E1 data streams
•
CE1 (channelized E1) access
•
Remote loopback and local loopback functions, facilitating fault test and location
Interface specifications
Table 12 Interface specifications
Item
Description
Connector type
D15
Number of connectors
1
Interface standard
•
G.703
•
G.704
Interface rate
2.048 Mbps
Cable type
75-ohm unbalanced coaxial cable (D15 to BNC)
Operating modes
•
E1
•
CE1
Supported services
•
Backup
•
Terminal
access
Содержание MSR Router Comware 5 Series
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