H3C MSR Router Comware 5 Series Manual page 20

Interface specifications
Table 16 Interface specifications
Item
Connector type
Number of connectors
Interface standard
Interface rate
Cable type
Operating mode
Supported service
Interface LEDs
Figure 12 SIC-1EPRI panel
Table 17 LED description
LED
LINK/ACT
LP/AL
Interface cables and the connection methods
For more information about E1 interface cables and the connection methods, see
Description
D15
1
•
G.703
•
G.704
2.048 Mbps
•
75-ohm unbalanced coaxial cable (D15 to BNC)
•
Coaxial connector, network interface connector, and 75-ohm to 120-ohm
adapter
NOTE:
The default resister for the interface on the SIC-1EPRI is 75 ohm. A 75-ohm to
120-ohm adapter must be used when a 120-ohm cable is connected to the
SIC-1EPRI.
•
E1
•
CE1
•
ISDN PRI
•
Backup
•
Terminal access
•
ISDN
Description
•
On: Carrier signals are received.
•
Flashing: Data is being transmitted or received.
•
Off: No carrier signals are received.
•
On: The interface is in a loopback.
•
Flashing: An alarm indication signal (AIS), loss of frame alignment (LFA)
signal, or remote alarm indication (RAI) signal is present.
•
Off: Neither loopback nor alarm is present.
11
"E1 interface."