12
Interface LEDs
Figure 15 SIC-1T1-F panel
Table 22 LED description
LINK/ACT
• On means the carrier signal has been received.
• Off means no carrier signal has been received.
• Flashing means data is being transmitted or/and received.
LP/AL
• On means the interface is in a loopback.
• Flashing means an AIS, LFA, or RAI alarm signal is present.
• Off means no loopback or alarm is present.
Note:
AIS = Alarm indication signal; LFA = loss of frame alignment; RAI = Remote alarm indication
Interface cables and connection methods
For more information about T1 Interface cables and connection methods, see "T1 interface."
Serial interface module
• SIC-8AS
• SIC-16AS
• SIC-1SAE
• SIC-2SAE
• SIC-4SAE
SIC-8AS
Introduction
The 8-port asynchronous serial interface module (SIC-8AS) transmits and processes asynchronous
data streams.
The SIC-8AS provides the following features:
• Each asynchronous serial port provides a rate up to 115.2 Kbps.
• Supports the terminal access service and asynchronous dedicated line.
• Acts as the small-/medium-sized ISP dial-up access server when an asynchronous serial port is
used for dial-up.
Interface specifications
Table 23 Interface specifications
Connector DB60
Number of connectors 1
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