14
Interface standard RS232
Minimum baud rate 300 bps
Maximum baud rate 115.2 Kbps
Supported services
• Modem dial-up
• Backup
• Terminal access service
• Asynchronous dedicated line
Interface LEDs
Figure 17 SIC-16AS panel
Table 26 LED description
LINK/ACT
• Off means no link is present;
• On means a link is present.
• Flashing means data is being received or/and transmitted.
Interface cables and connection methods
For more information about asynchronous serial port cables, see "Asynchronous serial ports."
SIC-1SAE/SIC-2SAE/SIC-4SAE
Introduction
The 1-port/2-port/4-port enhanced high-speed synchronous/asynchronous serial interface module
(SIC-1SAE/SIC-2SAE/SIC-4SAE) provides features similar to SA, but its serial interfaces support
additional protocols, such as RS449, X.21, and RS530.
Interface specifications
Table 27 Interface specifications
Item
Connector D28
Number of connectors
• 1 (SIC-1SAE)
• 2 (SIC-2SAE)
• 4 (SIC-4SAE)
Interface standard and
operating mode
V.24
V.35, RS449, X.21,
RS530
RS232
DTE, DCE DTE, DCE
Minimum baud rate
(bps)
1200 1200 300