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Vanguard Multiport 4520CP Controller User’s Guide 4-9
Synchronous Configurations
FIGURE 4. Filenaming Format for Synchronous Files
In this example, an HDLC device connected to the port labelled 7 on the second
Vanguard Multiport 4520CP card is accessed by the hdlcdrv/7 device file.
TABLE 7. Synchronous device file names for two Vanguard Multiport
4520CP cards installed on the same system
Port
Label
HDLC/SDLC
Sun Synchronous
(SSIF)
Vanguard Multiport 4520CP card 1
0 /dev/hdlcdrv/0 /dev/ases0
1 /dev/hdlcdrv/1 /dev/ases1
2 /dev/hdlcdrv/2 /dev/ases2
3 /dev/hdlcdrv/3 /dev/ases3
Vanguard Multiport 4520CP card 2
0 /dev/hdlcdrv/4 /dev/ases4
1 /dev/hdlcdrv/5 /dev/ases5
2 /dev/hdlcdrv/6 /dev/ases6
3 /dev/hdlcdrv/7 /dev/ases7
hdlcdrv/7
Indicates the port number being accessed on
the card. The number increments sequentially
(in decimal) from the first port on the first card
through the rest of the ports on the rest of the
cards installed in the system.
Indicates device type:
hdlcdrv for HDLC devices