Patton electronic ONSITE 2800 - Manual (Page 64)

T1/E1 port configuration task list 64
OnSite 2800 Series User Manual 5 • T1/E1 port configuration
ration mode the encapsulation must be set to ‘hdlc’ as well followed by configuring at least one timeslot per the
‘timeslots’ command.
Mode: port e1t1
Mode: channel-group
Configuring HDLC CRC-Type
This command specifies the length of the checksum for calculating the CRC of the hdlc-frame. It can be either
a 16-bit or a 32-bit checksum.
Mode: hdlc
Configuring HDLC Encapsulation
The hdlc encapsulation command specifies what kinds of upper layer data are contained in the hdlc frames.
Two encapsulation types are available, framerelay and ppp. Once the hdlc configuration mode has been
entered, the procedure for setting up framerelay or ppp is exactly the same as for an X.21/V.35 serial port. For
that reason, see 4,
“Serial port configuration” on page 44 for details about frame relay configuration and the
“OnSite Software Configuration Guide” for details about PPP configuration.
Mode: hdlc
T1/E1 Configuration Examples
Here is a group of four configuration examples.
• Example 1: Frame Relay without a channel-group
• Example 2: Frame Relay with a channel-group
• Example 3: PPP without a channel-group
• Example 4: PPP with a channel-group
Step Command Purpose
1 [name] (prt-e1t1)[slot/port]# hdlc Entering the hdlc configuration mode
Step Command Purpose
1 [name] (ch-grp)[group-name]#hdlc Entering the hdlc configuration mode
Step Command Purpose
1 [name] (hdlc)#crc-type {crc16 | crc32} Selects the checksum-type to be used.
Default: crc16
Step Command Purpose
1 [name] (hdlc)#encapsulation {framere-
lay | ppp} Specifies the encapsulation type of hdlc.
Default: no encapsulation