HDLC - High level data link control used in conjunction with Networking protocols like PPP (point-to-point) protocol.
According to RFC 1662, PPP uses HDLC like frame by providing address and control fields.
For PPP these fields are constants 0xFF and 0x03.
High level data link control
High level Data link Control
The APW Modular Networking Frame Rack will work with Cisco networking systems.
networking purpose
Optical Distribution Frame
networking purpose
HDLC
HDLC
1. Frame Relay 2. HDLC 3. PPP
Frame Check Sequence
Networking Addresses
multiprotocol support