Agilent Technologies J3972A, J3919A manual Dactlu, Dactpu, Dram

Cycle/Stuff Counter (C1)

The Cycle/Stuff Counter (C1) is a 1-byte field in a PLCP frame that controls bit stuffing and length indication. The C1 byte occurs in the P0 (12th) cell of a PLCP frame. The value of C1 and its corresponding Trailer length is:

C1	Frame Cycle		Trailer Length (in nibbles)
11111111	1		13
00000000	2		14
01100110	3	(no stuff)	13
10011001	3	(stuff)	14

DACTLU

Deactivate Logical Unit

DACTPU

Deactivate Physical Unit

Data Link Layer

Level 2 of the seven level OSI reference model defined by ISO. This layer provides the link access control and reliability to networks.

Default Gateway Address

The address of the gateway which is closest to the probe.

DRAM

Dynamic Random Access Memory, which is the main memory of a probe.

ELAN (Emulated Local Area Network)

A logical network defined and controlled by a LAN Emulation (LANE) mechanism. See also LANE.

Encapsulation

The processing of wrapping data with a new protocol header for transmission over the network.

Ethernet

A LAN developed by Xerox Corp., Digital Equipment Corp., and Intel Corp. It uses the CSMA/CD method of access and transmits at 10 Mbit/s on a bus topology. The IEEE 802.3 standard evolved from Ethernet, but they are not

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