HP 12076A LAN/1000 LINK List Facility, <A, <A, CTRL, <RETURN

	bit:	7		6	5	4	3	2	1	0
			D	LC	R	B	M	L	LE	CR
			Left Hex Digit				Right Hex Digit
where:
D = 1	Packet was deferred from transmission for a period that
	exceeded firmware timeout (about 1 second). (Trace packet)
LC = 1	Lost carrier sense on transmit packet. (Trace packet)
R = 1	Packet collision retry limit was exceeded. (Trace packet)
B = 1	Babble error. The Link Controller chip detected the
	transmit packet exceeded the maximum allowed packet length
	(1518 bytes, excluding the Preamble and Start of F rame
	Delimiter fields). (Trace packet)
M = 1	Card memory subsystem error. (Trace packet)
L = 1	On packet transmit, a late collision occurred.
	(Trace packet)
LE = 1	Received packet contained a length field error.
	(Bad packet)
CR = 1	Received packet contained a CRC error. (Bad packet)
All bits = 0				No destination program for receive packet. (Orphan)

Figure 5%1. Deciphering the Packet Error Byte, ERR#

In accordance with the IEEE 802.2 Standard, common CTRL parameter values are shown in Table 5"10 (see Chapter 2 for a review of a packet's Control field).

Table 5%10. IEEE 802.2 Control Field Designations

CTRL Parameter*	Information Field Description
03 or 13 hex	Unnumbered Information
AF or BF hex	XID Loopback Packet Data
E3 or F3 hex	TEST Loopback Packet Data

*Note: Two values, depending on the P/F bit of the control Field (see Chapter 2).

List Facility

The returned information from an RE command may exceed a single terminal screen display. If the event log file is large, it may be viewed using a •list facility" very similar to the standard RTE"A list facility. Pressing any key other than <A> or <RETURN> will display another full screen. Pressing <A> will abort.

Using Node Manager 5%49