Intel LXD972M manual Quick-Start Checklists, Quick-Start Checklist for Jumper Settings

Intel® LXD972M Transceiver Demo Board (Board Rev A1)

2.3Quick-Start Checklists

Use the quick-start checklists in this section to set up the LXD972M Demo Board, shown in Figure 2, “Intel® LXD972M Transceiver Demo Board” on page 10.

The following quick-start setup procedure sets all ports to the default condition, which includes Auto-Negotiation enabled, advertising dual-speed, and full-duplex/half-duplex capabilities.

1.Set the jumpers as listed in Table 2.

The following jumpers are defined as follows: LED1 has the functionality of LED/CFG1, LED2 has the functionality of LED/CFG2, and CFG has the functionality of LED/CFG3 as defined by the LXT972M Transceiver datasheet.

2.Set SW1 switches as listed in Table 3.

3.Connect the MII port of the LXD972M Demo Board to the Smartbits test box through the MII connector/cable. A male-to-male cable is required to interface the Smartbits test box to the LXD972M Demo Board and is available from Newark* (.5m cable - Newark 91F9746).

4.Connect the twisted-pair port through a Twisted-Pair crossover cable to the RJ-45 card in the SmartBits test box.

5.Power up the Smartbits test box.

6.When the LXD972M Demo Board is configured according to desired test settings, apply the desired power connections per Table 4 options in Section 2.4.2, “Power Supply Voltage Source and Clock Options” on page 12 and press Reset switch S2.

7.Proceed with testing.

Table 2. Quick-Start Checklist for Jumper Settings

Jumper	Label	Setting		Configuration
JP1,	LED1,			"Sets Port Configuration to 111 for Auto-Negotiation,
JP2,	LED2,	Pins 1, 2	Jumper	10/100 Mbps, Full-Duplex. For details, see Section
JP3	CFG			2.4.5, “CFG Pin Configuration Options” on page 14.
JP12	VCCA	Jumpered		Routes power from VCCD connector (BN4) through
				JP12 to the VCCA input.
JP16	MDIO	Pins 2, 3	Jumper	Routes MDIO through MII 40-pin Connector P1.
JP17	MDC	Pins 2, 3	Jumper	Routes MDC through MII 40-pin Connector P1.
		Pins 1, 2	Open	Disables output of clock oscillator Y2.
JP18	Clock Select
		Pins 3, 4	Jumper	Connects crystal across XI and XO to enable Y1.
		Pins 5, 6	Jumper
JP19	Reset	Pins 1,2	Jumper	Connects reset button

Table 3. Quick-Start Checklist for Switch Settings

	Switch / Label	Setting	Configuration
SW1-1	/ ID EN	Off	Not applicable for LXT972M Transceiver.
SW1-2	/ ADDR0	Off	Sets ADDR0 = 0 (“Off” position)
SW1-3	/ ADDR1	Off	Sets ADDR1 = 0 (“Off” position)
SW1-4	/ LINKHOLD / RBIAS	Off	Not applicable for LXT972M Transceiver.

Preliminary User’s Guide 9

Document Number: 303125

Revision Number: 002

Revision Date: October 22, 2004