Star Micronics TUP500 Ethernet, Interface, Board, Left view from outside, These Resistors are 1%

2.5V_A 2.5V_A 2.5V_A 2.5V_A

CN1
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8		D4
SHIELD	9	1	IO1	IO4	9
SHIELD	10	4	IO2	IO3	6
		5	NC2	NC4	10
		2			7
TM11R-5M2-88-LP			NC1	NC3
		3	GND	VCC	8
			MAX3208
- 61	VCC
-

Left (view from outside)

D2

16

15

14

11

10

9

R4

L2

TX+

CT1

TX-

RX+

CT2

RX-

TD+

TDCT

TD-

RD+

RDCT

RD-

H1260

1

R89 49.9

2

1

2

3

6

7

8

1		1
	C37		C38
	0.1u		0.1u
2		2		VCC

1 C8 0.1u

2

These Resistors are

1% / 2125.

1	1	1
R88	R86	R85
49.9	49.9	49.9

										VCC
2		2	2
					U9					1
										R103
										10k
				41			2			2
					TX+	MDC				MII_MDC	sh2
				40	TX-	MDIO	1		R87	MII_MDIO	sh2
				33	RX+	TXC/REFCLK	15	1	2	MII_TXCLK	sh2
									33
				32	RX-	TXD3	20			MII_TXD3	sh2
							19
		D5								MII_TXD2	sh2
						TXD2
							18
						TXD1				MII_TXD1	sh2
9			1				17
	IO4	IO1				TXD0				MII_TXD0	sh2
				34
					FXSD/FXEN
6			4				14			MII_TXER	sh2
	IO3	IO2				TXER
				30
					PD
10			5				16			MII_TXEN	sh2
	NC4	NC2				TXEN
7			2	29
	NC3	NC1			LED3/NWAYEN
							21			MII_COL	sh2
						COL/RMII
8			3	28
	VCC	GND			LED2/DUPLEX
							22			MII_CRS	sh2
						CRS/RMII_BTB			R93
	MAX3208			27
					LED1/SPD100/nFEF
							10	1	2	MII_RXCLK	sh2
						RXC
				26	LED0/TEST				33
	sh4	P_LED2					3			MII_RXD3	sh2
						RXD3/PHYAD1
	sh4	P_LED1		VCC		RXD2/PHYAD2	4			MII_RXD2	sh2
			2.5V	7	VDDIO	RXD1/PHYAD3	5			MII_RXD1	sh2
				24
					VDDIO
							6			MII_RXD0	sh2
						RXD0/PHYAD4
	2.5V_A			13
					VDDC		25
						INT/PHYAD0
				31
					VDDRX
				38			11			MII_RXER	sh2
					VDDRCV	RXER/ISO

1	2
(Orange)	D6
	2	1
D3	(DF2S5.6S)
1	2
(Green)	D7
	2	1

(DF2S5.6S)

	Right (view from outside)
Ethernet	2.5V

12 470

R7

12 470

PLD_OUT1 sh4

VDDRCV is output of regurated 2.5V.

PLD_OUT2 sh4

2.5V_A 2.5V_P

2.5V_P	42	VDDTX
				9	MII_RXDV	sh2
			RXDV/CRSDV/PCS_LPBK
	47
		VDDPLL
			RST	48	RESET	sh1,4
	8	GND
	12			37
		GND	REXT
	23
		GND
	35			1
		GND		R100
	36
		GND
	39			6.49k 1%
		GND		VCC
	43
		GND
	44			2
		GND
		XI	XO
		46	45	1	1

	1
		C39
Interface		0.1u
	2
Board
4/5

	FB2			FB3
1	BK1608	1	1	BK1608	1	1
	C52	C41	C40		C42	C53
	10u/2125	0.1u	10u/2125		0.1u	10u/2125
2		2	2		2	2

2.5V and 2.5V_P are distributed from 2.5V_A via FBs.

		C45	C46
KSZ8721BL	R101	0.1u	0.1u
	1	2
		2	2

		(1M)	1		R102
		X2			2.2k
				2	Locate these devices near
					NX5032 25MHz 50ppm
					KSZ8721 power pins.
1			1
	C43				C44
	10p				10p
2			2