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Delta Electronics LCP-1250RJ3SR-L User Manual

Page 2

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LCP-1250RJ3SR-L

DELTA ELECTRONICS, INC.

- 2 -

Oct

.

2007 Rev. 1.02

www.deltaww.com

Product Selection

Part Number

LCP-1250RJ3SR

*note1

LCP-1250RJ3SR-L

*note2

LCP-1250RJ3SR-S

*note3

Link Indictor On RX_LOS
Pin

N/A Available

N/A

Auto-negotiation on MAC
side Enabled by default

1000Base-X Yes SGMII

MAC side Interface

1.25Gbps SerDes

1.25Gbps SerDes

SGMII without clock

Auto-negotiation on
copper side Enabled by
default

1000Base-T 1000Base-T

1000Base-T

Speed Mode (default)

1000Mbps only

1000Mbps only

10/100/1000Mbps

Notes:

1. This part supports the 1000 Base-T with SerDes interface by default. It can operate in 10/100/1000

Base-T with SGMII interface by reconfiguration of the PHYwithin the SFP.

2. This part uses the SFP’s Rx-Los pin for link indication and 1000 Base-T auto-negotiation should be

disabling on the host system. It can operate in 10/100/1000 Base-T with SGMII interface by

reconfiguration of the PHY within the SFP.

3. This part supports the 10/100/1000 Base-T with SGMII interface by default.

Serial Interface Configuration (PHY Two-Wire Address 0xAC)

Register Bits

Field

Mode

Description

27 3:0

HWCFG_
MODE

R/W

Changes to these bits are disruptive to the normal
operation; hence, any changes to these registers must be
followed by software reset to take effect.
Upon hardware reset Register 27.3:0 defaults to the value
in HWCFG_MODE[3:0].
0100 = SGMII without Clock with SGMII Auto-Neg to
copper
1000 = 1000BASE-X without Clock with 1000BASE-X
Auto-Neg to copper (GBIC)
1100 = 1000BASE-X without Clock without 1000BASEX
Auto-Neg to copper

Absolute Maximum Ratings

Parameter Symbol

Min.

Typ.

Max.

Unit

Note

Storage Temperature

Ts

−40

85 ºC

Supply Voltage

V

CC

0 5 V

Recommended Operating Conditions

Parameter Symbol

Min.

Typ.

Max.

Unit

Note

Ambient Operating Temperature

T

A

0 70 ºC

Supply Voltage

V

CC

3.135

3.465

V