Specifications

_________________________________________________________________________________________________ DS33M33DK
Rev: 102108 8 of 48
SILKSCREEN
REFERENCE
FUNCTION
BASIC
SETTING
SCHEMATIC
PAGE
DESCRIPTION
J09
J10
SerDes analog test
points
— 3, 4
Test points to view analog +-
differential SerDes signals. To
loopback DS33M33 Tx→Rx
remove the SFP and jumper P3+5
and P2+6.
J03
J04
SFP test points Jumper P9+10 3 Test points for SFP module.
DS02
DS03
SFP MOD0 — 3 Lit when a SFP module is installed.
DS08
DS09
SFP TXDISABLE — 3 Lit when Tx is enabled.
DS05
DS04
SFP LOS — 3
Lit when fiber optic cable is
removed.
J06
J07
SFP LOS / M33 LOS Jumper P2+3 3, 4
Jumper P2+3 to connect SFP LOS
to DS33M33 LOS. Jumper P2+4 to
pull DS33M33 high. Jumper P2+6
to pull DS33M33 low.
U03 SFP Installed 3, 4 Primary SFP module.
U02 SFP Not Installed 3, 4 Redundant SFP module.
J33 Software Debug — 15 ONcE EBDI.
J32 JTAG — 20 LIU JTAG.
J13
J15
J18
RCLK
RNEG
RPOS
Jumpered 9 LIU-to-DS33M33 connections.
J13
J15
J18
TCLK
TNEG
TPOS
Jumpered 9 LIU-to-DS33M33 connections.
JP16
JP23
JP24
LIU Port Clocks Not used 9
Jumper 1+2 to drive TCLKn with
OscSel. Jumper 2+3 to drive
TCLKn with RCLKn.
J22
J25
J26
J27
JB05
JB06
J28
J29
RX3
TX3
RX1
TX1
RX4 (bottom of PCB)
TX4 (bottom of PCB)
RX2
TX2
— 8 Rx Tx jumpers.
JP17 LIU_T3MCLK
Jumper
P2+3
20
Jumper P2+3 to drive with T3 Osc.
Jumper P1+2 to drive with
T3_MCLK_IO.
JP18 LIU_ALT_MCLK
Jumper
P2+3
20
Jumper P2+3 to drive with Osc Sel.
Jumper P1+2 to drive with
Alternate MCLK.
JP19 LIU_E3MCLK
Jumper
P2+3
20
Jumper P2+3 to drive with E3 Osc.
Jumper P1+2 to drive with
E3_MCLK_IO.
JP15 Osc Select
Jumper
P2+3
20
Jumper P2+3 to drive with T3 Osc.
Jumper P1+2 to drive with E3 Osc.