8

SPPS-27-XE-R3-CDFB

DS-6306 Rev 09 2012-09-19

6

MOD_ABS

Connect to

7

LVTTL-O

TX_SD

TX Signal detected

8

LVTTL-O

RX_LOS

(3)

Receiver Loss of Signal Indication(in FC designated as

RX_LOS,in SONET Designated as Los,as in Ethernet

Designated as not Signal Detect )

9

LVTTL-I

PDWN_TX

（

Power saving of Tx side, On/off time less than 1ms, high active,

if not use this feature, main board connection should be NC.

10

Module Receiver Ground

11

Module Receiver Ground

12

CML-O

RD-

Receiver inverted Data Output

13

RD+

Receiver Non-inverted Data Output

14

Module Receiver Ground

15

Module Receiver 3.3 Supply

16

Module Transmitter 3.3 Supply

17

Module Transmitter Ground

18

CML-I

TD+

Transmitter Non-inverted Data Input

19

TD-

Transmitter Inverted Data Input

20

Module Transmitter Ground

Notes:

1. The module ground pin, VeeT and VeeR,shall be isolated from the module case.

2. Shall pulled up with 4.7K-10K ohm to a VccT in the module.

3. This pin is an open collector/drain output pin and shall pulled up with 4.7K-10K ohm to a Host-Vcc on the

host board.

4. Tx Power saving function timing: Tx_Sleep

TX_Burst

TX_Sleep

TX_Burst_Off

1ms

1ms