PIN

Symbol

Name/Description

1

VeeT

Transmitter Signal Ground

2

TX_FAULT

Transmitter Fault (LVTTL-O) – Not used. Grounded inside the module

3

TX_DISABLE

Transmitter Disable (LVTTL-I) – High or open disables the transmitter

4

SDA

Two Wire Serial Interface Data Line (LVCMOS – I/O)

(same as MOD-DEF2 in INF-8074)

5

SCL

Two Wire Serial Interface Clock Line (LVCMOS – I/O)

(same as MOD-DEF1 in INF-8074)

6

MOD_ABS

Module Absent (Output), connected to VeeT or VeeR in the module

7

RS0

Rate Select 0 - Not used, Presents high input impedance.

8

RX_LOS

Receiver Loss of Signal (LVTTL-O)

9

RS1

Rate Select 1 - Not used, Presents high input impedance.

10

VeeR

Receiver Signal Ground

11

VeeR

Receiver Signal Ground

12

RD-

Receiver Data Out Inverted (CML-O)

13

RD+

Receiver Data Out (CML-O)

14

VeeR

Receiver Signal Ground

15

VccR

Receiver Power + 3.3 V

16

VccT

Transmitter Power + 3.3 V

17

VeeT

Transmitter Signal Ground

18

TD+

Transmitter Data In (CML-I)

19

TD-

Transmitter Data In Inverted (CML-I)

20

VeeT

Transmitter Signal Ground