ITR-D3T-SD6-A

DS-5863 Rev 01

Pin Definitions

Refer to Table 10 for a description of the function of each I/O pin.

Table 10 - Module Pin Definitions

Pin Number

Label

Definition

1

GND_A

Common ground

2

GND_Rx

Digital Rx ground

3

Vcc_Rx

Digital Rx Vcc

4

SD

Signal Detect output. LVTTL with internal 3.3k

Ω pull-up. Asserts HIGH when input optical signal level

is above threshold.

5

RXD+

RX data output, CML. 50Ω terminated to Vcc and AC coupled to module output (0.1

µF).

6

RXD-

RX data bar output, CML. 50Ω terminated to Vcc and AC coupled to module output (0.1

µF).

7

BEN+

Burst Enable input, CML. Internally DC coupled. 100Ω differential termination.

8

BEN-

Burst Enable bar input, CML. Internally DC coupled. 100Ω differential termination.

9

GND_Tx

Digital Tx ground

10

TXD+

Tx data input, CML. Internally DC coupled. 100Ω differential termination.

11

GND_Tx

Digital Tx ground

12

TXD-

Tx data bar input, CML. Internally DC coupled. 100Ω differential termination.

13

Vcc_Tx

Digital Tx Vcc

14

SDA

I2C Data input/output. LVTTL

15

SCL

I2C Clock input. LVTTL

16

INT

Interrupt output. LVTTL with internal 100k

Ω pull-up. Active LOW.

17

Vdd_+12V

Video Rx 12V Vdd

18

Vcc_3.3V

Microcontroller Vcc

19

Reset

Reset input. LVTTL. Internal pull up. Active low.

20

GND_A

Common ground

21

RF_GND

RF ground

22

RF_SIGNAL

RF signal

23

RF_GND

RF ground