Electrical Specification

Oplink Communications, Inc.

OFMS Series 1x8 Optical Fiber Switches

OFMS1x8 Series

Binary Control

(D2, D1, D0)

000

001

010

011

100

101

110

111

Selected Port

1

2

3

4

5

6

7

8

PIN#

Name

I/O

Function

1

Vcc1

Input

(5.0 ±5%) VDC Switch Power Supply (max 250 mA)

2

Agnd

Input

Analog Ground

3

D0

Input

LVTTL (Max 1.0 mA), Port Selection Bit 0 (MSB)

4

D1

Input

LVTTL (Max 1.0 mA), Port Selection Bit 1

5

D2

Input

LVTTL (Max 1.0 mA), Port Selection Bit 2 (MSB)

6

Start

Input

LVTTL, Start Strobe (Negative Transition Trigger, 5 µs Minimum, 100 µs

Maximum)

7

Ready

Output

LVTTL, Ready (High = Not Ready, Low = Ready)

8

Error

Output

LVTTL, Error (High = No Error, Low = Error)

9

Dgnd

Input

Digital Ground

10

Vcc2

Input

+3.3 (3.14~3.45) V Digital Power Supply (max 50mA)

Electrical Connector Configuration

Port Selection Control Logic

Low Voltage 3.3V CMOS Logic

Command

Minimum

Maximum

Unit

High Level Input Voltage

2.0

-

V

Low Level Input Voltage

0.0

0.8

V

High Level Output Voltage

2.4

-

V

Low Level Output Voltage

0.0

0.4

V