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Your Serial and Data Communications Expert

Shenzhen 3onedata Technology Co.,Ltd

NO.

NO.

NO.

NO.

Function

Function

Function

Function define

define

define

define

I/O

I/O

I/O

I/O

1

TX+ (send data +)

output

2

TX- (send data -)

output

3

RX+( receive data +)

input

4

NC(null)

5

NC(null)

6

RX-(receive data -)

input

7

8

NC(null)

2.

2.

2.

2. E1

E1

E1

E1 interface

interface

interface

interface 120

120

120

120

Ω

/RJ-45

/RJ-45

/RJ-45

/RJ-45 define

define

define

define

NO.

NO.

NO.

NO.

Function

Function

Function

Function define

define

define

define

I/O

I/O

I/O

I/O

1

NC(null)

2

RX+(receive data +)

input

3

RX-(receive data -)

input

4

GND(ground)

5

GND(ground)

6

TX+(send data +)

output

7

TX-(send data -)

output

8

NC(null)

DIP

DIP

DIP

DIP switch

switch

switch

switch setup

setup

setup

setup

((((

Function

Function

Function

Function setup

setup

setup

setup switch

switch

switch

switch SW1

SW1

SW1

SW1))))::::

There have a range of

DIP switch in the 7212

panel,

Time Slot is used to choose E1 time slot

SW1 is used to

function setup.

1.

1.

1.

1. C

C

C

Clock

lock

lock

lock choice

choice

choice

choice

NO.1

NO.2

ON

OFF

inside clock (from Model 7212 panel)

OFF

OFF

comeback clock (from E1 interface)

2.

2.

2.

2. Ethernet

Ethernet

Ethernet

Ethernet mode

mode

mode

mode choice

choice

choice

choice

NO.3

NO.4

NO.5

Ethernet mode

OFF

OFF

OFF

10/100M

full/half duplex

auto-negotiation

OFF

ON

OFF

10/100M auto-negotiation

half duplex

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