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Black Box 5000 manual Dce

Models: 5000

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Multiserver 5000

Table 9-7. CCM and 6-Channel CEM (MX215C only)

Local Sync Channel Interface Configured to DCE

Multiserver

 

 

 

 

DCE

 

 

 

Constant

Controlled

 

 

 

 

 

 

 

 

 

 

Pin

I/O

Carrier Mode

Carrier Mode

Pin

 

I/O

Signal

8

O

Held ON.

 

Lead output data.

4

 

I

RTS

11

I

. . .

 

Must be ON to enable data

5

 

O

CTS

 

 

 

 

output.

 

 

 

 

4

I

. . .

 

Ignored (except in

8

 

O

CD

 

 

 

 

RTS/CTS mode).

 

 

 

 

25

I

Start ring frame is sent to remote when off-to-on transition

22

 

O

RI

 

 

is detected. Stop ring frame is sent to remote if no

 

 

 

 

 

 

transition is detected for three seconds.

 

 

 

 

6

O

Change as dictated by remote unit.

20

 

I

DTR

20

I

Send changes as detected by remote unit.

6

 

O

DSR

22

O

Change as dictated by remote unit.

25

 

I

BUSY

5

O

. . .

 

Follows unassigned input

. . .

 

. . .

Unassigned

 

 

 

 

input at remote end.

 

 

 

 

15

O

Not affected by carrier mode.

 

. . .

 

. . .

External

 

 

 

 

 

 

 

 

RX Clock

17

O

Not affected by carrier mode.

 

24

 

I

External

 

 

 

 

 

 

 

 

TX Clock

18

I

Not affected by carrier mode.

 

15

 

O

TX Clock

24

I

Not affected by carrier mode.

 

17

 

O

RX Clock

2

I

. . .

 

. . .

3

 

O

RD

3

O

. . .

 

. . .

2

 

I

TD

92

Page 93 Page 95
Page 94
Image 94
Black Box 5000 manual Dce
Page 93 Page 95