PH-IO24

Input/Output Controller

6.External Interface

As illustrated in Figure 2-29, the 68PH S 2PORTS CA-A cable is required to connect external equipment such as the MAT, SMDR, MCI, and PRT.

Securely insert the connector of the 68PH S 2PORTS CA-A into the appropriate MISC connector. Refer to the table listed below.

RS-232C cable (Note 2)

MISC 3B/2B (Note 1)

Backplane

AMP

PH-IO24

(IOC)

AMP

68PH S 2PORTS CA-A

68PH S 2PORTS CA-A

Circuit #0

TYP0

 

Circuit #1

TYP1

 

Circuit #2

TYP0

 

To RS-232C Terminal

MISC 3A/2A (Note 1)

Circuit #3

TYP1

Note 1: The relationship between the MISC connectors and the mounting slot of the IOC (PH-IO24) circuit card is shown below.

Mounting Slot

IOC Circuit Number

MISC Connector

02

#0, #1

MISC 2B

 

 

#2, #3

MISC 2A

 

 

 

 

03

#0, #1

MISC 3B

 

 

#2, #3

MISC 3A

 

 

 

 

Note 2: The type of cables varies depending on a connected terminal and/or whether modems are used or not. More detailed information on the connecting cables is explained in the “Installation Procedure Manual”.

TYP0, 1 Connector

Pin

Signal name

Pin

Signal name

 

01

SD

26

 

 

02

RD

27

 

 

03

RS

28

 

 

04

CS

29

 

 

05

DR

30

 

 

06

SG

31

 

 

07

CD

32

 

 

08

ER

33

 

 

09

PB/CI

34

 

 

10

RT

35

 

 

11

ST1

36

 

 

12

ST2

37

 

 

13

 

38

 

 

14

 

39

 

 

15

 

40

 

 

16

 

41

 

 

17

 

42

 

 

TYP0, 1 Lead Accommodation

Figure 2-29 External Cable Connection for PH-IO24 (IOC)

CHAPTER 2

NDA-24296

Page 80

Revision 1.0

Page 106
Image 106
NEC 2400 ipx manual External Cable Connection for PH-IO24 IOC

2400 ipx specifications

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