NEC NEAX 2400 ICS Manual page 116

PIN LEAD
No. NAME
26 RB
27 TB
28 B0
29 B1
30 B2
31 B3
32 B4
33 B5
34 B6
35 B7
36 B8
37 B9
38 B10
39 B11
40 B12
41 B13
42 B14
43 B15
44 B16
45 B17
46 B18
47 B19
48 B20
49 B21
50
Note: In the case of 11DLC + 1ELC Mode, leads of No. 12 ~ No. 22 circuits are not to be used.
Figure 3-31 "CHAMP" Connector Pin Accommodation for DRU-23-S3
CHAPTER 3
Page 106
Revision CD 1.0
DRU-23-S3
DRE card
CHAMP1
CHAMP0
PIN LEAD
No. NAME
1 RA
To NEAX2400 IMS
2 TA
3 A0 No.0 CKT
4 A1 No.1 CKT
5 A2 No.2 CKT
6 A3 No.3 CKT
7 A4 No.4 CKT
8 A5 No.5 CKT
9 A6 No.6 CKT
10 A7 No.7 CKT
11 A8 No.8 CKT
12 A9 No.9 CKT
13 A10 No.10 CKT
14 A11 No.11 CKT
15 A12 No.12 CKT
16 A13 No.13 CKT
17 A14 No.14 CKT
18 A15 No.15 CKT
19 A16 No.16 CKT
20 A17 No.17 CKT
21 A18 No.18 CKT
22 A19 No.19 CKT
23 A20 No.20 CKT
24 A21 No.21 CKT
25
PIN LEAD
No. NAME
26 B22
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
ND-45383 (E)
PIN LEAD
No. NAME
1 A22 No.22 CKT
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25