Cable, CompactFlash and Accessory Specifications
A-6
Regulatory/Safety Compliance
The
Copper
and
Fiber
‐
optic
Ethernet
NIMs
comply
with
these
regulatory
and
safety
requirements:
IEE
802.3,
UL
1950,
CSA
No.
950,
EN
60950,
and
IEC
950
(CB
Scheme
Report).
2/4-Port Serial NIM Card Port
The
High
Speed
Serial
NIM
card,
as
shown
in
Figure A
‐
6
,
provides
a
WAN
connection
to
four
different
types
of
DTEs:
DB
‐
15,
25,
37,
and
V.35.
This
interface
can
support
dual
and
quad
traffic
up
to
8
Mbps.
Figure A-6
High Speed Serial NIM Port
Refer
to
Figure A
‐
7
through
Figure A
‐
11
for
all
Serial
NIM
pinout
assignments.
Figure A-7 X.21 DTE Pin Assignments
Pin 1
Pin 68
68-pin Serial
19
27
21
26
3
11
5
10
4
7
6
8
15
16
9
14
4
11
2
9
3
10
5
12
6
13
8
1
R
Receive0-
T
Transmit0-
C
Control0-
Indi
Indication0-
Timing0-
Signal GND
Shield GND
Signal GND
37
45
39
44
38
41
40
42
49
50
43
48
J1
J2
J3
J4
X.21 DTE
J1 - 68-pin male SCSI III type connector
J2...J5 - DB-15 type male connector
- Indicates Twisted Pair
Notes:
1
.
2. Shield GND is braid on braided cable
3. Shield GND is drain wire on foil shield cable
4. Braid or foil must enter and make contact
inside metal connector hood
5. All connectors must be metal
6. Pins not shown are unused
4
11
2
9
3
10
5
12
6
13
8
1
R
Receive1-
T
Transmit1-
C
Control1-
Indi
Indication1-
Timing1-
Signal GND
Shield GND
Signal GND
4
11
2
9
R
Receive2-
T
Transmit2-
PORT 1
PORT 2
19
27
21
26
20
23
22
24
31
32
25
30
53
61
55
60
54
57
56
58
65
66
59
64
J4
J5
4
11
2
9
3
10
5
12
6
13
8
1
R
Receive2-
T
Transmit2-
C
Control2-
Indi
Indication2-
Timing2-
Signal GND
Shield GND
Signal GND
4
11
2
9
3
10
5
12
6
13
8
1
R
Receive3-
T
Transmit3-
C
Control3-
Indi
Indication3-
Timing3-
Signal GND
Shield GND
Signal GND
J1: 68-pin male SCSI II type connector
J2 - J5: DB-15 type male connector
