Technical details about ARTIC communication cards

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CA 93111 USA

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TECHNICAL DETAILS ABOUT ARTIC CARDS

Port Configurations
ARTIC card communication port electrical interfaces are available in a wide variety of configurations. In the following, we define possible ARTIC port arrangements (except for ARTIC960 cards), modem status operations, and pin outs. The material is organized into three parts:

Port Arrangements. This section describes the various ARTIC adapters and their Electrical Interface Boards (EIBs). In this section, a specific EIB Configuration Identifier is listed for each port for cross-reference purposes; it consists of a number (232, 422, v35, or x21) followed by a letter (A, B, C or D). You need these EIB Configuration Identifiers for use in the remaining tables of this section.
Modem Status Functions. This section describes the operation of the Logical Control Line Services on each specific ARTIC model and EIB.
EIB Configurations. This section provides detailed pin outs for every supported EIB.

To use this material, follow five steps:

Step 1. Locate your specific ARTIC model in the Port Arrangements section.

Step 2. Identify the EIB type installed on your ARTIC.

Step 3. Determine which ports you are using and find the EIB Configuration Identifier.

Step 4. Use the selected EIB Configuration Identifier column in the Modem Status Functions tables to obtain information on actual port operation.

Step 5. Use the selected EIB Configuration Identifier column in the proper EIB Configuration table to obtain information on actual port pin-outs.

Port Arrangements

ARTIC Portmaster and ARTIC Multiport Model II

Port Number

EIB
0
1
2
3
4
5
6
7

8-Port RS-232
232A
232A
232A
232A
232A
232A
232A
232A

8-Port RS-422
422A
422A
422A
422A
422A
422A
422A
422A

6-Port V.35
v35B
v35B
v35B
v35B
v35B
v35B
-
-

6-Port X.21 x21B x21B x21B x21B x21B x21B - -

All port connections are on the end of a multiple-port cable with one 25-pin D shell per port. Clocking setup is determined by software parameters.

ARTIC Multiport/2

Port Number

EIB
0
1
2
3
4
5
6
7

8-Port RS-232
232A
232A
232B
232B
232B
232B
232B
232B

4-Port RS-232
232A
232A
232B
232B
-
-
-
-

4 RS-232 / 4 RS-422
232A
232A
232B
232B
422C
422C
422C
422C

8-Port RS-422
422B
422C
422C
422C
422C
422C
422C
422C

6-Port RS-232
232A
232A
232A
232A
232A
232A
-
-

All port connections are on the end of a multiple-port cable with one 25-pin D shell per port. Where internal/external clocking options are available, the setup is determined by software parameters plus the PS/2 Reference Disk clocking setup options for the ARTIC. Special conditions apply to ASYNC users.

ARTIC Multiport
(discontinued fall 1997)

Port Number

EIB
0
1
2
3
4
5
6
7

Base Port RS-232
232A
232A
232B
232B
-
-
-
-

4-Port RS-232
-
-
-
-
232B
232B
232B
232B

4-Port RS-422
-
-
-
-
422C
422C
422C
422C

All port connections are on the end of a multiple-port cable with one 25-pin D shell per port. The ARTICm has four RS-232 ports built into the base board. An add-on EIB is only required when more than four RS-232 ports are desired.
Clocking setup for ports 0 and 1 is determined by software parameters plus jumper settings on the ARTIC. RS-232 ASYNC users should set JP1 to Inbound Clock.

ARTIC X.25 Interface Co-Processor/2 and ARTIC X.25 Interface Co-Processor

Port Number

EIB
0
1
2
3
4
5
6
7

1-Port V.24 / RS-232 Cable
232C - - - - - - -

1-Port V.35 Cable
v35A - - - - - - -

1-Port X.21 Cable
x21A - - - - - - -

Both the RS-232 and the V.35 electrical interfaces are provided on the ARTIC X.25 Interface Co-Processor/2 and ARTIC X.25 Interface Co-Processor. The interface type is selected by cable. Both cables terminate with an appropriate physical connector for the interface type. The ARTIC X.25 Interface Co-Processor/2 and ARTIC X.25 Interface Co-Processor cannot provide external clock.

ARTIC Dual Port
(discontinued spring 1998)

Port Number

EIB
0
1
2
3
4
5
6
7

1-Port RS-232
232D
- -
-
-
-
-
-

1-Port RS-232
-
232D -
-
-
-
-
-

1-Port RS-422
422D
- -
-
-
-
-
-

1-Port RS-422
-
422D -
-
-
-
-
-

1-Port V.35
v35C
- -
-
-
-
-
-

1-Port V.35
-
v35C -
-
-
-
-
-

Two 15-pin D shell connectors are on the back of the ARTIC Dual Port. A separate EIB is installed on the ARTIC Dual Port for each port. Clocking setup for ports 0 and 1 is determined by software parameters plus jumper settings on the ARTIC. RS-232 ASYNC users should set JP1 to Inbound Clock.

Modem Status Functions

Various Logical Control Line Services (LCLS) functions are provided for monitoring and controlling individual modem status lines on the EIB. Since all ARTIC EIBs are not identical, the operation of these functions varies based upon the EIB type. The tables below describe the operation of each status line for each EIB.

OUTPUT
The following signals (marked by Xs) may be controlled through the LCLS functions.

EIB Configuration Identifier

Signal
232A
232B
232C
232D
422A
422B
422C
422D
v35A
v35B
v35C x21A x21B

DTR
X
X
X
X
-
-
X 1
-
X
X
- X X

RTS 2
X
X
X
X
X
-
-
-
X
X
X - -

HRS
X
-
-
X
-
-
-
-
-
-
- - -

Tx Control
X 3
X 3
-
X
-
X
X
X
-
-
X - -

txclken
-
-
-
-
-
-
-
-
X
-
X - -

rxclken
-
-
-
-
-
-
-
-
X
-
X - -

1. On ARTIC Dual Port with RS-422, DTR controls an output signal labeled CNTL.

2. WARNING: On ARTIC Portmaster and ARTIC Multiport Model II, RTS also controls Transmit Enable. RTS must be enabled for data to be transmitted.

3. On ARTIC Portmaster and ARTIC Multiport Model II, Tx Control has no control over the transmit data line. This function is performed by RTS.

INPUT
The following signals (marked by Xs) may be read using the LCLS functions.

EIB Configuration Identifier

Signal

232A

232B

232C

232D

422A

422B

422C

422D

v35A

v35B

v35C

x21A

x21B

DSR

X 1

CTS

DCD

1. On ARTIC Dual Port with RS-422, DSR monitors an input labeled IND.

EIB Configurations

RS-232 Electrical Interface Port Pin-Outs

		EIB Configuration Identifier
Signal	I/O	232A	232B	232C	232D
TxD	O	2	2	2	2
RxD	I	3	3	4	4
RTS	O	4	4	3	3
CTS	I	5	5	5	5
DSR	I	6	6	6	10
SG	-	7	7	7	8
DCD	I	8	8	8	7
TxCLKIN	I	15	-	15	13
RxCLKIN	I	17	-	17	14
DTR	O	20	20	20	12
RI	I	22	22	-	11
HRS	O	23	-	-	9
DTECLK	O	24	-	-	6

RS-422 Electrical Interface Port Pin-Outs:

		EIB Configuration Identifier
Signal	I/O	422A	422B	422C	422D
TxDA	O	24	2	2	2
RxDB	O	2	4	4	9
RxDA	I	17	3	3	4
RxDB	I	3	5	5	11
GND	-	7	7	7	8
TxCLKA	I	8	23	-	7
TxCLKB	I	22	24	-	14
RxCLKA	I	15	22	-	6
RxCLKB	I	23	17	-	13
RTSA	O	4	-	-	-
RTSB	O	20	-	-	-
CTSA	I	5	-	-	-
CTSB	I	6	-	-	-
CTRLA	O	-	-	-	3
CTRLB	O	-	-	-	10
INDA	I	-	-	-	5
INDB	I	-	-	-	12

V.35 Electrical Interface Port Pin-Outs:

		EIB Configuration Identifier
Signal	I/O	v35A	v35B	v35C
TxDA	O	P	2	9
TxDB	O	S	14	2
RxDA	I	R	3	11
RxDB	I	T	16	4
GND	-	B	7	8
TxCLKA	I	Y	15	10
TxCLKB	I	AA	12	12
RxCLKA	I	V	17	14
RxCLKB	I	X	9	13
RTS	O	C	4	3
CTS	I	D	5	5
DSR	I	E	6	6
DCD	O	F	8	7
DTR	O	H	20	-
RI	I	J	-	-
TxCLKOUTA	O	-	24	-
TxCLKOUTB	O	-	11	-

X.21 Electrical Interface Port Pin-Outs:

		EIB Configuration Identifier
Signal	I/O	x21A	x21B
T(A)	O	2	2
T(B)	O	9	24
R(A)	I	4	3
R(B)	I	11	17
C(A)	-	3	4
C(B)	I	10	20
I(A)	I	5	5
I(B)	I	12	6
X(A)	I	-	8
X(B)	O	-	22
S(A)	I	6	15
S(B)	I	13	23
SG	O	8	7

Go to any of these ARTIC technical topics:

About Synchronous Communications
About Flow Control
ARTIC Installation Worksheets
Memory Map to Assist in Shared Window Location
How to Select an Interrupt Level
Specs for a General Purpose ARTIC Cable
Port Configurations, Modem Status & Pin Outs