3023 - Revision history

RHansen: Added details in Introduction

2024-10-11T14:22:45Z

Added details in Introduction

@@ Line 3: / Line 3: @@
 {{Stub}}
 ==Introduction==
 Megalink is designed according to the ISO 3309 standard, providing you with Point-to-point serial communication links, using [http://en.wikipedia.org/wiki/HDLC HDLC] protocol. It can operate in half or full duplex mode on point-to-point line. Multidrop requires external equipment.
@@ Line 8: / Line 10: @@
 It is recommended that the Megalink interface have the highest priority.
 ==Switches and indicators==

Tingo: /* References */ update link to product description

2023-04-26T15:37:54Z

References: update link to product description

← Older revision		Revision as of 15:37, 26 April 2023
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	*{{ND-doc\|06.015.02}}		*{{ND-doc\|06.015.02}}
	*{{ND-doc\|30.008.3 EN}}		*{{ND-doc\|30.008.3 EN}}
	*[http://~~library.oddene~~.~~no/sintran~~/library/libpdpi/ND-734-B1-EN.pdf ND-734-B1-EN] Product Description		*[http://sintran.com/library/libpdpi/ND-734-B1-EN.pdf Norsk Data Library - ND-734-B1-EN] Product Description

	[[Category:ND-100 hardware]]		[[Category:ND-100 hardware]]

Tingo: /* References */ add reference to ND-30.008.3 EN

2018-01-14T16:03:14Z

References: add reference to ND-30.008.3 EN

← Older revision		Revision as of 16:03, 14 January 2018
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	==References==		==References==
	*{{ND-doc\|06.015.02}}		*{{ND-doc\|06.015.02}}
			*{{ND-doc\|30.008.3 EN}}
	*[http://library.oddene.no/sintran/library/libpdpi/ND-734-B1-EN.pdf ND-734-B1-EN] Product Description		*[http://library.oddene.no/sintran/library/libpdpi/ND-734-B1-EN.pdf ND-734-B1-EN] Product Description

	[[Category:ND-100 hardware]]		[[Category:ND-100 hardware]]

Tingo: /* Introduction */ added ISO 3309

2011-12-21T00:29:58Z

Introduction: added ISO 3309

← Older revision		Revision as of 00:29, 21 December 2011
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	{{Stub}}		{{Stub}}
	==Introduction==		==Introduction==
	Point-to-point serial communication links, using [http://en.wikipedia.org/wiki/HDLC HDLC] protocol. It can operate in half or full duplex mode on point-to-point line. Multidrop requires external equipment.		Megalink is designed according to the ISO 3309 standard, providing you with Point-to-point serial communication links, using [http://en.wikipedia.org/wiki/HDLC HDLC] protocol. It can operate in half or full duplex mode on point-to-point line. Multidrop requires external equipment.

	Megalink may operate up to 983 Kbaud in a high throughput mode where retransmissions are avoided. This is achieved by using a busy line (requires an extra pair of wires in each direction in addition to the [http://en.wikipedia.org/wiki/X.21 X.21] defined lines. This mode is easiest using a Megalink to Megalink computer link. Operation without busy lines is possible below 307 Kbaud.		Megalink may operate up to 983 Kbaud in a high throughput mode where retransmissions are avoided. This is achieved by using a busy line (requires an extra pair of wires in each direction in addition to the [http://en.wikipedia.org/wiki/X.21 X.21] defined lines. This mode is easiest using a Megalink to Megalink computer link. Operation without busy lines is possible below 307 Kbaud.

Tingo: added Programming section

2011-12-21T00:28:29Z

added Programming section

@@ Line 67: / Line 67: @@
 ==Modem connection==
 The electrical connection for a modem is [http://en.wikipedia.org/wiki/ITU-T_V-Series_Recommendations V.11] (= X.27 = [http://en.wikipedia.org/wiki/RS-422 RS-422]).
 ==ND sales number==
 *ND 734 Megalink Interface for ND-100

Tingo: added Modem connection section

2011-12-21T00:20:11Z

added Modem connection section

← Older revision		Revision as of 00:20, 21 December 2011
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	==I/O Devices on the card==		==I/O Devices on the card==
	none?		none?
			==Modem connection==
			The electrical connection for a modem is [http://en.wikipedia.org/wiki/ITU-T_V-Series_Recommendations V.11] (= X.27 = [http://en.wikipedia.org/wiki/RS-422 RS-422]).
	==ND sales number==		==ND sales number==
	*ND 734 Megalink Interface for ND-100		*ND 734 Megalink Interface for ND-100

Tingo: /* Introduction */ added more text

2011-12-21T00:11:52Z

Introduction: added more text

← Older revision		Revision as of 00:11, 21 December 2011
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	{{Stub}}		{{Stub}}
	==Introduction==		==Introduction==
	~~What does it do?~~		Point-to-point serial communication links, using [http://en.wikipedia.org/wiki/HDLC HDLC] protocol. It can operate in half or full duplex mode on point-to-point line. Multidrop requires external equipment.

			Megalink may operate up to 983 Kbaud in a high throughput mode where retransmissions are avoided. This is achieved by using a busy line (requires an extra pair of wires in each direction in addition to the [http://en.wikipedia.org/wiki/X.21 X.21] defined lines. This mode is easiest using a Megalink to Megalink computer link. Operation without busy lines is possible below 307 Kbaud.

	It is recommended that the Megalink interface have the highest priority.		It is recommended that the Megalink interface have the highest priority.

	==Switches and indicators==		==Switches and indicators==
	This card has three thumbwheel switches, from the top of the card		This card has three thumbwheel switches, from the top of the card

Tingo: added ND Sales number section, plus another reference

2011-12-20T23:51:29Z

added ND Sales number section, plus another reference

← Older revision		Revision as of 23:51, 20 December 2011
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	==I/O Devices on the card==		==I/O Devices on the card==
	none?		none?
	==~~Reference~~==		==ND sales number==
	{{ND-doc\|06.015.02}}		*ND 734 Megalink Interface for ND-100
			==References==
			*{{ND-doc\|06.015.02}}
			*[http://library.oddene.no/sintran/library/libpdpi/ND-734-B1-EN.pdf ND-734-B1-EN] Product Description

	[[Category:ND-100 hardware]]		[[Category:ND-100 hardware]]

Tingo: created the page

2011-12-19T20:09:00Z

created the page

New page

'''3023''' is the Megalink interface.

{{Stub}}
==Introduction==
What does it do?
It is recommended that the Megalink interface have the highest priority.
==Switches and indicators==
This card has three thumbwheel switches, from the top of the card
* TH1 - baud rate selection
**0 - 307.2 kbps
**3 - 1.2 kbps
**6 - 9.6 kbps
**7 - 38.4 kbps
**8 - 153.6 kbps
**9 - 76.8 kbps
**11 - 19.2 kbps
**13 - 4.8 kbps
**14 - 2.4 kbps
settings not specified overlap with the specified settings. Baud rate selection is only relevant if the source oscillator switches are set to "baud rate via TH1".
* TH3 - device register address and ident code
**0 - megalink 1 - device address 1640-1647 (octal) - ident code 150 (octal)
**1 - megalink 2 - device address 1660-1677 (octal) - ident code 151 (octal)
**2 - megalink 3 - device address 1700-1717 (octal) - ident code 152 (octal)
**3 - megalink 4 - device address 1720-1737 (octal) - ident code 153 (octal)
**4 - megalink 5 - device address 1740-1757 (octal) - ident code 154 (octal)
**5 - megalink 6 - device address 1760-1777 (octal) - ident code 155 (octal)
* TH2 - autoload device numbers
**0 - N/A - device address 1600-1603 (not allowed)
**1 - autoload 1 - device address 1604-1607 (octal)
**2 - autoload 2 - device address 1610-1613 (octal)
**3 - autoload 3 - device address 1614-1617 (octal)
**4 - autoload 4 - device address 1620-1623 (octal)
**5 - autoload 5 - device address 1624-1627 (octal)
**6 - autoload 6 - device address 1630-1633 (octal)
**7 - autoload 7 - device address 1634-1637 (octal)

several other switches, labeled by their location
*switch 26G - source oscillator selection
**6:on, 5:on, 4:off, 3:off, 2:on, 1:x - special 983 kbps, normal operation
**6:off, 5:on, 4:off, 3:on, 2:on, 1:x - baud rate via TH1
**6:off, 5:on, 4:on, 3:off, 2:on, 1:x - special 614.4 kbps
The switches are numbered 6,5,4,3,2,1 from left to right. An "x" indicates irrelevant (don't care) for that switch. Some switches with special meaning
*5:on - normal operation, processor clock enabled
*5:off - processor clock disabled (only used for card tester)
*2:on - normal operation, baud rate oscillator enabled
*2:off - baud rate oscillator disabled (only used for card tester)
end of switch 26G.
*switch 17G - autoload function selection
*4:off, 3:off, 2:off, 1:off - normal operation, autoload function disabled
*4:off, 3:on, 2:on, 1:on - only if remote load from line is used
*switch 13A - enable / disable BUSY
**4:x, 3:x, 2:off, 1:on - normal operation, BUSY enabled
**4:x, 3:x, 2:on, 1:off - BUSY disabled
x = irrelevant

and one indicator (lowest on the card)
*transmission clock - yellow LED - lights up when transmission clock is '''not''' running

==Connectors==
The A and B connectors are used for I/O, the C connector is used for the [[ND-100 Bus]].
==I/O Devices on the card==
none?
==Reference==
{{ND-doc|06.015.02}}

[[Category:ND-100 hardware]]