H765 Power System - Revision history

Jnc: New cat

2023-07-10T13:39:33Z

New cat

Jnc: New cat, +link

2022-06-16T12:20:26Z

New cat, +link

Jnc: minor copyedit

2019-06-12T00:01:10Z

minor copyedit

Jnc: Add pics, link to customer page for board, move content there

2019-06-10T18:24:31Z

Add pics, link to customer page for board, move content there

Jnc: Add failure info

2019-06-06T17:05:50Z

Add failure info

Jnc: Add 15V board info

2019-06-06T16:50:44Z

Add 15V board info

Jnc: Avoid redir after rename

2018-09-26T21:58:46Z

Avoid redir after rename

Jnc: Add link to wire harness colours

2018-09-25T22:30:55Z

Add link to wire harness colours

Jnc: Mention/link standard connectors

2018-09-25T20:56:09Z

Mention/link standard connectors

Jnc: Mention remote off/on

2018-09-20T00:26:45Z

Mention remote off/on

← Older revision		Revision as of 13:39, 10 July 2023
Line 23:		Line 23:
	* [[H742 Power Supply]]		* [[H742 Power Supply]]

−	[[Category: DEC ~~Electrical~~]]	+	[[Category: DEC Power Supplies]]

@@ Line 5: / Line 5: @@
 Generally the [[power harness]] supports only a fixed arrangement as to which regulator can be in which spaces; e.g. the BA11-K harness mandates that #2 and #3 hold [[H744 +5V Regulator]]s, #1 holds an [[H745 -15V Regulator]], and #4 may hold an [[H754 +20V, -5V Regulator]].
-[[Image:DEC 7010138 Harness.jpg|thumb|right|300px|7010138 harness]]
+[[Image:DEC 7010138 Harness.jpg|thumb|right|300px|70-10138 harness]]
-A [[DEC Power Line Monitor|5411086 board]] in the H765 supplies a modest amount of +15V DC power to various backplanes mounted in the BA11-K, along with a [[line time clock]] signal, and AC and DC 'power OK' signals. A special 7010138 harness is used to connect the edge finger connectors of the 5411086 to the power distribution board in the BA11-K.
+A [[DEC Power Line Monitor|54-11086 board]] in the H765 supplies a modest amount of +15V DC power to various backplanes mounted in the BA11-K, along with a [[line time clock]] signal, and AC and DC 'power OK' signals. A special [[DEC part number|70-10138]] harness is used to connect the edge finger connectors of the 54-11086 to the power distribution board in the BA11-K.
 The BA11-K harness used [[DEC power distribution connectors]] to provide power to standard backplanes; it normally used the [[DEC standard power wire colour coding]].
@@ Line 17: / Line 17: @@
 ==Issues==
-Some components on the 5411086 board are not protected by a [[fuse]]; if they fail 'closed', since AC to that board enters through contacts on the edge connector, those contacts may be damaged.
+Some components on the 54-11086 board are not protected by a [[fuse]]; if they fail 'closed', since AC to that board enters through contacts on the edge connector, those contacts may be damaged.
 ==See also==
@@ Line 23: / Line 23: @@
 * [[H742 Power Supply]]
-[[Category: DEC Hardware]]
+[[Category: DEC Electrical]]

@@ Line 1: / Line 1: @@
-The '''H765 Power System''' is a modular [[power supply]] system from [[Digital Equipment Corporation|DEC]], used in the [[BA11-K mounting box]]. In addition to [[main memory]] and [[device controller]]s on other [[PDP-11]]'s, the BA11-K was used to hold [[PDP-11/04]] and [[PDP-11/34]] [[Central Processing Unit|CPU]]'s.
+The '''H765 Power System''' is a modular [[power supply]] system from [[Digital Equipment Corporation|DEC]], used in the [[BA11-K mounting box]] and variants thereof. In addition to [[main memory]] and [[device controller]]s on other [[PDP-11]]'s, the BA11-K was used to hold [[PDP-11/04]] and [[PDP-11/34]] [[Central Processing Unit|CPU]]'s.
 The main [[transformer]] in the H765 supplies 20-30V [[Alternating current|AC]] to several [[DEC standard modular regulators]] (up to four, in spaces numbered '1' through '4') mounted in the H765, which provide other voltages such as +5V [[Direct current|DC]] to the [[backplane]]s in the mounting box.
@@ Line 11: / Line 11: @@
 The BA11-K harness used [[DEC power distribution connectors]] to provide power to standard backplanes; it normally used the [[DEC standard power wire colour coding]].
-When the BA11-K is used in custom configurations to hold other sub-systems (such as the [[MJ11 memory system]] and [[MK11 memory system]]), other regulator configurations may be used, along with a custom main harness, and harness to the 5411086; e.g. the MJ11 calls for two H744's and two H754's.
+When the BA11-K box is used in custom configurations to hold other sub-systems (such as the [[MJ11 memory system|MJ11]] and [[MK11 memory system]]s), other regulator configurations may be used (e.g. the MJ11 calls for two H744's and two H754's), along with a custom main harness, and harness to the 5411086.
-−
 The H765 runs off standard wall AC; it can be [[jumper]]ed to use either 110V or 220V supply. It supported the standard DEC [[Remote Switching Control Bus]], so it could be turned off and on from a power switch elsewhere.

@@ Line 5: / Line 5: @@
 Generally the [[power harness]] supports only a fixed arrangement as to which regulator can be in which spaces; e.g. the BA11-K harness mandates that #2 and #3 hold [[H744 +5V Regulator]]s, #1 holds an [[H745 -15V Regulator]], and #4 may hold an [[H754 +20V, -5V Regulator]].
-A 5411086 board in the H765 supplies a modest amount of +15V DC power to various backplanes mounted in the BA11-K, along with a [[line time clock]] signal, and AC and DC 'power OK' signals.
+[[Image:DEC 7010138 Harness.jpg|thumb|right|300px|7010138 harness]]
-The harness used [[DEC power distribution connectors]] to provide power to standard backplanes; it normally used the [[DEC standard power wire colour coding]].
+A [[DEC Power Line Monitor|5411086 board]] in the H765 supplies a modest amount of +15V DC power to various backplanes mounted in the BA11-K, along with a [[line time clock]] signal, and AC and DC 'power OK' signals. A special 7010138 harness is used to connect the edge finger connectors of the 5411086 to the power distribution board in the BA11-K.
-When the BA11-K is used in custom configurations to hold systems (such as the [[MJ11 memory system]] and [[MK11 memory system]]), other regulator configurations may be used, along with a custom harness; e.g. the MJ11 calls for two H744's and two H754's.
+The BA11-K harness used [[DEC power distribution connectors]] to provide power to standard backplanes; it normally used the [[DEC standard power wire colour coding]].
-The H765 supported the standard DEC [[Remote Switching Control Bus]], so it could be turned off and on from a power switch elsewhere.
+When the BA11-K is used in custom configurations to hold other sub-systems (such as the [[MJ11 memory system]] and [[MK11 memory system]]), other regulator configurations may be used, along with a custom main harness, and harness to the 5411086; e.g. the MJ11 calls for two H744's and two H754's.
 ==Issues==
@@ Line 20: / Line 22: @@
 * [[H742 Power Supply]]
 [[Category: DEC Hardware]]

@@ Line 1: / Line 1: @@
 The '''H765 Power System''' is a modular [[power supply]] system from [[Digital Equipment Corporation|DEC]], used in the [[BA11-K mounting box]]. In addition to [[main memory]] and [[device controller]]s on other [[PDP-11]]'s, the BA11-K was used to hold [[PDP-11/04]] and [[PDP-11/34]] [[Central Processing Unit|CPU]]'s.
-A 5411086 board in the H765 supplies a modest amount of +15V [[Direct current|DC]] power to various [[backplane]]s mounted in the BA11-K, along with a [[line time clock]] signal, and [[Alternating current|AC]] and DC 'power OK' signals.
+The main [[transformer]] in the H765 supplies 20-30V [[Alternating current|AC]] to several [[DEC standard modular regulators]] (up to four, in spaces numbered '1' through '4') mounted in the H765, which provide other voltages such as +5V [[Direct current|DC]] to the [[backplane]]s in the mounting box.
 Generally the [[power harness]] supports only a fixed arrangement as to which regulator can be in which spaces; e.g. the BA11-K harness mandates that #2 and #3 hold [[H744 +5V Regulator]]s, #1 holds an [[H745 -15V Regulator]], and #4 may hold an [[H754 +20V, -5V Regulator]].
-When the BA11-K is used in custom configurations to hold systems (such as the [[MJ11 memory system]] and [[MK11 memory system]]), other regulator configurations may be used, along with a custom harness; e.g. the MJ11 calls for two H744's and two H754's.
+A 5411086 board in the H765 supplies a modest amount of +15V DC power to various backplanes mounted in the BA11-K, along with a [[line time clock]] signal, and AC and DC 'power OK' signals.
 The harness used [[DEC power distribution connectors]] to provide power to standard backplanes; it normally used the [[DEC standard power wire colour coding]].
 The H765 supported the standard DEC [[Remote Switching Control Bus]], so it could be turned off and on from a power switch elsewhere.
 ==See also==
 * [[H742 Power Supply]]
 [[Category: DEC Hardware]]

@@ Line 1: / Line 1: @@
-The '''H765 Power System''' is a modular [[power supply]] system from [[Digital Equipment Corporation|DEC]], used in the [[BA11-K mounting box]]. In addition to [[main memory]] and [[device controller]]s on other [[PDP-11]]'s, the BA11-K was used to hold [[PDP-11/04]] and [[PDP-11/34]] systems.
+The '''H765 Power System''' is a modular [[power supply]] system from [[Digital Equipment Corporation|DEC]], used in the [[BA11-K mounting box]]. In addition to [[main memory]] and [[device controller]]s on other [[PDP-11]]'s, the BA11-K was used to hold [[PDP-11/04]] and [[PDP-11/34]] [[Central Processing Unit|CPU]]'s.
 The H765 supplies a modest amount of +15V [[Direct current|DC]] power to various [[backplane]]s mounted in the BA11-K, along with a [[line time clock]] signal, and [[Alternating current|AC]] and DC 'power OK' signals.
-It also supplies 20-30V AC to several [[DEC standard modular regulator]]s (up to four, in spaces numbered '1' through '4') mounted in the H765, which provide other voltages such as +5V to the backplanes in the mounting box.
+It also supplies 20-30V AC to several [[DEC standard modular regulators]] (up to four, in spaces numbered '1' through '4') mounted in the H765, which provide other voltages such as +5V to the backplanes in the mounting box.
 Generally the [[power harness]] supports only a fixed arrangement as to which regulator can be in which spaces; e.g. the BA11-K harness mandates that #2 and #3 hold [[H744 +5V Regulator]]s, #1 holds an [[H745 -15V Regulator]], and #4 may hold an [[H754 +20V, -5V Regulator]].

← Older revision		Revision as of 20:56, 25 September 2018
Line 8:		Line 8:

	When the BA11-K is used in custom configurations to hold systems (such as the [[MJ11 memory system]] and [[MK11 memory system]]), other regulator configurations may be used, along with a custom harness; e.g. the MJ11 calls for two H744's and two H754's.		When the BA11-K is used in custom configurations to hold systems (such as the [[MJ11 memory system]] and [[MK11 memory system]]), other regulator configurations may be used, along with a custom harness; e.g. the MJ11 calls for two H744's and two H754's.
		+
		+	The harness uses [[DEC power distribution connectors]] to provide power to standard backplanes.

	The H765 supported the standard DEC [[Remote Switching Control Bus]], so it could be turned off and on from a power switch elsewhere.		The H765 supported the standard DEC [[Remote Switching Control Bus]], so it could be turned off and on from a power switch elsewhere.