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A dual interface to Cambridge ring and Ethernet-type local networks

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A dual interface to Cambridge ring and Ethernet-type local networks. / Hutchison, David; Balfour, Jacqueline; Mariani, John.
In: Microprocessing and Microprogramming, Vol. 13, No. 2, 01.02.1984, p. 97-104.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Hutchison, D, Balfour, J & Mariani, J 1984, 'A dual interface to Cambridge ring and Ethernet-type local networks', Microprocessing and Microprogramming, vol. 13, no. 2, pp. 97-104. https://doi.org/10.1016/0165-6074(84)90071-1

APA

Hutchison, D., Balfour, J., & Mariani, J. (1984). A dual interface to Cambridge ring and Ethernet-type local networks. Microprocessing and Microprogramming, 13(2), 97-104. https://doi.org/10.1016/0165-6074(84)90071-1

Vancouver

Hutchison D, Balfour J, Mariani J. A dual interface to Cambridge ring and Ethernet-type local networks. Microprocessing and Microprogramming. 1984 Feb 1;13(2):97-104. doi: 10.1016/0165-6074(84)90071-1

Author

Hutchison, David ; Balfour, Jacqueline ; Mariani, John. / A dual interface to Cambridge ring and Ethernet-type local networks. In: Microprocessing and Microprogramming. 1984 ; Vol. 13, No. 2. pp. 97-104.

Bibtex

@article{c8172eca09ea4697b553e7bf1d5d03db,
title = "A dual interface to Cambridge ring and Ethernet-type local networks",
abstract = "In the Computer Science Department at Strathclyde University an Ethernet-type local network (called Strathnet) and a Cambridge Ring are being installed in parallel, to allow comparisons and experiments on the dual network. The Cambridge Ring is a 'Polynet' supplied by Logica VTS Ltd.; in this system the interfaces to our PDP-11s are UMC-Z80 based boards, operating in DMA mode, each UMC board equipped with two parts. The first port is interfaced to a Ring node, using standard Polynet hardware, whereas the second is connected to Strathnet by means of an interface board which we have designed and built to implement a simple subset of the Polynet node register set. This configuration gives an ideal dual access to the two local networks from the PDP-11 hosts in the Department, and avoids the expense of building DMA interfaces to the PDP-11 UNIBUS for Strathnet. Our paper describes the design and implementation of the hardware and software involved in the Strathnet to UMC-Z80 interface, and outlines the way in which the dual system will be used for initial experiments.",
keywords = "access unit, Cambridge Ring, DMA, Ethernet, Interface, local network",
author = "David Hutchison and Jacqueline Balfour and John Mariani",
year = "1984",
month = feb,
day = "1",
doi = "10.1016/0165-6074(84)90071-1",
language = "English",
volume = "13",
pages = "97--104",
journal = "Microprocessing and Microprogramming",
issn = "0165-6074",
publisher = "Elsevier BV",
number = "2",

}

RIS

TY - JOUR

T1 - A dual interface to Cambridge ring and Ethernet-type local networks

AU - Hutchison, David

AU - Balfour, Jacqueline

AU - Mariani, John

PY - 1984/2/1

Y1 - 1984/2/1

N2 - In the Computer Science Department at Strathclyde University an Ethernet-type local network (called Strathnet) and a Cambridge Ring are being installed in parallel, to allow comparisons and experiments on the dual network. The Cambridge Ring is a 'Polynet' supplied by Logica VTS Ltd.; in this system the interfaces to our PDP-11s are UMC-Z80 based boards, operating in DMA mode, each UMC board equipped with two parts. The first port is interfaced to a Ring node, using standard Polynet hardware, whereas the second is connected to Strathnet by means of an interface board which we have designed and built to implement a simple subset of the Polynet node register set. This configuration gives an ideal dual access to the two local networks from the PDP-11 hosts in the Department, and avoids the expense of building DMA interfaces to the PDP-11 UNIBUS for Strathnet. Our paper describes the design and implementation of the hardware and software involved in the Strathnet to UMC-Z80 interface, and outlines the way in which the dual system will be used for initial experiments.

AB - In the Computer Science Department at Strathclyde University an Ethernet-type local network (called Strathnet) and a Cambridge Ring are being installed in parallel, to allow comparisons and experiments on the dual network. The Cambridge Ring is a 'Polynet' supplied by Logica VTS Ltd.; in this system the interfaces to our PDP-11s are UMC-Z80 based boards, operating in DMA mode, each UMC board equipped with two parts. The first port is interfaced to a Ring node, using standard Polynet hardware, whereas the second is connected to Strathnet by means of an interface board which we have designed and built to implement a simple subset of the Polynet node register set. This configuration gives an ideal dual access to the two local networks from the PDP-11 hosts in the Department, and avoids the expense of building DMA interfaces to the PDP-11 UNIBUS for Strathnet. Our paper describes the design and implementation of the hardware and software involved in the Strathnet to UMC-Z80 interface, and outlines the way in which the dual system will be used for initial experiments.

KW - access unit

KW - Cambridge Ring

KW - DMA

KW - Ethernet

KW - Interface

KW - local network

U2 - 10.1016/0165-6074(84)90071-1

DO - 10.1016/0165-6074(84)90071-1

M3 - Journal article

AN - SCOPUS:0021372078

VL - 13

SP - 97

EP - 104

JO - Microprocessing and Microprogramming

JF - Microprocessing and Microprogramming

SN - 0165-6074

IS - 2

ER -