BS 5836:1980

National foreword
Cooperating organizations
1. Introduction
1.1 General
1.2 Object
1.3 Scope
2. Interpretation of this standard
3. The branch
4. Use of lines at a Branch-highway port
4.1 Command
4.2 Data and status
4.3 Timing (BTA, BTB1 to BTB7)
4.4 Demand handling
4.5 Common controls
4.6 Reserved lines and free lines (BV1 to BV7)
5. Branch operations
5.1 Command mode operations
5.2 Graded-L operations
5.3 Differential delays (skew)
5.4 Identification of on-line crate controllers
6. Connectors
6.1 Connection to screen of Branch-highway cable
7. Signal standards at Branch-highway ports
7.1 Inputs
7.2 Outputs
7.3 Terminations
7.4 Off-line and power-of conditions
Appendix A - Specification of CAMAC crate controller
             Type A1
Tables
I. Signal lines at Branch-highway ports
II. Station number codes used in crate controllers
III. Sequence of command mode operation
IV. Sequence of graded-L operation
V. Standard connector for Branch-highway ports
VI. Contact assignments at Branch-highway ports: By
      signals
VII. Contact assignments at Branch-highway ports: By
      contact numbers
VIII. Signal standards at Branch-highway ports
IX. Commands implemented by CAMAC crate controller
      Type A1
X. Contact assignments for rear connector of crate
      controller Type A1
Figures
1. CAMAC branch: Chain configuration
2. CAMAC branch: Example of an alternative
    configuration
3. Timing of branch read operation
4. Timing of branch write operation
5. Branch-highway ports: Arrangement of connectors on
    crate controllers
6. Branch-highway ports: Contact layout (front view of
    fixed connector)
7. CAMAC crate controller Type A1
Index

Defines additional features of the CAMAC modular instrument systems such as signals, timing and logical organization of the connections from crate controllers and branch drivers to the Branch-highway through a defined 132-way connector.