MSR control byte values
A selection of MSR control byte values has been created for CICS® and stored in the copybook DFHMSRCA. The following table shows you the meaning of each bit.
The constants supplied in DFHMSRCA are listed in Table 1.
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STATE MASK
If a bit is on in the STATE MASK byte, the state it represents is adopted by the device if the corresponding bit is also on in the STATE VALUE byte.
- 0 USER
- User mode. Turn on the yellow light if the same bit is on in STATE VALUE.
- 1 LOCK
- Locked/Unlocked. If locked, MSR input is inhibited.
- 2 AUTO
- Autoenter on/off. If set on, any card read by the MSR causes an ENTER operation. If off, only a secure card causes an ENTER.
- 3 Ai1S
- Suppress audible alarm 1.
- 4 Ai2S
- Suppress audible alarm 2.
STATE VALUE
Modifies state to on or off if the corresponding bit is set on in STATE MASK.
INDICATOR MASK
Performs a similar function to STATE MASK, but for indicators.
- 0
- Light 1 (Green)
- 1
- Light 1 (Green)
- 2
- Light2 (Yellow)
- 3
- Audible alarm 1 (Long buzz)
- 4
- Audible alarm 2 (Short buzz)
INDICATOR VALUE
Performs a similar function to STATE VALUE.