Header displayed that groups related information for a system concerning
communications data.
- Message Object Anchors
- This header indicates that the following anchor fields represent
pointers to message objects:
- First pending response object
- Represents the pointer to the first pending response object
for this system.
- Last pending response object
- Represents the pointer to the last pending response object for
this system.
- First message object
- Represents the pointer to the first message object for this
system.
- Last message object
- Represents the pointer to the last message object for this system.