ZCOM Tables and Data Structures

Logical Terminal Tables

Table 3-9

Logical Terminal Table (Reserved Area) (Continued)

 

 

 

 

 

 

Field Name

 

Field Description

 

Field

Size

 

 

Type

(Bytes)

 

 

 

 

 

 

 

 

 

 

LTZMXP

 

ZCOM address of multiplexing program

 

struct

6

 

 

 

 

 

 

LTZPRCVR

 

ZCOM addr. of indirect primary receiver

 

struct

6

 

 

 

 

 

 

SPARE1

 

Reserved, not used

 

int

4

 

 

 

 

 

 

LTZSHRCVRS

 

Pointer to list of indirect shared receivers

 

pointer

8

 

 

 

 

 

 

LTHLDQ

 

Sub-packet holding queue (0)

 

struct

56

 

 

 

 

 

 

LTHDQN

 

Data holding queues (1~4)

 

struct [4]

4*56

 

 

 

 

 

 

 

This is followed by LTUSER - the user maintainable area - which

 

consists of the fields shown in Table 3-10.

 

 

 

Table 3-10

Logical Terminal Table (User Maintainable Area)

 

 

 

 

 

 

 

Field Name

 

Field Description

Field Type

Size

 

(Bytes)

 

 

 

 

 

 

 

 

 

LTADDR

Logical terminal address

uns.short[10]

10

 

 

 

 

LTSTAT

Logical status

uns.short

2

 

 

 

 

LTCWCT

Control write counter

uns.int

4

 

 

 

 

LTTXCT

Transmit counter

uns.int

4

 

 

 

 

LTRXCT

Receive counter

uns.int

4

 

 

 

 

LTERCT

Error counter

uns.int

4

 

 

 

 

LTAPNO

System application number

uns.short

2

 

 

 

 

LTINST

Terminal institution number

uns.short

2

 

 

 

 

LTBRCH

Terminal branch number

uns.short

2

 

 

 

 

LTWORK

Terminal workstation number

uns.short

2

 

 

 

 

LTAREA

Terminal area number

uns.short

2

 

 

 

 

LTNAME

Terminal name (30 bytes)

char [30]

30

 

 

 

 

 

 

 

 

 

 

 

 

Chapter 3

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