Reference Guide

ZCOM Tables and Data Structures
Message Header
Chapter 3 117
This field contains the request code sent to or received from the Mux
firmware on the interface card. The message request code values are
shown in Table 3-39.
MRQTERM - Terminal number
This is the relative terminal number within the Mux card. It comes from
the PTTERM field in PTT.
MRQSTAT - Request status
This is the status code returned from the protocol module and may be
protocol type dependent.
MRQTAG - Tag parameter
Table 3-39 MRQCODE Terminal request codes
Request Value Description
ZCOM_MRQCODE_UND 0 Undefined type
ZCOM_MRQCODE_READ 1 Terminal input
ZCOM_MRQCODE_WRITE 2 Terminal write
ZCOM_MRQCODE_CNTWR 3 Terminal write
ZCOM_MRQCODE_STDT 4 (Internal Use) status transfer
ZCOM_MRQCODE_STATUS 5 Unsolicited status change
ZCOM_MRQCODE_TERM 6 Set terminal parameters
ZCOM_MRQCODE_ENB 7 Terminal enable
ZCOM_MRQCODE_DSB 8 Terminal disable
ZCOM_MRQCODE_ACT 9 Message from remote terminal
ZCOM_MRQCODE_DEA 10 Terminal deactivate
ZCOM_MRQCODE_DEL 11 Terminal delete
ZCOM_MRQCODE_PORT 14 Port configuration
ZCOM_MRQCODE_MULTI 15 Multi-completion RXDT request code