User`s guide

88 DC 900-1317J
ADCCP NRM Programmer’s Guide
local station address field length and content. The existence of the primary station is
implied; the client does not configure the primary station itself.
The client configures a local secondary station by specifying the local station address
field length and content, and zeroing the remote station address field length and con-
tent. The existence of a remote primary station is implied.
NRM and NRME operations support only unbalanced configurations: the balanced
configuration (Section 2.2 on page 33) and symmetric configuration (Section 2.3 on
page 33) and are not supported. Therefore, the client cannot configure both primary
and secondary stations on the same physical link.
4.1.2.3 Timer and Retry Limit Adjustment
A set of timer and retry limit parameters (see Section 3.4.20.3 on page 75) is associated
with each station. The client may adjust one or more of these parameters for each sta-
tion individually, even when the station is active. The client adjusts these parameters by
sending the third variant of the
DLI_PROT_CFG_LINK packet (see Tabl e 3– 8 on page 75).
The client must specify the
iProtModifier field (–1), the usProtXParms[0] field (station
ID), the
usProtXParms[1] field (data size = 10), and the data area content.
4.1.3 Logically Disconnected State Operation
When the ICP configuration procedure is complete, the client must enable the physical
link in order to place all stations configured on the link in the logically disconnected
operational state. The client sends a
DLI_PROT_SEND_BIND packet specifying the link ID
and a zeroed
usProtXParms[0] field (station ID). The ICP enables the physical link, then
responds with a
DLI_PROT_RESP_BIND_ACK packet containing the same link ID and zeroed
usProtXParms[0] field (station ID). Once the physical link is enabled, each station
remains in the logically disconnected state until the client enables the station or requests
station initialization.