Internal Options (Nt4X25Aa /Ae /Af /Ag /Ah /Ak /An /Ap /Ax /Az) - Northern Telecom DMS-100 Series Installation And Maintenance Manual

0
0
0 * you turn the data unit from off to on
0 * you toggle the Assert DTR switch from off to on
0 * you press the DN key
0 * after a DU self-test has completed
0 The data call can only be
0 unit, by pressing the release key.
0 the data call at the called data unit, the calling data unit with
0 the VPL feature will attempt to re-establish the data call.
0 the data unit with the VPL feature does not re-establish the call
0 to the far end data unit within approximately 44 seconds, the VPL
0 data unit will again try to re-establish the call.
0 will try to
0 key.
0

Internal Options (NT4X25AA /AE /AF /AG /AH /AK /AN /AP /AX /AZ)

0 The options described in this section are available on
0 units. They
0 card inside the data unit.
0 tory, and do not normally need to be reset.
0 settings can be changed (see Setting the
0 on page 4-1).
0
Master/Slave Sealing Current:
0 This option
0 Sealing current to be connected or disconnected
0 When set to Master, a sealing current is
0 two data units are connected back-to-back.
0 connected in a switched configuration, set this option to Slave.
0 Signal/Frame Ground:
0 This option allows the signal ground to be connected or
0 from the ac
0 connected to the ac ground; when set to Frame, the signal
0 is isolated
0 Ground.
0 Master/Slave:
0 This option configures the data unit for operation as a master or
0 slave unit.
0 tion, set this
0 installed in a non-switched configuration, set one DU
0 and the other
0 Slave.
0 Switched/Non-Switched:
0 This option selects the configuration of the DU, either
0 or non-switched
0 switched configuration through the
0
disconnected
re-establish the call until you press the release
are set using DIP switches located on the circuit
These options are preset at the
(SW1 four switch slides ganged together) allows a
ground. When set to Signal, the signal ground is
from the ac ground.
When the DU is installed in
option to the Slave position.
to the Slave position.
(back-to-back).
VINTAGE 05.01
from the
If you attempt to disconnect
If required, these
Configuration
from
placed on the loop when
If the data unit is
This option is preset to Frame
a switched
When two DUs are
This option is preset to
When the DU is connected in a
DMS-100 Family
297-2121-226
calling data
If
The data unit
all data
fac-
Switches
the loop.
isolated
ground
configura-
to Master
switched
switch, set
3-23