Hubbel GAI-Tronics 298, Руководство пользователя

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Model 298 ADA-Compliant Emergency Telephone Pub. 42004-304A
f:\standard ioms - current release\42004 instr. manuals\42004-304a.doc
06/02
Ring-down Operation
Ring-down operation enables the telephone to go off-hook when the E
MERGENCY
push button is pressed.
The ring-down system must detect loop current and ring-down to the appropriate telephone. Ring-down
operation can be enabled with the
K
EY
S
WITCH
enabled or disabled.
Feature
Key
Sequence
Description Default
Ring-down
Operation (
KEY
SWITCH
disabled)
*1 This option clears the telephone number to prevent auto-
dialing when the button is pressed. Once the button is
pressed, the ring-down system must detect loop current
and ring-down to the appropriate telephone. None
Ring-down
Operation (
KEY
SWITCH
enabled)
*2 This option clears the telephone number to prevent auto-
dialing when the button is pressed and the
KEY SWITCH
is enabled. Once the button is pressed, the ring-down
system must detect loop current and ring-down to the
appropriate telephone.
None
Figure 4. Key Switch Connections