Tadiran Telecom Coral IPx 500, Installation Manual

Page: 503 / 544

Shared Service Ports
9-75
V
o
ice Pa
gin
g
(Pub
lic Add
res) and
Rel
a
y-1
Pu
bli
c Ad
dr
ess
9
The relay contact closes continuously during access to the voice page interface.
Although not always required, the relay contact is often utilized for "Mac Precedence"
or "Mute Control" to mute background music during voice pages. The control of high
voltage, high current, or inductive loads should be avoided.
Table 9-1 on page 9-11
lists the function of each interface pin, as they appear on the
Auxiliary I/O connector located on the left top main cage,
Figure 9-2 on page 9-12
illustrates that connector.
The RLY1 relay contacts have specific electrical limitations which are described in
detail in
page 9-87, Relay Contacts
. These limitations must not be exceeded. In addition,
the type of load the relay contact operates can have a great significance.
Additional Paging ports may be installed in the optional Coral IPx 800X Expansion
Cage. The additional cards include:
:
These cards are described in the Coral Service and Peripheral Cards Installation Manual .
Shared service cards may be installed in any available peripheral card slot in the
optional Coral IPx 800X expansion unit.
5 Relay Electrical Limitations
6 Additional Paging Interface in the optional IPx 800X Cage
Card Description
8DRCF Includes the following functions, among others:
„
1 external voice paging interface (or public address) and relay contacts