Reliant Octel 200 and Octel 300 Message Servers PB6001401 Manuale Utente Pagina 493

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DTIC
10-1
Octel Overture 200/300 Serenade 3.0
PB60014–01
10.1 DIGITAL
TRUNK INTERF
ACE CARD (DTIC) OVER
VIEW
The DTIC is applicable only to specific Octel channels
in Europe and is available only through those channels.
This
chapter contains information specific to the digital trunk interface card (DTIC). Included are details
about hardware, installation, configuration, and maintenance and troubleshooting. The DTIC is not
documented elsewhere in this manual.
The DTIC is a 30-port line card designed to interface an
Octel Overture 200/300 to E1 trunks.
E1 trunks are the European “building block” standard for Wide Area Network (W
AN) communication.
E1 is specified by CCITT and also standardized by ETSI. An E1 trunk can carry 30 simultaneous phone
calls plus signaling information. A port carries voice and data for calls. Each port can be viewed as a
“virtual” telephone connection where each end is either on hook or of
f hook.
For the DTIC to operate correctly
, two tables must be configured in the Octel Overture 200/300: the
SLOTS T
able and the SYSTEM P
ARAMETER T
able. An LSP T
able is also used by the Octel Overture
200/300. A COS must be configured for each of the 30 DTIC ports.
DTIC
Hardware
The
DTIC consists of two major processing components: the control processor (CP) and five digital
signal processors (DSPs). Refer to Figure 10-1 showing the layout of the primary components on the
card.
T
o connect the Octel Overture 200/300 to the PBX, use two 75-ohm coax cables. Be sure that the sw1
and sw2 switches on the card are set correctly to 75 ohms and 120 ohms for Germany
. Refer to
Figure 10-1.
Three kits are available.
Kit Name
Kit Part Number
Included in Kit
75 ohm DTIC–E1 Kit
740-6254-002
DTIC–E1 card, DTIC-E1 adapter (BNC version),
grounding strip, EMI suppression material, and
fastening hardware (does not include cables)
120 ohm DTIC–E1 Kit
740-6254-003
DTIC–E1 card, grounding strip, EMI suppression
material, and fastening hardware (does not include
cables)
DTIC–E1 Grounding
Strip Materials Kit
740-6255-001
Grounding strip and fastening hardware (does not
include cables)
Refer to the Installation chapter, DTIC Pin Assignment section, for the 50-pin telco connector pin
assignments for the DTIC. Refer to the Hardware Replacement chapter, DTIC Replacement section, for
the procedure for replacing/installing a DTIC.
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