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3-6 August 2003 Access Navigator - Release 1.8
Access Navigator / GR-303 + Data Host
DCS Services
DCS Services
The Access Navigator provides all the grooming and filling functions of a 1/0 digital crossconnect system
(DCS) to maximize T1 usage. With carrier/customer demarcation testing, carriers are able to decrease
maintenance costs and labor, while increasing service availability. Fractional voice and data services from
multiple customers and applications are combined by the Access Navigator to save recurring backhaul
transmission costs, and capital costs on switch or router ports.
Figure 3-4. Access Navigator Data Host Architecture
Remote
Management
RS-232
Drop
DS1s
Access
Navigator
Ethernet
Telnet &
SNMP
Data Network
Voice Switch
Groom
T1s
Internet, Data,
Private and
Special Services
DCS Voice
and Data
Voice
Public Network
24
Lines
PBX
Key System
Modem
Fax
Stations
Access Bank I
Voice
ACCE SS BAN K I
Tip & Rin g
-48Vdc
Return
Ground
T1
Framing
Output
Monitor
Input
Monitor
Alarm
Cut-Off
T1
Test
Netw ork
Loopback
Norm al
Norma l
Norma l
Self
Test
Norma l
Remot e
Status
Key System
Fax
V.35, T1
or DSL
Router
Ethernet
PBX
Stations
Access Bank II
Voice
and
Data
Voice
Lines
ACCES S BAN K II
Tip & R in g
-48Vdc
Return
Ground
T1
Span 1
T1 T es t 2
T1 Test 1
T1
Span 2
V.35
DCE
V.35
Status
RS232
Data
Adit 600
Key System
Fax
Router
Ethernet
PBX
Stations
Modem
FXS/FXO
10/100BaseT
Switch Center
Customer Premises
Co-location
Voice
and
Data
ADIT 600
DDS
ISDN BRI
T1 Drop
V.35
RS232
VoIP
T1 Drop