Lucent Technologies DEFINITY Enterprise Communications Server Release 8.2 System Description Manual

DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Cabinets, Carriers, and Circuit Packs 
91 Carriers in MCCs 
J58890SA  Switch Node Carrier (SN) 
The Switch Node Carrier (SN) (J58890SA) is used in R8r and later only. See Figure 39 for 
a representative example. The SN can contain one or two switch node clocks, up to 16 
Switch Node Interface (SNI) circuit packs, 1 or 2 DS1 converter circuit packs, one EI 
circuit pack, and 2 AC or DC power units....

Cabinets, Carriers, and Circuit Packs 
92 Single-Carrier Cabinets 
DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Single-Carrier Cabinets
This section describes the following types of Single-Carrier Cabinet (SCC):
nBasic Control Cabinet (si model) (J58890L)
nDuplicated Control Cabinet (J58890M)
nExpansion Control Cabinet (J58890N)
nPort Cabinet (J58890H)
nCompact Modular Cabinet (csi model) (J58890T)
nDC power distribution cabinet
Figure 40 shows...

DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Cabinets, Carriers, and Circuit Packs 
93 Single-Carrier Cabinets 
Figure 40. Typical SCC 
A maximum of 4 SCCs can stack on top of each other. The cabinet positions are labeled 
A through D. The position of the basic control cabinet or expansion control cabinet is 
always labeled A. Additional port cabinet positions are labeled B, C, and D, sequentially. 
The Duplicated Control Cabinet is labeled B....

Cabinets, Carriers, and Circuit Packs 
94 Single-Carrier Cabinets 
DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
.
Figure 41. Typical SCC Stack
Each stack of SCCs requires 1 basic- or Expansion-Control Cabinet at the bottom of the 
stack. Three is the maximum number of port cabinets per stack.
Cabinet clips connect the cabinets together. At the rear of the cabinets, a ground plate 
connects between cabinets for ground integrity. Chapter 2,...

DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Cabinets, Carriers, and Circuit Packs 
95 Single-Carrier Cabinets 
Carrier Circuit Pack Slots
There are 3 primary types of circuit pack slots in the carriers: 
NOTE:
The purple-colored and white-colored circuit packs and slots are being replaced 
by circuit packs and slots labeled with gray and white rectangles, respectively. A 
label with a solid gray rectangle indicates a port slot/circuit pack. A...

Cabinets, Carriers, and Circuit Packs 
96 Carriers in SCCs 
DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Carriers in SCCs
J58890L  Basic Control Cabinet (si model)
The Basic Control Cabinet is in the PPN only. It contains ports, a control complex to 
perform call processing, and an interface to an optional Duplicated Control Cabinet. It 
also interfaces to the optional STRATUM 3 Clock. See Figure 42 for an example.
The Basic Control Cabinet has...

DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Cabinets, Carriers, and Circuit Packs 
97 Carriers in SCCs 
J58890M  Duplicated Control Cabinet 
The Duplicated Control Cabinet is optional and is only in the PPN in R7si or later. See 
Figure 43 for a representative example. This cabinet contains ports, a duplicated control 
complex, and an interface to a designated expansion control cabinet.
The Duplicated Control Cabinet has dedicated white...

Cabinets, Carriers, and Circuit Packs 
98 Carriers in SCCs 
DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Figure 43.Duplicated Control Cabinet (J58890M) (Front)
.Ta b l e  2 1 .Duplicated Control Cabinet (J58890M) Connectors
Connector Function
01 to 16 (A01 to A16) 25-pair connectors provide interfaces between port circuit 
packs and the cross-connect field or a cable-access panel (if 
provided)
TERM (Terminal) Connects an administration...

DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Cabinets, Carriers, and Circuit Packs 
99 Carriers in SCCs 
J58890N  Expansion Control Cabinet 
The Expansion Control Cabinet contains ports, a tone-clock, an interface to a port 
cabinet, and an optional maintenance interface. It is only in an EPN. See Figure 44 for a 
representative example.
The Expansion control Cabinet is the first in an EPN stack of SCCs. It has optional port 
circuit packs in...

Cabinets, Carriers, and Circuit Packs 
100 Carriers in SCCs 
DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Ta b l e  2 2 .Expansion Control Cabinet (J58890N) Connectors
Connector Function
1 (A1) Fiber optic cable interface between an expansion interface (EI) 
circuit pack in slot 1
1 and an EI circuit pack in another PN.
1.In systems using ATM-PNC, the fiber connectors for the OC-3/STM-1 interfaces to the
ATM switches are located on the...