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Traverse Installation and Commissioning Guide, Section 2: Network Interface Specifications
Traverse 1600 DS3/E3 Card Cabling Schemes
Page 2-38
Turin Networks
Release TR3.2.1
Traverse 1600
DS3/E3 Card
Cabling
Schemes
The Traverse 1600 main backplane design supports 1:1 and 1:2 equipment protection
and unprotected cabling schemes. Both 1:1 and 1:2 equipment protection groups can
start in any odd or even slot.
, Appendix A—“Card Placement Planning and
Guidelines,” page 12-1 for further card placement guidelines and restrictions.
Table 2-16 Traverse 1600 DS3 Card Cabling Schemes
Card Type
Cabling
Scheme
ECM
Type
Maximum
Protection
Groups
(PG)
Total # of
Working
Ports
(electrical)
Total #
of ECM
Slots
(In Use)
Comments
(Front Shelf Perspective)
12-port
DS3/E3/EC-1,
12-port
DS3/EC-1
Transmux
1:2 protection
3-slot
DS3/E3
(24-port
BNC)
4
96
12
The center (n+1) card protects left- (n)
and right-adjacent (n+2) cards.
1:1 protection
48
8
Either the left-adjacent (n) or
right-adjacent (n+2) slot from the
protection slot is the working slot. The
remaining adjacent slot is open in this
configuration. Do one of the following:
•
Leave open slot for future upgrade to
1:2 protection.
•
Place an optic card in the open slot.
2-slot
DS3/E3
(12-port
BNC)
6
72
12
Either the left- (n) or right-adjacent
(n+2) slot from the protection slot is the
working slot.
Unprotected
3-slot
DS3/E3
(24-port
BNC)
N/A
96
8
3-slot DS3/E3 ECMs provide direct
cable access to only the center (n+1) and
right-most (n+2) cards, so place an optic
card in the left (n) slot.
2-slot
DS3/E3
(12-port
BNC)
72
6
2-slot DS3/E3 ECMs provide direct
cable access to only the right-most (n+2)
card, so place an optic card in the
left-most (n) slot.
24-port
DS3/E3/EC-1,
UTMX-24,
UTMX-48
1:2 protection
3-slot
DS3/E3
(48-port
Mini-
SMB)
4
192
12
The center (n+1) card protects left- (n)
and right-adjacent (n+2) cards.
1:1 protection
96
8
Either the left- (n) or right-adjacent
(n+2) slot from the protection slot is the
working slot. The remaining adjacent
slot is open in this configuration. Do one
of the following:
•
Leave open slot for future upgrade to
1:2 protection.
•
Place an optic card in the open slot.
Unprotected
N/A
192
3-slot DS3/E3 ECMs provide direct
cable access to only the center (n+1) and
right-most (n+2) cards, so place an optic
card in the left (n) slot.