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Traverse Installation and Commissioning Guide, Section 2: Network Interface Specifications
Traverse 1600 DS1 and E1 Card Cabling Schemes
Page 2-26
Turin Networks
Release TR3.2.1
Traverse 1600
DS1 and E1
Card Cabling
Schemes
The Traverse 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.
Note:
The Traverse main backplanes support DS1 and E1 protected and unprotected
slots and ports simultaneously.
Table 2-11 Traverse 1600 DS1 and E1 Cabling Scheme
Card Type
Cabling
Scheme
ECM
Type
Maximum
Protection
Groups
Total #
of
Working
Ports
Total #
of ECM
Slots
(In Use)
Comments
(Front Shelf
Perspective)
DS1 (28-port)
1:2 protection
2-slot
DS1/E1
(Telco 64)
4
224
12
The center card (n+1) protects
left-adjacent (n) and
right-adjacent (n+2) cards.
1:1 protection
6
168
12
Either the left-adjacent (n) or
right-adjacent (n+2) card from
the protecting card (n+1) is the
working card.
Unprotected
N/A
336
12
DS1/E1 ECM provides direct
cable access to both cards (n and
n+1).
E1 (21-port)
1:2 protection
2-slot
DS1/E1
(Telco 64)
4
168
12
The center card (n+1) protects
the left-adjacent (n) and
right-adjacent (n+2) cards.
3-slot E1
(Mini-SMB)
1:1 protection
2-slot
DS1/E1
(Telco 64)
6
126
12
Either the left-adjacent (n) or
right-adjacent (n+2) card from
the protecting (n+1) card is the
working card.
3-slot E1
(Mini-SMB)
4
168
8
Either the left-adjacent (n) or
right-adjacent (n+2) card from
the protecting card is the
working card. 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.
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