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Add–Drop and Cross connect features
Cross–Connections capacity
Cross connect features
Transmission delay
Protections
Network protection
Equipment protection
Management
interface
Local:
Craft Interface
(Personal Computer)
Remote:
Craft Interface
(Personal Computer)
Remote:
Transmission Manage-
ment Network (TMN)
interface
Information Model
ED
02
(256 x 256) STM1 equivalent ports at VC12 and
VC3 levels
(384 x 384) STM–1 equivalent ports at VC–4
level.
1660SM has a symmetrical architecture. All traf-
fic port (PDH SDH) of the same type have the
same functionality and behavior and there is no
inherent split between tributaries and aggregates.
This means that it is possible the allocation of the
PDH and VCi signals into every port.
Connection of concatenated AU4–4c among
STM4, STM–16, STM–64 ports is supported
125 µs maximum for any traffic pathway
SNCP/I and SNCP/N
Drop & Continue
Single ended 1+1 MSP
Dual ended 1+1 MSP
Dual ended 1:N MSP
2 fiber MS–SPRING at STM–16 and STM–64 inter-
faces
Collapsed single–node interconnection
Collapsed dual–node interconnection
1 + 1 MATRIX and Timing EPS
1+1 ATM MATRIX (4X4 and 8x8) EPS
1+1 PR_EA MATRIX EPS
1+1 ISA ES–16 EPS
N +1 63x2 Mbit/s EPS (N= 6 max)
N + 1 3 x34 Mbit/s EPS (N= 15 max)
N + 1 3 x 45 Mbit/s EPS (N= 15 max)
N + 1 4 x STM–1 Electrical EPS (N= 15 max)
N + 1 16 x STM–1 Electrical EPS (N= 15 max)
RS232 PC compatible SUB–D 9 pins at 38 Kbit/s
RS232 PC compatible SUB–D 9 pins at 38 Kbit/s;
it handles up to 31 NEs via DCC (D4 – D12 and/or
D1–D3)
G.773 QB3 10 base 2 and 10 base T
According to ITU–T (G.774) and ETSI specification
3AL 91669 AA AA
674
590
/
674
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