Technical Data
Interfaces
Compliant with the ITU-T Recommendations:
General
G.707 (includes G.708 and G.709)
Equipment
G.781, G.782, G.783, G.784, G.813
Physical interface
G.957 & G.691 for optics and G.703 for
electrical interfaces.
Performance requirements
G.823, G.825, G.826
Mapping Structure
AU4, AU-3 to TU-3, TU-3 & TU-12
(TU-11), VC-4, VC-3 and VC-12
Electrical Interfaces
1.5 Mbps a-synchronous/byte-synchronous
63 (DS-1) interfaces per circuit pack
2 Mbps a-synchronous/byte-synchronous
63 (E1) interfaces per circuit pack
34 / 45-Mbps and 45 Mbps a-synchronous
12 (E3/DS-3) interfaces per circuit pack
140 Mbps/STM-1 electrical intra-station
4 (E4/STM-1) interfaces per circuit pack
Optical Interfaces
Ethernet 10/100 BASE-T & (ML-PPP) 8 interfaces per circuit pack
STM-0 (51840 kbps) interface
12 x interfaces per circuit pack
STM-1/OC-3 (155520 kbps) interface
4 x (S-1.1 & L-1.2) interfaces per circuit
pack
STM-4/OC-12 (622080 kbps) interface
1 x (S-4.1 & L-4.2) interface per circuit
pack
STM-16 (2 488 320 kbps) interfaces
1 x (L-16.1, L-16.2 & L-16.3) interface
per circuit pack
Optical Booster/Pre-amplifier
1 x (U-16.2/3) interface per circuit pack
Optical Booster
1 x (V-16.2/3) interface per circuit pack
OLS 80G (DWDM) interworking
1 x interface per circuit pack, 16 different
wavelengths (1549 - 1559 nm )
OLS 400G (DWDM) Interworking
1x interface per circuit pack, 80 different
wavelengths (1530 - 1565 nm )
Data interfaces:
Six user selectable datachannels
User can select out of E1, E2, F1, F2
and NU bytes (4xG.703 and 2xV.11)
Standard External clock interfaces
Two programmable Input/Output
station clock interfaces: 2048 kHz
(G703.10) or 2048 kbps
(G703.6), 75 or 120
W
Bandwidth Management
System capacity:
VC-12: 504 x 1.5 Mbps, 504 x 2 Mbps,
VC-3: 48 x 34 Mbps, 96 x 45 Mbps,
96 x STM-0,
VC-4: 32 x 140 Mbps, 32 x STM-1 or
8 x STM-4
Complete VC-4 Cross-connecting
Higher Order Cross-connect size 64 x 64 VC-4
Lower Order Cross-connect currently 16x16 and 32 x 32 VC-4
Fixed Cross-Connect for 0x1 and 0x2 Terminal Applications
Uni & Bi-directional Cross-connecting
Broadcast connections type VC-n
VC-4-4c Continuos Concatenation
Higher Order and Lower Order broadcast functionality 1:N (N£9)
Protection access (LPT) on
MS-SPRing
Scalable MS-SPRing
Drop & Continue
Performance requirements
Jitter on STM-N interfaces
G.813, G.825
Jitter on PDH interfaces
G.823, G.783
Error Performance
G.826
Performance monitoring
G.784, G.826
ADM161_PB025.qxd 11/10/2000 3:17 PM Page 6
