|  				 					 						| Specifications | OSN 8800 T16 | OSN 8800 T32 | OSN 8800 T64 |   						| Dimensions (mm) | 498 x 295x 450(W) (D) (H)
 | 498 x 295 x 900(W) (D) (H)
 | 498 x 580 x 900(W) (D) (H)
 |   						| Number of slots for service boards | 16 | 32 | 64 |   						| Switch | Optical | 1 to 9-degree ROADM |   						| Electrical | 1.6T ODUk(k=0, 1, 2, 2e, 3, 4, flex) 640G VC-4 and 20G VC-3/VC-12 800G Packet | Enhanced subrack:3.2T ODUk(k=0, 1, 2, 2e, 3, 4, flex)1.28T VC-4 and 80G VC-3/VC-12 1.6T Packet General subrack: 1.28T ODUk(k=0, 1, 2, 2e, 3, flex)1.28T VC-4 and 80G VC-3/VC-12
 | Enhanced subrack:6.4T ODUk(k=0, 1, 2, 2e, 3, 4, flex)1.28T VC-4 and 80G VC-3/VC-12
 
 General subrack:
 2.56T ODUk(k=0, 1, 2, 2e, 3, flex)1.28T VC-4 and 80G VC-3/VC-12
 |   						| Wavelength range | DWDM: 1529.16 nm to 1560.61 nm (Band-C, ITU-T G.694.1)CWDM: 1471 nm to 1611 nm (Band S+C+L, ITU-T G.694.2)
 |   						| Max. rate per channel | 100Gbit/s (OTU4) |   						| Max. distance | Multi-span transmission (without electrical regeneration): 32 span x 22dB/span (10G), 25 span x 22 dB/span (40G), 20 span x 22 dB/span (100G) Ultra-long single-span transmission: 1 span x 81 dB/span (10G), 1 span x 71 dB/span (40G) |   						| Service types supported | SDH, SONET, Ethernet, SAN, OTN, Video |   						| Line rate | 2.5 Gbit/s, 10 Gbit/s, 40 Gbit/s, 100 Gbit/s |   						| Max. capacity per PID group | 200 Gbit/s |   						| Topology | Point-to-point, chain, star, ring, ring-with-chain, tangent ring,intersecting ring and mesh |   						| Redundancy and Protection | Network level protection (OTN) | Optical line protection, intra-board 1+1 protection, client 1+1 protection, ODUk SNCP, tributary SNCP, SW SNCP, ODUk SPRing protection, OWSP |   						| Network level protection (OCS) | Linear MSP, MSP ring, transoceanic MSP ring, SNCP, SNCTP |   						| Network level protection (Ethernet and packet) | DBPS, DLAG, ERPS, LAG, LPT, MC-LAG, MSTP, PW APS, STP and RSTP, Tunnel APS, VLAN SNCP | DBPS, DLAG, ERPS, LAG, LPT, MC-LAG, MSTP, PW APS, STP and RSTP, Tunnel APS, VLAN SNCP | DBPS, DLAG, ERPS, LAG, LPT, MC-LAG, MSTP, STP and RSTP, VLAN SNCP |   						| Equipment level protection | Power redundancy, fan redundancy, cross-connect board redundancy, system control and communication board redundancy, centralized clock board redundancy, AUX Board 1+1 Redundancy |   						| Optical power management | ALS, AGC, ALC, APE, IPA, OPA |   						| Synchronization | Synchronous Ethernet clockIEEE 1588v2
 2 Mbit/s or 2 MHz (with the SSM function), ITU-T G.703-compliant external clock source
 External time source (1PPS+TOD)
 |   						| ASON | An OTN network supports the Optical-Layer ASON and electrical-Layer ASON. An OCS network supports the SDH ASON feature. |   						| Operation Environment | Subrack temperature:Long-term operation: 5°C (41 °F) to 45°C (113 °F)
 Short-term operation: -5°C (23 °F) to 55°C (131 °F)
 
 Relative humidity:
 Long-term operation: 5% to 85%
 Short-term operation: 5% to 90%
 |  |