| 
			 Backplane capacity 
			 | 
			
			 The total bandwidth is 400 Gbit/s. 
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			| 
			 Client-side service type 
			 | 
			
			 SDH service: 
			
				- STM-1: SDH service at a rate of 155.52 Mbit/s
 
				- STM-4: SDH service at a rate of 622.08 Mbit/s
 
				- STM-16: SDH service at a rate of 2488.32 Mbit/s
 
				- STM-64: SDH service at a rate of 9.95 Gbit/s
 
			 
			SONET service: 
			
				- OC-3: SONET service at a rate of 155.52 Mbit/s
 
				- OC-12: SONET service at a rate of 622.08 Mbit/s
 
				- OC-48: SONET service at a rate of 2488.32 Mbit/s
 
				- OC-192: SONET service at a rate of 9.95 Gbit/s
 
			 
			OTN service: 
			
				- OTU1: OTN service at a rate of 2.67 Gbit/s
 
				- OTU2: OTN service at a rate of 10.71 Gbit/s
 
				- OTU2e: OTN service at a rate of 11.1 Gbit/s
 
			 
			Ethernet service: 
			
				- FE optical signals: Ethernet service at a rate of 125 Mbit/s
 
				- GE optical signals: Ethernet service at a rate of 1.25 Gbit/s
 
				- GE electrical signals: Ethernet service at a rate of 1.25 Gbit/s
 
				- 10GE LAN: Ethernet service at a rate of 10.31 Gbit/s
 
				- 10GE WAN: Ethernet service at a rate of 9.95 Gbit/s
 
				- 25GE: Ethernet service at a rate of 25.78 Gbit/s
 
			 
			SAN service: 
			
				- FC100: SAN service at a rate of 1.06 Gbit/s
 
				- FC200: SAN service at a rate of 2.12 Gbit/s
 
				- FC400: SAN service at a rate of 4.25 Gbit/s
 
				- FICON: SAN service at a rate of 1.06 Gbit/s
 
				- FICON 4G: SAN service at a rate of 4.25 Gbit/s
 
				- FICON Express: SAN service at a rate of 2.12 Gbit/s
 
				- FC800: SAN service at a rate of 8.5 Gbit/s
 
				- FICON 8G: SAN service at a rate of 8.5 Gbit/s
 
				- FICON 10G: SAN service at a rate of 10.51 Gbit/s
 
				- ESCON: SAN service at a rate of 200 Mbit/s
 
				- FC1200: SAN service at a rate of 10.51 Gbit/s
 
				- FC1600: SAN service at a rate of 14.025 Gbit/s
 
				- FC3200: SAN service at a rate of 28.05 Gbit/s
 
				- ESCON: SAN service at a rate of 200 Mbit/s
 
				- FDDI: SAN service at a rate of 125 Mbit/s
 
			 
			Video and audio service: 
			
				- SDI: Serial digital interface at a rate of 270 Mbit/s
 
				- HD-SDI: Bit-serial digital interface for high-definition television systems at a rate of 1.49 Gbit/s
 
				- HD-SDIRBR: Bit-serial digital interface for high-definition television systems at a rate of 1.49/1.001 Gbit/s
 
				- 3G-SDI: Video service at a rate of 2.97 Gbit/s
 
				- 3G-SDIRBR: Video service at a rate of 2.97/1.001 Gbit/s
 
				- DVB-ASI: Video service at a rate of 270 Mbit/s
 
			 
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			| 
			 Service mapping mode 
			 | 
			
			
				- Supports encapsulation of GE services in Generic Framing Procedure - Transparent (GFP-T) or timing transparent transcoding - Generic Mapping Procedure (TTT-GMP) mode.
 
				- Supports encapsulation of 10GE LAN services in Generic Framing Procedure - 10GE LAN(MAC transparent mapping(10.7G)) or 10GE LAN(Bit Transparent Mapping(11.1G)) mode.
 
				- Supports encapsulation of 25GE services in Generic Framing Procedure - Transparent (GFP-T) or Bit Transparent Mapping (BMP) mode.
 
			 
			 | 
		
		
			| 
			 FEC coding 
			 | 
			
			 Supports ITU-T G.709-compliant forward error correction (FEC) encoding on the client side only when receiving OTU1/OTU2/OTU2e signals. 
			 | 
		
		
			| 
			 OTN overhead protocol 
			 | 
			
			 Uses the frame format and overhead processing compliant with ITU-T G.709. 
			 | 
		
		
			| 
			 OTN overhead 
			 | 
			
			
				- ODU0/ODU1/ODU2 layer: supports PM and TCM overhead processing, and non-intrusive monitoring of PM and TCM overheads.
 
				- OTU1/OTU2 layer: supports SM overhead processing.
 
				- ODUflex layer: supports PM overhead processing.
 
			 
			 | 
		
		
			| 
			 Maximum frame length for a port 
			 | 
			
			 1518 to 9600 Bytes, supports a jumbo frame with a maximum length of 9600 bytes. 
			 | 
		
		
			| 
			 LPT 
			 | 
			
			 Supported on the client side when FE/GE/10GE LAN services are received. 
			NOTE: 
			The port equipped with an electrical module does not support LPT. 
			 | 
		
		
			| 
			 Client 1+1 protection 
			 | 
			
			 Supported 
			NOTE: 
			When OTU1 services are received on the client side, client 1+1 protection is only supported in ODU1 non-convergence mode. 
			 | 
		
		
			| 
			 ODUk SNCP 
			 | 
			
			 Supported 
			 | 
		
		
			| 
			 Tributary SNCP 
			 | 
			
			 Supported 
			NOTE: 
			
				- The board supports tributary SNCP protection only when the client-side service type is OTN, SDH, SONET or 10G WAN.
 
				- When OTU1 services are received on the client side and the mapping path is OTU1->ODU1->ODU0, tributary SNCP protection at the ODU0 level is supported.
 
			 
			 | 
		
		
			| 
			 Electrical-layer ASON 
			 | 
			
			 Supported 
			 | 
		
		
			| 
			 L1 service encryption 
			 | 
			
			 Supported 
			NOTE: 
			When working in ODU1 convergence mode and ODU1_ODU0 mode, the board does not support encryption. 
			 | 
		
		
			| 
			 ALS 
			 | 
			
			 Supported on the client side when non-OTN services are received. 
			NOTE: 
			The port equipped with an electrical module does not support ALS. 
			 | 
		
		
			| 
			 LLDP 
			 | 
			
			 Supported on the client side when ethernet services are received. 
			NOTE: 
			
				- The LLDP function is not supported when the client-side service is 10GE WAN/GE/FE.
 
				- When the service mapping mode is MAC transparent mapping, the LLDP mode of the port is the Receive mode by default. In this case, LLDP packets are not transparently transmitted.
 
			 
			 | 
		
		
			| 
			 Physical clock 
			 | 
			
			
				- GE(TTT-GMP), 10GE LAN(Bit Transparent Mapping(11.1G)), 25GE(BMP): Supports synchronous Ethernet transparent transmission
 
				- GE(GFP-T), 10GE LAN(MAC transparent mapping(10.7G)), 25GE(GFP-F): Supports synchronous Ethernet processing
 
			 
			 | 
		
		
			| 
			 IEEE 1588v2 
			 | 
			
			 When GE (GFP-T), 25GE (GFP-F), or 10GE LAN(MAC transparent mapping(10.7G)) services, the TC, TC+OC, BC, and OC modes are supported. 
			NOTE: 
			
				- The port equipped with an electrical module does not support IEEE 1588v2.
 
				- Only ports 1 to 15 support IEEE 1588v2.
 
			 
			 | 
		
		
			| 
			 ITU-T G.8275.1 
			 | 
			
			 Supported when GE (GFP-T), 25GE (GFP-F), or 10GE LAN(MAC transparent mapping(10.7G)) services are received on the client side. 
			NOTE: 
			
				- The port equipped with an electrical module does not support ITU-T G.8275.1.
 
				- Only ports 1 to 15 support ITU-T G.8275.1.
 
			 
			 | 
		
		
			| 
			 ITU-T G.8273.2 
			 | 
			
			 Supported 
			NOTE: 
			
				- The board does not support ITU-T G.8273.2 when the system control board is U2CTU.
 
				- Only 1 to 15 ports support ITU-T G.8273.2.
 
			 
			 | 
		
		
			| 
			 High-precision clock synchronization 
			 | 
			
			 Supported 
			NOTE: 
			
				- Supported when GE (GFP-T), 25GE (GFP-F), or 10GE LAN(MAC transparent mapping(10.7G)) services are received on the client side.
 
				- The high-precision clock synchronization function can be implemented only after the corresponding license is obtained.
 
				- The board must work with the subrack and system control board that support high-precision clock to support the high-precision clock synchronization function. For details, see Clock Synchronization Feature Guide.
 
				- The port equipped with an electrical module does not support High-precision clock synchronization.
 
				- Only 1 to 15 ports support High-precision clock synchronization.
 
			 
			 | 
		
		
			| 
			 Outband DCN 
			 | 
			
			 Supported communication over ESCs on the client side when OTU1/OTU2/OTU2e services are received. 
			 | 
		
		
			| 
			 Test frame 
			 | 
			
			 Supports test frames when receiving GE (GFP-T)/10GE LAN(MAC transparent mapping(10.7G))/25GE (GFP-F) services on the client side. 
			NOTE: 
			Supports this function only in ODU1 convergence mode when receiving FE services on the client side. 
			 | 
		
		
			| 
			 PRBS 
			 | 
			
			 The PRBS function in the optical port direction is supported only when the client-side service type is STM-1, OC–3, STM-4, OC-12, STM-16, OC-48, OTU1, OTU2, or OTU2e. 
			NOTE: 
			When working in ODU1_ODU0 mode, the board does not support the PRBS test function in the backplane direction. 
			 | 
		
		
			| 
			 Latency measurement 
			 | 
			
			
				- When non-OTN services are received on the client side of the board, the PM section latency measurement is supported in the backplane direction (upstream direction).
 
				- When OTN services are received on the client side of the board, the TCM section latency measurement is supported in the optical port direction (downstream direction).
 
			 
			 | 
		
		
			| 
			 Channel loopback 
			 | 
			
			 Supports inloops and outloops on channels. 
			NOTE: 
			The board supports ODU0 channel loopback only in ODU1_ODU0 mode. 
			 | 
		
		
			| 
			 Port loopback 
			 | 
			
			
				- Supports inloops and outloops on the client side.
 
				- Supports ODUk inloops and ODUk outloops on the client side.
 
			 
			NOTE: 
			
				- When the board works in ODU1 convergence mode, you must configure intra-board cross-connections before loopbacks. Otherwise, the loopbacks become abnormal.
 
				- The board supports ODUk inloop and ODUk outloop only when non-OTN services are received, the port working mode is non-convergence, and bidirectional cross-connections are configured.
 
				- When the service type is set to None, Inloop, Outloop, and ODUk Outloop are not supported.
 
				- When non-OTN services are received, the PRBS in the backplane direction can be used only with ODUk loopback.
 
			 
			 | 
		
		
			| 
			 Alarm and performance event monitoring 
			 | 
			
			
				- Supports the monitoring of BIP8 bytes (Bursty mode) to help locate line faults.
 
				- Supports the monitoring of B1 bytes to help locate line faults.
 
				- Supports the monitoring of OTN alarms and performance events.
 
				- Supports the monitoring of the laser bias current.
 
				- Supports the laser temperature monitoring.
 
				- Supports the optical power monitoring.
 
				- Supports the remote monitoring (RMON) of Ethernet services.
 
			 
			 |