| Basic functions | Transparently transmits 8xFE services. |
| Port types | - Supports 10BASE-T/100BASE-TX signals.
- Electrical ports comply with IEEE 802.3u.
|
| Functions when being used with an interface board | Provides ports on the front panel to receive/transmit 8xFE signals. |
| Port characteristics | Working modes | 100M full-duplex, 10M full-duplex, and auto-negotiation |
| Traffic control mode at ports | Auto-negotiation mode | Not supported |
| Non-autonegotiation mode | Supported |
| Query/Setting of port status | Supported |
| Query of port types | Supported |
| Setting of optical power thresholds | Not supported |
| Pluggable optical module | Not supported |
| Service categories | EPL service | Supports PORT-based transparent transmission. |
| Service specifications | Formats of Ethernet data frames | IEEE 802.3 | Supported |
| Ethernet II | Supported |
| IEEE 802.1q TAG | Supported |
| Frame length range | - EFT8A boards support the setting of the method used for processing
frames with less than 64 bytes or error frames.
- N1EFT8A boards support the setting of the packet length, which
ranges from 1518 bytes to 1535 bytes. The first four ports support
a jumbo frame with a maximum length of 6144 bytes, whereas the last
four ports support a jumbo frame with a maximum length of 9600
bytes.
- N2EFT8A boards support the setting of the packet length, which
ranges from 1518 bytes to 9600 bytes.
- N2EFT8A boards support a jumbo frame with a maximum length of 9600
bytes.
|
| Concatenation granularities | Supports VC-12, VC-3, VC-12-Xv (X ≤ 63), and VC-3-Xv (X ≤ 3)
granularities. |
| Encapsulation formats | HDLC | Supported |
| LAPS | Supported |
| GFP-F | Supported |
| MPLS technology | Not supported |
| VLAN technology | Supports VLAN transparent transmission. |
| Maximum uplink bandwidth | 622 Mbit/s |
| Maximum bound bandwidth | 12xVC-3, or 63xVC-12 + 9xVC-3 |
| VCTRUNK specifications | Number of supported VCTRUNKs: 8 Configuration principles are as follows: - Each VC channel can be bound only to one VCTRUNK.
- A VCTRUNK can be bound with the VC-12 path or VC-3 path at one
time. A VCTRUNK should not be bound with VC-12 and VC-3 paths at
the same time.
- A VCTRUNK can be bound with a maximum of three VC-3s or a maximum
of 63 VC-12s.
- A VCTRUNK cannot be bound with VC-12s numbered 1-63 and VC-3s
numbered 10-12 at the same time.
- VC-4 numbered 4 supports the binding of VC-3 and VC-12 paths. The
other VC-4s support the binding of VC-3 paths only.
- VCTRUNK 1-VCTRUNK 8 can be bound with VC-3s numbered 1-12 or VC-12s
numbered 1-63.
|
| Protection schemes | TPS | Not supported |
| LCAS | Supports LCAS, which dynamically increases or decreases the
bandwidth and protects the bandwidth in compliance with ITU-T
G.7042. |
| LPT | Supports P2P LPT in compliance with ITU-T G.7042. |
| LAG | Not supported |
| Clock synchronization | Synchronous Ethernet | Not supported |
| IEEE 1588v2 | Not supported |
| Maintenance features | ETH OAM | Not supported by N1EFT8A boards N2EFT8A boards support CC, LB, and LT. These functions comply with
IEEE 802.1ag. N2EFT8A boards support OAM auto-discovery, link performance
monitoring, fault detection, remote loopback tests, and self-loop
tests. These functions comply with IEEE 802.3ah. |
| Test Frame | Supports test frames in GFP bearer mode. |
| Response to ping | Not supported |
| Port Mirroring | Not supported |
| Loopback capability | PHY layer at Ethernet ports | Supports inloops. |
| MAC layer at Ethernet ports | Supports inloops. |
| VC-4 level | Not supported |
| VC-3 level | Supports inloops and outloops. |
| VC-12 level | Not supported |
| RMON | Supports Ethernet performance monitoring at the port level. |
| Warm resets | Supported (Warm resets do not affect services.) |
| Cold resets | Supported |
| Alarms and performance events | Reports various alarms and performance events, which facilitates
the management and maintenance of the equipment. |
| QoS | Not supported |
| Hub/Spoke | Not supported |
| Traffic control | Supports the FE port-based traffic control function that complies
with IEEE 802.3x.NOTE:Only EPL services support port-based traffic control. |
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