| ATM |
| Number of Connections |
256 uni-directional VC/VPs, 128 bi-directional VC/VPs, (Optionally more) |
| Type of Connections |
PVC, PVP, SVC, SVP, S-PVC, S-PVP |
| Protocols |
Signalling UNI 3.0, 3.1, 4.0, ILMI UNI translation |
| Ports |
3 ports with field-replaceable Line Interface Modules (LIMs) and Customer Service Module (CSMs) |
| Line Interface Modules (LIMs) |
| Redundancy |
Hot-Swappable Line Interface Modules, Automatic Protection Switching (APS) per standard K1, K2 using two network ports with OC-3c/STM-1 APS LIMs
|
| OC-3c/STM-1fibre |
Multi-Mode, Single-Mode short haul S1.1, Single-Mode long haul L1.1, L1.2 with Automatic Laser Shutdown (ALS), SC connector (ST, FC-PC option) |
| OC-3c/STM-1 |
Electrical CMI with SMZ and 1.6/5.6 connectors, NRZ with UTP RJ-45 connectors |
| E3 |
BNC, SMZ, 1.6/5.6 connectors |
| T3 |
BNC connector |
| E1/T1 |
UTP RJ-45 and BNC connectors, UTP RJ-45 and SMZ connectors, UTP RJ-45 and 1.6/5.6 connectors, Integral CSU/DSU |
| Circuit Emulation Services |
| Module |
CES hot-swappable Customer Service Module |
| Ports |
4 E1/T1 ports per CES module up to 8 ports when 2 CES modules are used, RJ-45 connectors |
| Services |
CBR Unstructured, Structured, Structured with CAS handling |
| Protocol |
CES V2.0 over AAL1 |
| Timing |
Network Clock, SRTS, Adaptive synchronisation |
|
Traffic Shaping
|
| 1 Shaper Configurations |
Shaper installed in the User ATM LIM or in the Network ATM LIM |
| 2 Shapers Configurations |
Shapers installed in User and Network LIMs |
| Number of Classes |
32 classes per shaper, 62 classes total in 2 shapers configuration |
| Service Types |
CBR, VBR, rt-VBR, UBR |
| Direction |
Ingress or Egress in 1 shaper configuration Egress and/or Ingress or in 2 shaper configuration |
| Traffic Shaping |
Parameters per class Peak Cell Rate (PCR), Sustainable Cell Rate (SCR), Cell Delay Variation (CDV), Maximum Burst Size (MBS) |
| Bandwidth Management |
| Per Class Queuing |
Each QoS class is assigned with a dedicated buffer |
| Buffer Size |
Total buffer size is 74K cells per shaper |
| Prioritising Classes |
Priorities are defined to all queues to protect high priority classed during congestion conditions |
| Prioritising mechanism |
Fixed, round-robin, mixed |
| Line Over Subscription |
Aggregated VCs traffic may exceed the physical line rate so that during congestion conditions only high priority classes will be transmitted |
| VP Over Subscription |
Aggregated VCs traffic may exceed an uplink VP capacity so that during congestion conditions only high priority classes will be transmitted |
| Policing |
| Direction |
Bi-directional |
| Options |
Count, Tag to low priority (CLP 0 change to CLP 1), Discard |
| Service Types |
CBR, VBR, rt-VBR, UBR |
| Traffic Parameters per VP/VC |
Peak Cell Rate, Sustainable Cell Rate, Cell Delay Variation Tolerance, Maximum Burst Size |
| Cell Layer Statistics (Usage/Network Parameter Control) |
| Direction |
Ingress and Egress |
| VC/VP Usage |
GCRA1 and GCRA2 counters for cells non compliant with policing parameters, according to first and second leaky bucket |
| VC/VP QoS Conformance |
Ingress Cells, Egress Cells, HCS errors (Correctable/Uncorrectable) |
| Per LIM |
5 Volt 2A, ± 12 Volt 100 mA |
| ATM Adaptation Layer Statistics (AAL) |
| Direction |
Ingress and Egress |
| AAL5 per VC |
Valid Packets, Oversized SDUs, Errored SDUs, Timed-Out SDUs |
| AAL1 per VC |
Lost cells, Misinserted cells, Dropped cells, Errored SN cells, Number of transitions to the Out of SN, Errored AAL1 Pointers, AAL1 Pointer Reframes, Underruns AAL1, Overruns AAL1 |
| Performance Monitoring |
| Per VC/VP |
Cell Loss Ratio, Severely-Errored Cell Blocks Ratio, Cell Misinsertion Ratio, Parity Errors, Severely Errored Seconds, Unavailable Seconds Cell Transfer Delay, Two Point CDV |
| Per port |
Code Violations, FEBE, Errored Seconds, Severely Errored, Framing seconds, Severely Errored Seconds, Unavailable Seconds |
| Operations Administration and Maintenance Cells |
| OAM flows |
ITU-T I.610 F4- F5, End-To-End or Segment |
| Direction |
Bi-directional OA&M flow |
| Alarm Cells |
VP/VC Alarm Indication Signal (AIS), VP/VC Remote Defect, Indication (RDI), Location ID option for fault localisation |
| Continuity Check |
Generation and monitoring of CC cells, Loss of Continuity Alarm is set when CC and user cells are not received, CC Activation via management |
| Loopback |
F4 and F5 VC/VP level loops supported, Source and Location ID fields, Counters provided per VC and per direction for generated, Loopback cells, received looped cells and looped cells |
| PM |
F4 and F5 Forward Monitoring (see Performance Monitoring) PM, Activation through management or predefined VC range |
| Activation/Deactivation cells |
Used to activate CC and PM |
| LAN Extension |
| Ports |
Dual Fast Ethernet ports 10/100Base-TX |
| Auto negotiation |
Full/Half duplex mode and 10/100 Mbps rate |
| Service |
RFC 1483 over PVCs, RFC 1483 over S-PVCs |
| Shaping |
Ethernet Traffic can be shaped using standard shaping option (requires shaper at ATM network LIM) |
| GoodPut |
Early Packet Discard |
| Bandwidth Management |
Uplink VCs can be assigned with specific bandwidth class out of 8 classes from 128 Kbps up to 155 Mbps, (does not require any shaper installation) |
| Bridging |
802.1d learning bridge 4000 MAC addresses |
| Data Collection |
| Counters |
Per LIM, per VP/VC (UPC/NPC and PM) |
| History Records |
96 records of 15 minutes intervals are stored on Non-Volatile Memory |
| Timing |
| Source |
Any LIM, External, Internal, Holdover |
| Connection |
External timing input (E1 BNC) External timing output (E1 BNC) |
| SSM |
SSM handling |
| Alarms handling and Fault Segregation |
| External |
Four external alarms inputs, One External alarm dry contact output |
| Congestion Monitoring |
GFC bit monitoring to detect congestion indications Thresholds PM per LIM |
| AIS, RDI |
F4 and F5 AIS and RDI handling Indication (RDI), Location ID option for fault localisation |
| Log File |
2000 events stored in non-volatile memory |
| Management |
| Access |
Remotely through ATM management VCs, Ethernet, SLIP Locally through serial terminal on the back panel |
| Protocols |
SNMP V1, SNMP V2c, RFC 1577 PVC for management IP network SLIP, PPP |
| SNMP |
MIBs MIB II (RFC 1213 and 1573), AToM MIB (RFC 1695), SONET/SDH MIB (RFC 1595), DS3/E1 MIB (RFC 1407), DS1/E1 MIB (RFC 1406), ILMI MIB, ATM-SOFT-PVC MIB and additional private HyNEX MIBs |
| User Interface |
ASCII shell via remote Telnet/ local serial port SNMP manager HyNEX Network Element Manager |
| LED Indicators |
| ATM |
Transmit, Receive, Alarm for each port |
| Ethernet |
Transmit, Receive, Collision and Status for each port |
| System |
Power On, Run, Error Power On, PS1, PS2 and System (for fail-safe HUNT 7100 R) |
