| Glossary: H |
| HACMP |
High-Availability Cluster Multiprocessing
|
| Half-duplex |
"A transmission mode which permits transmission in both directions |
| HCDS |
See High-Capacity Digital Services.
|
| HCL |
Hekimian Command Language
|
| HCLI |
Hekimian Command Language Interface
|
| HCL Utility (HCLU) |
A CORBA interface to the REACT 2001™ HCLI server that runs testing dialogs and collects test results.
|
| HDLC |
High-Level Data Link Control
|
| HDSL |
High-bit-rate Digital Subscriber Line
|
| HDSL2 |
"Single-line |
| HECI |
See Human-interface Equipment Catalog Item.
|
| HECIG |
See Human-interface Equipment Catalog Item Group.
|
| HiCap |
See High-Capacity Digital Services.
|
| Hierarchical Storage Controller (HSC) |
An off-board disk and tape controller for clustered VAX computers.
|
| High-capacity digital services (HCDS or HiCap) |
Service that uses DS1 digital facilities to provide communications channels to customers at 1.544 Mbps.
|
| High-Density Bipolar Three (HDB3) |
A line coding format that ensures a minimum ones density by substituting a string of four zeros with a unique pattern of BPVs and a one.
|
| Hit |
Any disruption of service that lasts for less than one second. A longer disruption is called an outage.
|
| HLU |
High-gain Line Unit
|
| HNIS |
Hekimian Network Interface System
|
| Human-interface Equipment Catalog Item (HECI) |
A label for an operations system data field that is generally filled with a 10-character CLEI code.
|
| Human-interface Equipment Catalog Item Group (HECIG) |
A label for an operations system data field that is generally filled with an equipment catalog item group (ECIG) code.
|
| HWE |
Hekimian Workflow Engine
|
| HWI |
Hekimian Web Interface
|
