Main Features Description

Supported

ISDN BA Ports

ISDN PRA Ports

PSTN Ports

Y

Bearer channel connection

Y

Semi-permanent leased lines

Pre-assigned bearer channel

Communication path definition

Y

C-path(s) for p-type data

C-path(s) for f-type data

C-path(s) for Ds-type data

C-path for PSTN signaling

Y

C-path for control

Y

C-path for bearer channel connection

Y

C-path for protection

Y

C-path for link control

Y

Logical Communication channel provisioning

Y

Default active communication channel allocation by provisioning

Y

Default active communication channel

Y

Default standby Communication channel

Y

Number of physical communication channels up to 3 times
the number of 2048 kbit/s links

Number of backup communication channel up to 3

Protection Switching of communication channels

Y

Envelope function

Y

ISDN ports only partially provisioned for on demand service (PL service)

ISDN PRA ports only partially provisioned for on-demand service
(PL service)

Multi-slot connection

Multi-link V5.2 Interface

Y

Layer 1

Layer 1 Balanced

Y

Layer 1 coaxial

Y

Layer 1 link maintenance requirements

Y

Detection of loss of signals;1 ms below 20 dB

Y

Detection of loss of signals; 10 consecutive zeros

Link control requirements and procedures

Y

Layer 2

Frame structure for peer to peer communication

Y

Format of fields for data link envelop

Y

Envelope address value for control protocol

Y

Envelope address value for PSTN protocol

Y

Envelope address values for ISDN ports

Envelope address value BCC protocol

Y

Envelope address value for Protection protocol

Y

Envelope address values for link control protocol

Y

Data link sub layer of LAPV5 for control protocol

Y

Data link sub layer of LAPV5 for PSTN protocol

Y

Data link sub layer of LAPV5 for bearer connection control protocol

Y

Frame relay function in the AN

Data link sub layer of LAPV5 for protection protocol

Y

Data link sub layer of LAPV5 for link control protocol

Y

Layer 3

PSTN Protocol

Control of time critical sequences by AN

Y

PSTN protocol entity

Y

PSTN call control entity

Y

Control Protocol

Control protocol entity

Y

Port Control Protocol

ISDN BA user port status indication and control

ISDN PRA user port status indication and control

Performance monitoring for ISDN BA user ports

Performance monitoring for ISDN BA user ports

Performance monitoring for ISDN PRA user port

PSTN user port status indication and control

Y

Common Control Protocol

Variant and interface ID control

Y

Verify re-provisioning

Re-provisioning synchronization

BCC Protocol

Bearer Channel Connection

Y

Bearer Channel Connection Auditing

Y

Protection Protocol

Protection switching of group 1

Y

Protection switching of group 2

Link Control Protocol

Link control protocol

Y

PSTN Protocol

Messages

ESTABLISH

Y

ESTABLISH Acknowledge

Y

SIGNAL

Y

SIGNAL Acknowledge

Y

STATUS

Y

STATUS ENQUIRY

Y

DISCONNECT

Y

DISCONNECT COMPLETE

Y

PROTOCOL PARAMETER

PSTN General

Protocol discriminator

Y

Layer 3 address

Y

Pulse notification

Y

Line information

Y

State

Y

Autonomous signaling sequence

Y

Sequence response

Y

Sequence-number

Y

Cadenced ringing

Y

Pulsed signal

Y

Steady signal

Y

Digit signal

Y

Recognition time

Y

Enable autonomous Acknowledge

Y

Disable autonomous Acknowledge

Y

Cause

Y

Resource unavailable

Y

Information Elements: Pulse Types

Pulsed normal polarity

Y

Pulsed reversed polarity

Y

Pulsed battery on c-wire

Pulsed on hook

Y

Pulsed reduced battery

Pulsed no battery

Initial ring

Meter pulse

50 Hz pulse

Register recall

Y

Pulsed off hook

Y

Pulsed B-wire connected to earth

Earth loop pulse

Pulsed B-wire connected to battery

Pulsed A-wire connected to earth

Pulsed A-wire connected to battery

Pulsed C-wire connected to earth

Pulsed C-wire disconnected

Pulsed normal battery

Pulsed A-wire disconnected

Pulsed normal battery

Pulsed A-wire disconnected

Pulsed B-wire disconnected

Information Elements: Steady Signals

Normal polarity

Y

Reversed polarity

Y

Battery on C-wire

No battery on C-wire

Off hook

Y

On hook

Y

Battery on A-wire

A-wire on earth

No battery on A-wire

No battery on B-wire

Reduced battery

No battery

Alternate reduced poser/no power

Normal battery

Stop ringing

Y

Start pilot frequency

Stop pilot frequency

Low impedance on B-wire

B-wire connected to earth

B-wire disconnected from earth

Normal battery on B-wire

Low loop impedance

High loop impedance

Anomalous loop impedance

A-wire disconnected from earth

C-wire on earth

C-wire disconnected from earth

Information Elements: Cause Types

Response to status enquiry

Y

Protocol discriminator error

Y

L3 address error

Y

Message type unrecognized

Y

Out of sequence information element

Y

Repeated optional information element

Y

Mandatory information element missing

Y

Unrecognized information element

Y

Mandatory information element content error

Y

Optional information element content error

Y

Message not compatible with state

Y

Repeated mandatory information element

Y

Too many information elements

Y

Information Elements: Information Element Fields

Suppression indicator

Y

Acknowledge request indicator

Y

Digit Acknowledge request indicator

Y

Control Protocol

Messages

Common control and port control messages

Y

Information Elements; General

Protocol discriminator

Y

Layer 3 addresses

Y

Information Elements; Port Control

FE101 activate access

FE102 activation initiated by user

FE103 DS activated

FE104 access activated

FE105 deactivate access

FE105 access deactivated

FE201/202 unblock

Y

FE203/204 block

Y

FE205 block request

Y

FE205 performance grading

FE207 D channel block

FE208 D channel unblock

FE209 TE out of service

FE210 Failure inside network

Information elements; Common Control

Verify re-provisioning

Ready for re-provisioning

Not ready for re-provisioning

Switch-over to new variant

Re-provisioning started

Cannot re-provision

Request variant and interface ID

Y

Variant and interface ID

Y

Blocking started

Restart

Y

Restart Acknowledge

Y

BCC Protocol

Messages

BCC protocol messages

Y

Information Elements

BCC reference number

Y

Message type

Y

User port identification

Y

ISDN port time slot identification

V5 Timeslot identification

Y

Multi slot map

Reject cause

Y

Protocol error cause

Y

Connection incomplete

Y

Protection Protocol

Messages

Protection switching protocol messages

Y

Information Elements

Protection switching protocol information elements

Y

Link Control Protocol

Messages

Link control protocol messages

Y

Information Elements

Link control protocol information elements.

Y