Users Manual

ALL

EFFECTIVITY

Page 5-19

22 Apr 2019

23-15-49

SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL

ASPIRE-400

(a) Permits primary context initiation and termination using PPPoE with the following

features supported:

1 PADI (PPPoE active discovery initiation)

2 PADO (PPPoE active discovery offer)

3 PADR (PPPoE active discovery request)

4 PADT (PPPoE active discovery termination)

5 Error codes in PPPoE error tag.

(b) Transfers username and password when the service user name and password

are provided at the user interface via the following:

1 The service name in the PPP initiation

2 PAP in PPP negotiation.

Mobility Management;

(d) Supports the PADT error codes associated with 3GPP 24.008 Appendix I: GPRS

Session Management.

G. AT Handler

(1) Only a subset of AT commands is required at the User interface to provide for the

provisioning of Virtual Contexts and for querying the system. For security purposes, it is

important not to allow a user control line access to commands that apply system wide or

that could change the operation of contexts that are owned by other users. Provisioning

of system wide selectable parameters is through the ORT.

(2) If ORT configured to Dynamic, the PIESD:

(a) Enables AT handler support via TCP port 22222.

ELSE

(b) Disables AT handler support via TCP port 22222.

H. User AT Handler Supported Commands

(1) The PIESD responds to the following General AT commands:

(a) +CGMI (Request Manufacturer Identification) read mode returns the general

Aviation Equipment ID Company.

(b) +CGMM (Request Model Identification) read mode returns the SDU Name.

Number.

(d) +CGSN (Request Product Serial Number Identification) read mode returns the

SDU Serial Number.

(e) +CIMI (Request International Mobile Subscriber Identity) read mode returns the

non-safety channel IMSI.

(2) The PIESD supports the following Mobile Termination Control and Status AT commands:

(a) +CLAC which lists all available AT commands available to the user in the current

state.

DRAFT

3rd rvw Draft as of:

29 January, 2020