Maintenance Telephone
Access through a maintenance telephone
A telephone can perform basic maintenance when you assign it class-of-service MTA (maintenance telephone allowed) in LD 11.
- A maintenance telephone allows you to send commands to the system, but you can only use a subset of the commands that can be entered from a system terminal.
- You can test tones and outpulsing through the maintenance telephone. Specific commands for those tests are given in the Tone and Digit Switch and Digitone Receiver Diagnostic (LD 34).
To enter commands, press the keys that correspond to the letters and numbers of the command.
For example, to enter 'LD 42 <return>', key in '53#42##'
The following overlays (LDs) ARE accessible from a maintenance telephone:
| • | 30, | 32, | 33, | 34, | 36, | 37, | 38 | 42, | 43, | 45, | 46, | 60, | 61, | 62 |
The following overlays (LDs) ARE NOT accessible from a maintenance telephone:
| • | 31, | 40, | 48, | 77, | 80, | 92, | 96, | 135, | 137 |
Keyboard / Dial pad translation, and procedure:
- Press the telephones prime DN key.
- Place the set in maintenance mode by entering: SPRE+91
The SPRE number is typically "1", so you would enter: 191 - Check for busy tone by entering <return>: ##
- If there is no busy tone, go to Step 4.
- If there is a busy tone, a program is active.
- To end an active program and access the system enter: ****
- Load a program by entering : 53#xx##
Where : xx represents the number of the overlay program (LD) - Perform tasks: spell out commands on the keypad, # for space, ## for enter
- To exit the program and return the telephone to normal mode, enter: ****
| 1 | 2 ABC |
3 DEF |
| 4 GHI |
5 JKL |
6 MNO |
| 7 PRS |
8 TUV |
9 WXY |
| * |
0 |
# Space |
Space: # Return: ##
Exit: ****
Examples...
Using a Maintenance Telephone (CLS needs MTA)...
Spell out commands on the keypad, # for space, ## for enter.
1. Test Trunks:
Direct trunk access by TN. TTY's must be logged off.
| 191## | Log in (no password) |
| 53#36## | Load overlay program 36 |
| 875#l#s#c#u## | (TRK) Test a specific analog trunk (loop, shelf, card, unit) |
| 875#l#c## | (TRK) Test a specific digital trunk (loop, channel) |
| Dial a number | Press * to hang up, Press # to redial |
| **** | Log out |
2. Test Tones:
Refer to LD 34 for different Tone commands.
| 191## | Log in (no password) |
| 53#34## | Load overlay program 34 |
| 279#0## | Tests busy tone from the TDS card on loop 0 (test any TDS loop) |
| 2## | Drops the tone being tested and allows you to test another tone |
| 683#16## | Tests overflow tone from the TDS card on loop 16 |
| **** | Log out |
3. Reset a TTY terminal:
May revive a locked-up TTY, otherwise, press INI.
| 191## | Log in (no password) |
| 53#37## | Load overlay program 37 |
| 365#889#1## | (ENL TTY) resets and enables TTY 1 |
| **** | Log out |
4. Database Save:
| 191## | Log in (no password) |
| 53#43## | Load overlay program 43 |
| 333## | (EDD) - a data save is performed |
| **** | Log out |
Accessing Meridian Mail
Option 11C allows access to Meridian Mail Administration & Maintenance through a shared terminal on the Option 11C. To access the Meridian Mail system, log in and enter: AX. To exit from Meridian Mail, press the Control key and the closed square bracket ( ] ) simultaneously. This might be useful if the TTY has locked up.