DEFINITY Enterprise Communications Server Release 6

Issue 3

Installation and Test for Compact Modular Cabinets 555-230-128

May 1998

1 Install and Cable the Cabinets

 

Connect Modem to Telephone Network

Page 1-98

 

 

External Modem Option Settings

The U.S. Robotics Model 839 external modem is the recommended external modem for Release 6 CMC. A locally obtained, type-approved external modem may be used. Contact your Lucent Technologies representative for information.

1.If a non-U.S Robotics Model 839 modem is installed, refer to the setup instructions provided with that modem. Refer to Table 1-20 while setting up the modem. Go to Step 4 to complete the modem administration.

2.If no modem is installed, skipt to step 5. If a U.S Robotics Model 839 modem is installed, perform the following.

3.Use Table 1-19 to set the 8 option switches on the U.S. Robotics modem.

Table 1-19. U.S. Robotics Model 839 External Modem Switch Settings

Switch

Setting

Function

 

 

 

 

1

OFF (Up)

DTR (Data Terminal Ready) override

 

 

 

 

2

OFF (Up)

Verbal result codes (text-formatted feedback characters such as connected

 

 

or no carrier)

 

 

 

 

3

ON (Down)

Enable result codes

 

 

 

 

4

OFF (Up)

Displays keyboard commands (local echo)

 

 

 

 

5

OFF (Up)

Sets auto answer. Verify that the Auto Answer Ring Count (rings):

 

 

on the maintenance-related system parameters form is S0=10.

 

 

 

 

6

OFF (Up)

CD (Carrier Detect) override (modem sends CD signal on connect, drops

 

 

CD on disconnect)

 

 

 

 

7

OFF (Up)

Power-on and ATZ reset software defaults (loads Y or Y1 configuration from

 

 

NVRAM)

 

 

 

 

8

ON (Down)

AT (Attention) command set recognition (enables recognition, smart mode)

 

 

 

 

 

 

 

 

4.At the management terminal, enter change system-parameters maintenance and press Enter. Scroll to page 3 of the form.

5.Set the Modem Connection: field to external if a modem is installed. Set the field to none if no modem is installed. This field must be administered or alarms will be generated.

NOTE:

The Modem Connection: field cannot be set to none if Alarm Origination is activated.

6.Set the Data Bits: field to 8 (default).

7.Set the Parity: field to none (default).

Page 106
Image 106
Lucent Technologies 555-230-128 External Modem Option Settings, 19. U.S. Robotics Model 839 External Modem Switch Settings