Lucent Technologies 555-230-128 manual External Modem Option Settings

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).