Lucent Technologies 6 manual Connecting the MCU to the CRCS PC

Connection Procedure

TDM Bus			Analog	3800
		TN746B
			Analog	3800
			DCP
				7400A
		TN754B
DS1
			DCP	7400A
	Voice Grade
	Data Call

RS232

Public/Private

Network Analog

Modem

RS232

PC

Figure 6. Remote CRCS Connection to MCU (Modem Pooling)

5.Connect the female end of the RS232 cable to the male end of either an adapter or the CRCS PC first serial port.

6.Connect the male end of the RS232 cable to the female 25-pin RS232 con- nector on the analog modem (remote connection) or data module (local connection).

MCU

TN754B/

TN2224

B25A

5000 Feet

	103A
Cross-Connect
	or Wall
at MDF	Jack

D8W

7400B/8400B

M25B

PC

Figure 7. Connecting the MCU to the CRCS PC

7.If you are using the 8400B data module (TN2224 required), go to step 8. If you are using the 7400B data module, verify or change the following dip switchnsettings:

For a standalone data-only 7400B data module, set dip switch #1 to

ON (UP), if no phone is connected. All other dip switches should be

nset to the OFF position (DOWN);

If you are using a phone on a 7400B data module, set all dip switches to the OFF position (DOWN).

8.Continue with "Checking the Modem Settings" on page 12.

Issue 1 CRCS R6.0 April 1999 11