Lucent Technologies Release 6 manual DS1 Tie Trunks Using Channel Service Unit

DEFINITY Enterprise Communications Server Release 6	Issue 5
Installation and Test for Multi-Carrier Cabinets 555-230-112	May 1998

5Install and Wire Telephones and Other Equipment

DS1 Tie Trunk Example Page 5-9

DS1 Tie Trunks Using Channel Service Unit

Figure 5-7 shows an example of the connections required to connect a DS1 tie trunk to an external T1 Channel Service Unit (CSU) or Integrated Channel Service Unit (ICSU). The ICSU is used to interface the DS1 tie trunks with the 1.544 Mbps digital facility.

Contact your Lucent Technologies representative for maximum cabling distances.

POWER	AUX PORT	COM PORT	MODEM	NETWORK
				DTE

Figure Notes

1.To TN722B DS1 Tie Trunk Circuit Pack

2.C6C Cable (For Distances Over 50 Feet (15.24 m), Use C6E Cables)

3.CSU or ICSU (3150 Shown)

4.T (Tip)

0012_1 RBP 062696

5.R (Ring)

6.T1 (Tip 1)

7.R1 (Ring 1)

8.1.544 Mbps Digital Service Interface

9.To T1 Carrier

Figure 5-7. Typical Connections to Channel Service Unit