AT&T Release 2.0 manual Connecting the ESF T1 CSU, Connecting the ESF Tl CSU Rear Panel

Connecting the Control Unit to the Network Interface

Step 3: Connecting the ESF T1 CSU

Follow this procedure to connect the ESF T1 CSU to the 100D module and the DS1 network (see Figure 4-6):

AC

D CPOWER

POWER CONNECTION

TERMINAL

DC BLOCK

FUSE

DATA PORT

		1	18
NET	DTE	19	39

SW7 SW6 SW5 SW4 SW3 SW2 SW1

WIRE WRAP CONNECTOR

Figure 4-6. Connecting the ESF Tl CSU (Rear Panel)

a.Connect one of the following cords to the rear panel of the CSU:

■Connect a D8W cord directly to pins 3, 5, 21, and 23 on the wire-wrap connector (see Table 4-14and Table 4-15).

■Connect an M4BJ cable adapter to the 15-pin DTE female connector (see Table 4-16).

4-26Installing the Channel Service Unit