IBM 3745 Series Connection And Integration Manual page 62

o
Porta
Port 1
Port 2
o
Port 3
Step 4
Identifying L1C(s)
The L1Cs are not labeled. To identify a L1C, make a visual inspection.
L1C3 (2 Ports)
Port 0 {
• Use upper port for DCE
attachment.
• Use lower port for direct
attachment.
L1C4 (4 Ports)
porta
Port 1
Port 2
Port 3
• L1Cs 4A and 4B are physically
identical, the choice being
made at configuration time.
• L1C 4B uses port a only.
o
Figure 2-2. LlC Types 1, 3 and 4.
o
o
Step 5
Unplugging L1C cable(s)
Repeat this step for every L1C to be removed.
Unplugging L1C types 1,
3,
and 4 Cable(s)
Remove the cable by squeezing the side levers and pulling out the plug.
Chapter 2. 3745 Models 130 to 17A: Connecting L1Cs and Cables
2-15