System Operation 3-41

System Configuration and OperationRecording the Time Slot Configuration

3.15 Recording the Time Slot Configuration
After setting up the initial system configu ration and define the time slot map, record th is
information on paper. Recording the initial configuration in a logical manner will help if you
have a problem later.
Record the information in a way that makes sense to you and will be easy for others to
understand. Also be sure to note the initial settings for each port in copies of the T1 operation
tables provided in Table 3-6. Store all initial configuration information in a safe place where
anyone needing to service the system can easily find it.

Table 3-6. Time Slot Recording Form for T1 Operation

WAN Port No. _______ - _______
3.16 Power Supply Redundancy
Each power supply component runs in a load-sharing mode, if your IMACS-200 is so
equipped. Should one of the supplies fail, the backup unit will automatically take over all t he
power needs of the IMACS-200. Also, the defective unit will create a system alarm upon
failure, to alert an operator. Similarly , if th e craf ts per son shoul d disc onnect o ne of th e power
TS Number port Type Port Number
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24