363-206-204
Powering, Verification, and Circuit Pack Installation
Issue 9 October 1998
4-43
Notes
:
1. Set the LBO setting based on the type of cable used and the cable length.
2. On the BBF3 circuit pack section 8 must be set to OFF.
3. In the absence of engineering records, set the line code (sec 4, 5, 6, and 7) for AMI.
Figure 4-12. BBF1B (DS1) and BBF3 (DS1PM) Option Switches
Switch 1 Settings
LBO Selection Line Code Selection
(26 Gauge)
1249C Cable
Length (ft.)
(22 Gauge)
613C Cable
Length (ft.)
Sec 1 Sec 2 Sec 3
Pulse
Format
Sec 4
Chan 1
Sec 5
Chan 2
Sec 6
Chan 3
Sec 7
Chan 4
30 to 90 30 to 133 OFF OFF OFF AMI ON ON ON ON
>90 to 180 >133 to 267 OFF OFF ON
>180 to 270 >267 to 400 OFF ON OFF B8ZS OFF OFF OFF OFF
>270 to 360 >400 to 533 OFF ON ON
>360 to 450 >533 to 655 ON OFF OFF
S1
Component Side
Connector
Edge
Latch
876543
S1
OFF
ON
21
To Next Page
Loading...
Need help?
General
