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TC1630R/S's Configuration
1. Select the application's Line Code: SW6, 7 or 8. Slide the appropriate switch to the Down (On) position.
AMI: set SW8 to the Down (On) position.
B8ZS: set SW7 to the Down (On) position.
HDB3: set SW6 to the Down (On) position.
Only one of the above switches should be selected, as any two switches in the Down (On) position will cause
the "Alarm" LED to flash.
2. Select the Line Length setting for T1: SW3, 4, 5 (see Figure 5). Slide the appropriate switches to the
Down position.
Depending on the distance between the TC1630R/S and the T1 cross connect, set the Line Length for the
T1 transmit line driver according to the table below. When connecting to DSX-1 cross-connects for Line
Lengths ranging from 0 to 655 feet, see DIP Switch Functions on page 6. There is no need to set the Line
Length for E1 applications; set SW3, 4, and 5 to the Up (Off) position.
Note: The "Line Length" setting "1 0 0" is invalid. If "Line Length" is set as (1 0 0), then the Alarm
LED will flashes, indicating the setting is invalid.
Legend:
0 = Off
1 = On
133-266 feet
DSX-1
266-399 feet
ABAM
399-533 feet
AMI
533-655 feet
CSU
NETWORK
INTERFACE
133-266 feet
DSX-1
266-399 feet
ABAM
399-533 feet
B8ZS
533-655 feet
CSU
NETWORK
INTERFACE
PCM-30,
HDB3
G.703
L I N E C O D E
SW8
SW7
0-133 feet
1
0
1
0
1
0
1
0
1
0
1
0-655 feet
1
0-133 feet
0
0
0
0
0
0
0-655 feet
0
0-655 feet
0
Figure 5. TC1630R/S Configuration Table
L I N E L E N G T H
SW6
SW5
SW4
0
1
0
0
0
1
0
0
0
1
0
0
0
0
0
1
1
0
1
1
0
0
1
0
1
1
0
0
1
0
1
0
0
1
0
1
1
0
1
0
- 10 -
TC1630R/S User's Manual
LOCAL & REMOTE
SW3
LOOPBACK TESTS
1
0
0
0
1
0
0
1
0
1
1
0
1
1
0
1
0
0
1
0
0
1
0
0
0
1
0
0
1
0
1
1
0
1
1
0
0
1
0
0
1
0
0
0
0
Rev. 2.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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