220-0000070 rev01
UIM-T1
T1 Uplink Interface Module
Installation
1. Unpack and inspect the equipment.
The following components should be included:
1 UIM-T1
4 #6 Phillips Panhead Internal Locking Screws
2 #6 Phillips Beige Flathead Screws
If there is any visible damage, do not attempt to connect the device. Contact Customer Support at 1-
877-638-2638 (001-603-427-0600 for international customers) or [email protected].
2. Verify switch configuration.
Ensure that the DIP switches on the UIM-T1 circuit board are positioned correctly (according to desired
configurations) prior to installing the UIM-T1 on a Multiplexer Uplink Module or in a Mini DSLAM. There
are eight DIP switches located on the top side of the circuit board, opposite the faceplate. Switches are
numbered from left to right, starting with Switch #1 on the left and ending with Switch #8 on the right.
Switches 1-2 and 7-8 are not used. Configurations for switches 3-6 are as follows:
Installation Instructions
CAUTION
Net to Net Technologies strongly recommends the use of proper electrostatic discharge (ESD) precautions when
handling this equipment.
Frame Type & Line Coding
Switch Configuration
Switch #3 Frame Type Switch #4 Line Coding
down
ESF
down
B8ZS
up
SF
up
AMI
SF = Super Frame
ESF = Extended Super Frame
B8ZS = Bipolar with 8 Zero Substitution
AMI = Alternate Mark Inversion
Transmit Line Buildout
Switch Configuration
Switch #5
LBO Low
Switch #6
LBO High
Line Attenuation
down
down
0 dB
up
down
-7.5 dB
down
up
-15 dB
up
up
-22.5 dB
