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Net to Net Technologies strongly recommends the use of proper electrostatic discharge (ESD) precautions when
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handling this equipment.
1.0 INSTALLATION
1.1 Unpack and Inspect the TIM1500
If there is visible damage, do not attempt to connect the device; contact Customer Support at 1-877-
638-2638 (1-603-427-0600 for international customers) or support@nettonet.com.
1.2 Verify TIM1500 Switch Settings
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TIM1500s with printed circuit boards (PCBs) at rev 810-0000AA have eight switch banks. Section 1.2.1 and
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1.2.2 below refer to the switch bank labeled "SW 7"; all switches on the other seven switch banks should be in
the default "up" position. PCBs at any rev other than 810-0000AA have only one switch bank.
1.2.1 Switch 2
1.2.2 Switch 3
Switch 3 indicates to the IP DSLAM's MUM whether the TIM1500 will be acting as a T1
provider or a T1 subscriber. Default, in the UP position, dictates that the TIM1500 will be
acting as a provider. In most cases, this will be the desired setting. The TIM1500 can, however,
be configured to act as a T1 subscriber, if so desired, by placing Switch 3 in the DOWN
position.
Provider Mode
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You will NOT be able to set speed or timing configurations on a TIM1500 in subscriber mode. These
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settings will be determined via each port's communication with its respective partner T1 provider.
210-0000053 rev02
The TIM1500 houses a bank of eight [8] switches at the rear of the
module (opposite the faceplate). Switches are numbered from left to
right, 1 - 8. All eight switches should be in the UP (default) position.
Switches 1 and 4-8 are not used.
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Switch 2 indicates, to the IP DSLAM's MUM, that the module is a T1
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inverse multiplexer and MUST be in the UP position. The TIM1500 will
NOT achieve link if Switch 2 is in the DOWN position.
Subscriber Mode
TIM1500 User Guide
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