User's Manual

68P80801H45-1 1/20/2002 45

EBTS System Manual - Vol 2 Troubleshooting

QUAD Channel Base Radio/Base Radio FRU Replacement Procedures

1. Remove power from the Base Radio by setting the Power Supply ON/OFF

switch to the OFF position.

2. Tag and disconnect the cabling from the BR rear panel connectors.

3. Remove the Power Ampliﬁer module to reduce the BR weight. Remove the

two M10 Torx screws that secure the Power Ampliﬁer module. Slide the

module out of the chassis.

4. Remove the four M30 TORX screws which secure the BR front panel to the

Equipment Cabinet mounting rails.

5. While supporting the BR, carefully remove the BR from the Equipment

Cabinet by sliding the BR from the front of cabinet. When the BR becomes

free from its mounting rails, be sure to fully support it.

Installation

Install BR in Equipment Cabinet as follows:

CAUTION

A Single Carrier BR can weigh up to 76 LBS (34 KG). A

Quad Carrier BR can weigh up to 91 LBS (41 KG).

Handle the BR with extreme caution, and according to

local health and safety regulations.

1. If adding a BR, install side rails in the appropriate BR mounting position in

the rack.

2. Remove the Power Ampliﬁer module to reduce the BR weight. Remove the

two M10 Torx screws that secure the Power Ampliﬁer module. Slide the

module out of the chassis.

3. While supporting the BR, carefully lift and slide the BR in the Equipment

Cabinet mounting position.

4. Secure the BR to the Equipment Cabinet mounting rails using four M30 Torx

screws. Tighten the screws to 40 in-lb (4.5 Nm).

5. Slide the Power Ampliﬁer module back into the BR chassis. Replace two

M10 Torx screws that secure the Power Ampliﬁer module. Secure the

module by tightening the screws to the speciﬁed torque of 5 in-lbs.

6. Connect the cabinet cabling to the BR. Refer to Backplane ﬁgure XX.

7. Perform BR activation as described below.