ADTRAN T200 H2TU-R dimensions Maintenance, Replacement Item Part Numbers, Desiccant Renewal

6.Disconnect the door switch JP2 connector on the fan board by carefully pulling the connector off the header. DO NOT PULL ON WIRES.

7.Take an insulated ball-clip or alligator-clip and short across the two exposed door switch JP2 connector pins at the fan board.

8.If the Door LED goes Off, the door switch is defective.

9.Follow the door switch replacement Instructions to replace the defective door switch.

NOTE

Refer to the Fan Powering Unit I&M Practice: 61150091L1-5, for additional details on the FPU.

4. MAINTENANCE

Maintenance consists of replacement of surge arrester gas tubes, door gaskets, or other replaceable items. Fan board repairs should not be attempted in the field. Repair services are obtained by returning the defective unit to ADTRAN Customer Service.

Refer to Table 7 for a list of replacement item part numbers.

Table 7. Replacement Item Part Numbers

Description	Part Number
Desiccant, 8 Oz. Bag	3168001
Gas Tubes	3186001
Gas Tube Insert/Extract Tool	3269042
Primary Fan Board	2150090-5
Secondary Fan Board	2150090-6
Pad Mount Kit	2150090-8
Pole Mount Kit	2150090-9
Cable Stub Mount Kit (0.86-1.26")	2150090-15
Door Gasket Repair Kit	2150090-16
Door Switch Repair Kit	2150090-17

Desiccant Renewal

Each cabinet is shipped with two moisture absorbing desiccant bags inside the cabinet. To ensure continued moisture absorption the desiccant must be renewed periodically, depending on the environment.

Surge Arrester Replacement

Each slot in the T200/T400 shelf has four associated surge arrestor gas tubes (Figure 14) for surge protection. Surge protection is provided by replaceable gas surge arrestor tubes. Perform the following procedure to replace gas tubes:

WARNING

Prevent electrical shock during maintenance by removing the appropriate slot powering modules and tagging out to prevent inadvertent insertion.

1.At the CO, remove the appropriate power module to deenergize the associated slot at the cabinet.

2.Grasp one gas tube and remove it using the gas tube pliers supplied with the cabinet, see Figure 15.

3.Insert a replacement gas tube in the same position.

		Slot 12,						Slot 1,
	Connection							Connection
		to Cable						to Cable
P12	P11	P10	P9	P8	P7	P6	P5	P4	P3	P2	P1

Slot 12,

Gas TubesSlot 1,

Gas Tubes

Figure 14. Surge Arrestor Board

Typical removal or replacement shown.

Figure 15. Surge Arrestor Gas Tube

Replacement

1 8 Section 61150090L1-5A, Issue 1 61150090L1-5A