CXP

Master, crossover, multi-protocol processing unit

slots 1, 2

-PIU

PIU

Power Inlet Unit

slots 8, 9

-FANA

FANA

Interface area fan

slot 10

-FANB

FANB

Processing area fan

slot 11

-FANB

MD1

32-way E1 service daughter card

slots 1-1, 1-2, 2-1, 2-2

• Required for use with TN71CXP/TN72CXP, L12/L75 interface boards.
• When the TPS protection of MD1 is not configured, MD1 must be plugged into the TN71CXP/TN72CXP board in slot 1 for normal use.
• When TPS protection is configured slot 2-1 protects slot 1-1 and slot 2-2 protects slot 1-2.

CD1

2-channel channelized STM-1 service daughter card

(supports E1 CES, IMA, ML-PPP)

slots 1-1, 1-2, 2-1, 2-2

Required to be used with TN71CXP/TN72CXP single board.

AD1

2-way ATM STM-1 service daughter card

slots 1-1, 1-2, 2-1, 2-2

Required for use with TN71CXP/TN72CXP single board.

AFO1

8-channel ATM STM-1 interface board

slots 3~7

Required for use with TN71CXP/TN72CXP single board.

CO1

8-Channel Channelized STM-1 CES Optical Interface Board

slots 3 to 7

Required for use with CXP single board.

TN82CD1

2-channelized STM-1 optical interface board

(Support E1 CES, IMA, ML-PPP)

slots 3~7

Required for use with the TN73CXP single board. up to four TN82CD1s are included in the interface board of the TN73CXP.

D75E/D12E

32-way E1 interface board

slots 3 to 7

Required for use with CXP single board.

ETFC

12-channel FE Electrical Interface Board

slots 3 to 7

Required for use with CXP single board.

ETMC

10×FE+2×FE/GE Hybrid Electrical Interface Board

slots 3 to 7

Required to be used with CXP single board.

EFF8

8-channel FE optical interface board

slots 3 to 7

Required for use with CXP single board.

EFG2

2-channel GE Optical Interface Board

slots 3 to 7

Required for use with CXP single board.

EFG4

4-channel GE Optical Interface Board

slots 6, 7

Required for use with TN73CXP single board.

POD41

2-channel STM-4/STM-1 POS interface board

slots 3~7

Required to use with CXP single board.

AIE

Enhanced Auxiliary Interface Board

slots 4 to 7

Required for use with TN73CXP single board.

L12

16-way E1 Electrical Interface Board (120 Ohm)

slots 3～6

Required for use with MD1 and TN71CXP/TN72CXP.

L75

16-way E1 electrical interface board (75 ohms)

slots 3 to 6

Required for use with MD1 and TN71CXP/TN72CXP.