To deploy router Nokia 7750 SR in general and 7750 SR-7s series in particular is extremely complicated. There are many components that make up a router. This article H2Ttool will help you understand the components for easy installation or purchase the necessary components for the installation of the 7750SR-7s router.
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List of components

This article will talk about Nokia router 7750 SR-7s using LVDC Bundle and Redundant CPM2-s. Below is a sample list of equipment required for installation:
Main Bundle
| Bundle | Part Number | Description |
|---|---|---|
| 3HE16196AA | 3HE11905AA | CHAS – 7750 SR-7s CHASSIS |
| 3HE12560AA | CMA – 7750 SR-7s CMA2-7s | |
| 3HE12559AA | CPM – 7750 SR-s CPM2-14s/7s | |
| 3HE11315AA | SFM – 7750 SR-7s/14s | |
| 3HE11312AA | FAN – 7750 SR-7s/14s FAN TRAY | |
| 3HE11180AA | CHAS – 7750 SR-7s/14s LVDC POWER SHELF | |
| 3HE11185AA | PSU – LVDC 6kw POWER SUPPLY | |
| 3HE11181AA | COM – 7750 SR-7s/14s COMMUNICATION CARD |
Accessory
| Part Number | Description |
|---|---|
| 3HE14029AA | ACC – 7750 SR-s MDA-s IMPEDANCE PANEL |
| 3HE12378AA | ACC – 7750 SR-7s XCM IMPEDANCE PNL |
| 3HE13889AA | ACC – SR-s LVDC PSU FILLER PANEL |
| 3HE12328AA | ACC – SR-7s/14s PWR SHELF ACC KIT LVDC |
| 3HE12395AA | ACC – 7750 SR-7s ACCESSORY KIT |
| 3HE12460AA | ACC – 7750 SR-7s AIR FILTER DOOR KIT |
| 3HE12469AA | ACC – SR-s LUG KIT (20 PACK) |
| 3HE12471AA | ACC – SR-7s CHASSIS REAR RACKMOUNT KIT |
| 3HE12462AA | Spare SD card (16GB SLC) |
Option
| Part Number | Description |
|---|---|
| 3HE11305AA | XCM – 7750 SR-s XCM-7s |
| 3HE15415CA | IOM-s – SR-s IOM-s 800G – HE |
| 3HE12515AA | MDA-s – SR-s 4pt QSFP-DD + 4pt QSFP28 |
| 3HE15563AA | MDA-s – SR-s 2pt QSFP-DD + 2pt QSFP28 |
Picture of main components
CHAS – 7750 SR-7s CHASSIS – 3HE11905AA




CMA – 7750 SR-7s CMA2-7s – 3HE12560AA


CPM – 7750 SR-s CPM2-14s_7s – 3HE12559AA


SFM – 7750 SR-7s_14s – 3HE11315AA



FAN – 7750 SR-7s_14s FAN TRAY – 3HE11312AA


CHAS – 7750 SR-7s_14s LVDC POWER SHELF – 3HE11180AA



PSU – LVDC 6kw Power Supply – 3HE11185AA



COM – 7750 SR-7s_14s COMMUNICATION CARD – 3HE11181AA


Accessory 7750 SR-7s
ACC – 7750 SR-7s Air filter door kit – 3HE12460AA
| Quantity | Accessory With Cable Wrapper (3HE12460AA) |
|---|---|
| 1 | Left upright assembly for 7750 SR-7s, with factory-installed cable wrapper |
| 1 | Right upright assembly for 7750 SR-7s, with factory-installed cable wrapper |
| 1 | Cross bar assembly, top bar (including alarm sensor) |
| 1 | Cross bar assembly, bottom bar for 7750 SR-7s |
| 1 | Air filter door for 7750 SR-7s |
| 4 | Alignment pin, 10-32 thread |
| 12 | 6-32 x 1/2 in., Phillips, pan head, SEMS cone washer, stainless steel screws |
| 4 | 6-32 x 1/4 in., Phillips, flat head, 100 degree, patch lock, black, steel screws |
| 4 | 6-32 x 1/4 in., Phillips, pan head, SEMS cone washer, zinc-plated steel screws |
| 4 | 0-32 x 3/8 in., Phillips, pan head, SEMS cone washer, zinc-plated steel screws |
| 1 | Air intake filter |
| 1 | Ground strap |




ACC – 7750 SR-7s XCM IMPEDANCE PNL – 3HE12378AA


ACC – 7750 SR-s MDA-s IMPEDANCE PANEL – 3HE14029AA

ACC – SR-7s CHASSIS REAR RACKMOUNT KIT – 3HE12471AA
| Quantity | Accessory |
|---|---|
| 4 | Screw, 8-32 × 7/16 in. Special EXTD HEX HD PH2 DOG POINT SEMS SQ Cone STL ZR |
| 2 | Screw, 8-32 × 7/16 in. Special EXTD HEX HD PH2 DOG POINT SEMS SQ Cone STL ZR |

ACC – SR-7s_14s PWR SHELF ACC KIT LVDC – 3HE12328AA
| Quantity | Item Description |
|---|---|
| 6 | Screw, 8-32 x 3/8 in. Phillips, flat head, 100°, stainless steel, black oxide, patch lock |
| 20 | Screw, 1/4-20 x 5/8 in. hex-head, Phillips #3, SEMS, square cone washer, steel, zinc-plated |
| 16 | Screw, 8-32 × 7/16 in. Special EXTD HEX HD PH2 DOG POINT SEMS SQ Cone STL ZR |
| 1 | Bus bar adapter (negative) |
| 1 | Bus bar adapter (positive) |
| 1 | Front rack-mounting bracket for the power shelf (LVDC power shelf, right side) |
| 1 | Front rack-mounting bracket for power shelf (LVDC power shelf, left side) |
| 1 | Tie-point rear power shelf bracket (left side) |
| 1 | Tie-point rear power shelf bracket (right side) |
| 1 | Base assembly for the bus bar shield for LVDC power shelf |
| 1 | Cover assembly for the bus bar shield |




ACC – SR-s LUG KIT (20 PACK) – 3HE12469AA
| Quantity | Item Description |
|---|---|
| 20 | 2-hole, for #2 AWG (35.0 mm2) wire, 1/4 in. holes with 5/8 in. spacing, 1/2 in.tongue, double-crimp, 90°, power lug terminal (Burndy YAZV2C2NT 14FX B90) |
| 40 | 1/4-20 conical Keps nuts, steel, zinc-plated |

ACC – SR-s LVDC PSU FILLER PANEL – 3HE13889AA


Data Card (Option)
XCM-7s – 3HE11305AA


IOM-s – SR-s IOM-s 800G – HE – 3HE15415CA




MDA-s – SR-s 4pt QSFP-DD + 4pt QSFP28 – 3HE12515AA


MDA-s – SR-s 2pt QSFP-DD + 2pt QSFP28 -3HE15563AA


Above are all pictures of the accessories and some data cards of Nokia 7750 SR-7s router. If you have any questions, please leave a comment below the article. Wishing you a productive working day.

