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Mitel SX50 KSU (8 x 48) (Refurbished)
Mitel #9104-001-000 SX50 Main Power Supply (110v) (Refurbished)
Mitel #9104-010-001 SX50 Main Control Card I (Refurbished)
Mitel #9104-010-100 SX50 Main Control Card II (Refurbished)
Mitel #9104-011-104 MS53 Firmware Module for SX50 (Refurbished)
Mitel #9104-011-105 MS54 Firmware Module for SX50 (Refurbished)
Mitel #9104-011-106 MS55 Firmware Module for SX50 (Refurbished)
Mitel #9104-020-001 SX50 ONS Line Card (16cct.) (Refurbished)
Mitel #9104-020-002 SX50 ONS Line Card (8cct.) (Refurbished)
Mitel #9104-020-003 SX50 ONS Line Card (8cct.) (Refurbished)
Mitel #9104-020-100 SX50 OPS Card (4cct.) (Refurbished)
Mitel #9104-020-101 SX50 OPS Card (8cct.) (Refurbished)
Mitel #9104-021-001 SX50 COV Line Card (8cct.) (Refurbished)
Mitel #9104-024-000 SX50 DNIC Line Card (8cct.) (Refurbished)
Mitel #9104-024-001 SX50 DNIC Line Card (8cct.) (Refurbished)
Mitel #9104-030-001 SX50 LS/GS Trunk Card (8cct.) (Refurbished)
Mitel #9104-030-100 SX50 LS/GS Trunk Card (4cct.) (Refurbished)
Mitel #9104-030-101 SX50 LS/GS Trunk Card (8cct.) (Refurbished)
Mitel #9104-030-110 SX50 DID Trunk Card (4cct.) (Refurbished)
Mitel #9104-040-000 SX50 Universal Card (Refurbished)
Mitel #9104-041-001 SX50 E&M Trunk Card (Refurbished)
Mitel #9104-042-001 SX50 Music on Hold / Paging Module (Refurbished)
Mitel #9104-044-001 SX50 RMATS Module (Refurbished)