This CAB-SS-V35MT is 100% genuine Cisco product. It won't have any compatibility problem with your Cisco devices. And the Cisco V.35 Cable, DTE Male to Smart Serial, 10 ft (3m) is factory new with original packaging

Specifications

Prod. #: CAB-SS-V35MT=

P/N: 72-1428-01

Description: V.35 Cable, DTE Male to Smart Serial, 10 ft (3m)

Type: Smart Serial Cable

Connector 1: 26 Pin Smart Serial Male

Connector 2: 34 Pin V.35 DTE Male

Length: 10 ft (3m)

Weight: 0.59 lbs

Color: Blue

Designed For: WIC-2T