1. General Description

2. Key Features

• TMR triple-path communication + power (24 VDC)

• Connects T8312 (adapter) ↔ T8310 (expander processor)

• Length: 2 m (2M0); other lengths: 5M0, 10M0, 20M0

• LS0H (Low Smoke Zero Halogen) jacket for cabinet use

• Shielded twisted-pair for EMI/RFI immunity

• Hot-swap safe (no system downtime during replacement)

• SIL 3 / SIL 4 compliant per IEC 61508

• Keyed connectors to prevent miswiring

• Flame retardant: IEC 60332-3 Cat A

3. Electrical Specifications

• Number of Channels: TMR (3× communication + power)

• Power: 24 VDC, 3 A max

• Conductor: 20 AWG stranded tinned copper

• Insulation: XLPE, 600 V rated

• Shielding: Foil + braid (95% coverage)

• Isolation: 500 VDC between paths

• Data Rate: High-speed TMR proprietary protocol

• Current Rating: 3 A per power pair

4. Mechanical Specifications

• Length: 2 m (6.56 ft)

• Outer Jacket: Black LS0H, flame retardant

• Outer Diameter: ~16 mm (0.63 in)

• Weight: ~0.9 kg (1.98 lb)

• Connectors:

  • T8312 end: Keyed TMR connector

  • T8310 end: Keyed TMR connector

• Minimum Bend Radius: 12× OD (~192 mm)

• Flex Life: >10,000 cycles (cabinet routing)

5. Environmental Specifications

• Operating Temperature: −40 °C to +70 °C

• Storage Temperature: −40 °C to +85 °C

• Humidity: 5%–95% RH, non-condensing

• Pollution Degree: PD2

• Flame Rating: IEC 60332-3 Cat A

• Halogen Free: Yes (LS0H)

• Oil Resistance: IEC 60811-404

6. Safety & Approvals

• Safety Standard: IEC 61508

• SIL Rating: SIL 3 / SIL 4 (system-level)

• Approvals: CE, UL, CSA, ATEX, IECEx, TÜV

• Compliance: RoHS, REACH, LS0H

7. Compatibility

• T8310 (Expander Processor)

• T8312 (Expander Interface Adapter)

• Trusted T8100 Controller Chassis

• Trusted T8200 Expander Chassis

8. Ordering Information

• TC-301-02-2M0: 2 m Local Expansion Cable (T8312↔T8310)

• TC-301-02-5M0: 5 m version

• TC-301-02-10M0: 10 m version

• TC-301-02-20M0: 20 m version