Product Description
Product Overview
| Field | Details |
|---|---|
| Manufacturer | Invensys (Foxboro) |
| Part Number | P0973JM |
| Product Type | A4-Series 24-Port Copper Managed Switch |
| Function | Layer-2 Ethernet switching for small to medium-sized network applications |
| System Compatibility | I/A Series System, The MESH Control Network |
| Associated Document | PSS 21H-7C3 B4 |
Functional Specifications
| Feature | Specification |
|---|---|
| Port Configuration | - 24 ports of 100Base-TX (RJ-45 connectors) - Two fixed RJ-45 10/100/1000 ports (configurable for uplink/stacking, 1000Base-T for Cat5 copper cables) - Two 1000Base-X uplink Gigabit (SFP) ports for Mini-GBIC modules |
| Uplink Modules | - 1000Base-SX (P0972WT, MMF, range per cable type) - 1000Base-LX (P0972WU, SMF, 10 km/6.2 mi) - 1000Base-LX/LH (P0972YQ, MMF, range per cable type) - 1000Base-ZX (P0973FT, SMF, 80 km/49.6 mi, not recommended <8 km/5 mi) - 1000Base-T (P0972YL, RJ-45, 100 m/330 ft) - Bi-directional Mini-GBIC Kits: - P0973JD (P0973JB/P0973JC, SMF, 10 km/6.2 mi, 1310/1490 nm) - P0973KP (P0973KM/P0973KN, S-SMF, 40 km/25 mi, 1310/1490 nm) - P0973KS (P0973KQ/P0973KR, S-SMF, 120 km/74.6 mi, 1490/1590 nm, min 30 km/19 mi) |
| Operating Range (Mini-GBIC) | - P0972WT: 62.5 μm MMF (160 MHz/km: 2-220 m, 200 MHz/km: 2-275 m), 50 μm MMF (400 MHz/km: 2-500 m, 500 MHz/km: 2-550 m), 850 nm - P0972YQ: 62.5 μm MMF (160 MHz/km: 2-2000 m), 50 μm MMF (400 MHz/km: 2-1000 m), 1310 nm - P0972WU: 9-10 μm SMF, 10,000 m, 1310 nm - P0973FT: 9-10 μm SMF, 80,000 m, 1550 nm - P0973JD: 9 μm SMF, 10,000 m, 1310/1490 nm - P0973KP: 9 μm S-SMF, 40,000 m, 1310/1490 nm - P0973KS: 9 μm S-SMF, 120,000 m, 1490/1590 nm |
| Operation Mode | Full duplex |
| Standards Compliance | IEEE 802.3u (Fast Ethernet), 802.1w (Rapid Spanning Tree Protocol, RSTP), 802.3, 802.3z |
| Network Features | - VLAN configurations (up to 6 VLANs, non-I/A Series VLANs for TCP/UDP only) - Rapid Spanning Tree Protocol (RSTP) for redundant path management and loop prevention - Port mirroring for traffic analysis - System Management software for monitoring and configuration - SNMP/RMON-based management via local console port |
| Power Supply | - Internal: 100-240 V AC, 50-60 Hz (auto-sensing) - External: Supports redundant power supply (P0973BP, 156 W) |
| Power Consumption | Maximum 31 Watts |
| Heat Dissipation | Maximum 105 BTUs/hr |
| Current | 0.5 A at 110 V AC, 0.47 A at 220 V AC |
Physical Specifications
| Feature | Specification |
|---|---|
| Mounting | Desk, shelf, or 19-inch rack (1U high) |
| Dimensions | - Height: 4.4 cm (1.7 in) - Width: 44.1 cm (17.36 in) - Depth: 36.85 cm (14.5 in) |
| Weight | Approx. 2.61 kg (5.8 lb) |
| Cable Connectors | - Switch Ports: RJ-45 (100Base-TX) - Uplink Ports: RJ-45 (1000Base-T), LC fiber (1000Base-X) |
| Ventilation Clearance | Minimum 5.1 cm (2.0 in) at left, right, and rear |
Environmental Specifications
| Parameter | Specification |
|---|---|
| Operating Temperature | 0 to 50°C (32 to 122°F) |
| Temperature Change | Within 10°C (18°F) per hour |
| Storage Temperature | -40 to 70°C (-40 to 158°F) |
| Relative Humidity | 5 to 95% (noncondensing) for both operating and storage |
| Vibration | Meets IEC 68-2-36, IEC 68-2-6 |
| Shock | Meets IEC 68-2-29 |
| Drop | Meets IEC 68-2-32 |
| Contamination | Class G1 (Mild) per ISA Standard S71.04 |
Regulatory Compliance
| Certification Type | Details |
|---|---|
| Electromagnetic Compatibility (EMC) | 47 CFR Parts 2 and 15, CSA C108.8, 89/336/EEC, EN 55022 (Class A), EN 61000-3-2, EN 61000-3-3, EN 55024, AS/NZS CISPR 22, VCCI V-3 |
| Product Safety | UL 60950, CSA C22.2 No. 60950, 73/23/EEC, EN 60950, IEC 60950, EN 60825, 21 CFR 1040.10 |
| Location | UL/UL-C listed for ordinary locations, meets safety standards for fire and shock hazards |
| Environmental | Complies with EU Low Voltage and EMC Directives (CE marked) |
Ordering Information
| Field | Details |
|---|---|
| Part Number | P0973JM (24-Port Copper Managed Switch) |
| Related Components | - Redundant Power Supply: P0973BP (156 W) - Redundant Power Supply Chassis: P0973BM (8-slot), P0973BN (2-slot) - Uplink Modules: P0972WT, P0972WU, P0972YQ, P0973FT, P0972YL, P0973JD, P0973KP, P0973KS |
| Related Documents | - PSS 21H-7C3 B4: The MESH Control Network Ethernet Equipment - PSS 21H-2W3 B4: DIN Rail Mounted Power Supply (for external power details) |