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Cisco WS-C3750G-48PS-E Switch Overview
WS-C3750G-48PS-E belongs to the Cisco Catalyst 3750 Series Switches; it can be a great use for mid-sized networks and a powerful access layer switch for medium enterprise organizations. It offers easy deployment of converged applications and provides configuration flexibility, automation of intelligent network-services configurations and support for converged network patterns. Cisco Catalyst 3750G-48PS Power over ethernet switch is an innovative switch that improves LAN operating efficiency by combining industry-leading ease of use and the highest resiliency available for stackable switches. This product series represents the next generation in desktop switches, and features Cisco StackWise technology, a 32-Gbps stack interconnect that allows customers to build a unified, highly resilient switching system one switch at a time.
Cisco WS-C3750G-48PS-E Switch Parameters
| Device Type | Switch - 48 ports - L3 - Managed - stackable |
| Enclosure Type | Rack-mountable 1U |
| Subtype | Gigabit Ethernet |
| Ports | 48 x 10/100/1000 (PoE) + 4 x SFP |
| Power Over Ethernet (PoE) | PoE |
| Performance | Switching capacity: 32 Gbps ¦ Forwarding performance: 38.7 Mpps |
| MAC Address Table Size | 12K entries |
| Jumbo Frame Support | Yes |
| Routing Protocol | RIP-1, RIP-2, HSRP, static IP routing, RIPng |
| Remote Management Protocol | SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, SNMP 2c, SSH, CLI |
| Features | Flow control, full duplex capability, Layer 3 switching, auto-sensing per device, IP-routing, DHCP support, power over Ethernet (PoE), auto-negotiation, ARP support, VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, traffic shaping, stackable, Spanning Tree Protocol (STP) support, Rapid Spanning Tree Protocol (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, Dynamic Trunking Protocol (DTP) support, Port Aggregation Protocol (PAgP) support, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, Quality of Service (QoS), RADIUS support, Jumbo Frames support, Cisco StackWise Technology, Cisco EnergyWise technology, Uni-Directional Link Detection (UDLD), Rapid Per-VLAN Spanning Tree Plus (PVRST+), Link Aggregation Control Protocol (LACP), Remote Switch Port Analyzer (RSPAN) |
| Compliant Standards | IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3af, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.3ae, IEEE 802.1s |
| Power | AC 120/230 V ( 50/60 Hz ) |
| Dimensions (WxDxH) | 44.5 cm x 40.9 cm x 4.4 cm |
| Weight | 7 kg |
Optical Transceivers for Cisco WS-C3750G-48PS-E Switch
Based on the SFP (optical module form factor) Gigabit Ethernet ports accommodate range SFP (optical module form factor) optical transceivers, including Cisco 1000BASE-T, 1000BASE-SX, 1000Base-LX/LH, 1000BASE-ZX. For more information on these Cisco optical transceivers, please check the following table.
| MFG Part number | Description | Price |
| GLC-T | Cisco GLC-T Compatible 1000BASE-T SFP Copper RJ-45 100m Transceiver | US$13.02 |
| GLC-TE | Cisco GLC-TE Transceiver Module Compatible 1000M SFP Copper 100m | US$13.02 |
| GLC-LH-SM | Cisco GLC-LH-SM Compatible 1000Base-LX/LH SFP 1310nm 10km Transceiver | US$7.00 |
| GLC-LH-SMD | Cisco GLC-LH-SMD Compatible 1000Base-LX/LH SFP 1310nm 10km DOM Transceiver | US$7.00 |
| GLC-SX-MM | Cisco GLC-SX-MM-RGD Compatible 1000BASE-SX SFP 850nm 550m DOM Transceiver | US$6.00 |
| GLC-SX-MMD | Cisco GLC-SX-MMD Compatible 1000BASE-SX SFP 850nm 550m DOM Transceiver | US$6.00 |
| GLC-ZX-SM | Cisco GLC-ZX-SM Compatible 1000BASE-ZX SFP 1550nm 70km Transceiver | US$24.00 |
| GLC-ZX-SMD | Cisco GLC-ZX-SMD Compatible 1000BASE-ZX SFP 1550nm 70km DOM Transceiver | US$24.00 |
| GLC-BX-D | Cisco GLC-BX-D Compatible 1000BASE-BX-D SFP 1490nm-TX/1310nm-RX 10km DOM Transceiver | US$12.00 |
| GLC-BX-U | Cisco GLC-BX-U Compatible 1000BASE-BX-U SFP 1310nm-TX/1490nm-RX 10km DOM Transceiver | US$9.00 |
| CWDM SFP | 1.25G CWDM SFP 1270~1450nm 120km LC DDM Optical Transceiver | US$55.00 |
| SFP-GE-S | Cisco SFP-GE-S Compatible 1000BASE-SX SFP 850nm 550m DOM Transceiver | US$6.00 |
| SFP-GE-L | Cisco SFP-GE-L Compatible 1000BASE-LX/LH SFP 1310nm 10km DOM Transceiver | US$7.00 |
| SFP-GE-T | Cisco SFP-GE-T Compatible 1000BASE-T SFP Copper RJ-45 100m Transceiver | US$13.02 |
| SFP-GE-Z | Cisco SFP-GE-Z Compatible 1000BASE-ZX SFP 1550nm 70km DOM Transceiver | US$24.18 |
| DWDM SFP | 1.25G DWDM 80km SFP Transceiver 1528~1564nm LC SM Duplex DDM Optical Module | US$186.00 |
How to determine what types of optical transceivers for Cisco switches?
1. Finding the corresponding optical module compatibility matrix via Cisco official website.
2. On the running switches, enter the privileged mode and input # "show idprom interface gi1 / 0/48" command, you can query the optical module model and serial number, If not, try to input other two commands: xuxic or show idprom int g2/6
3. Checking the type and port based on the specification, it can be used as long as it is gigabit SFP optical module interface. But the specific models to be decided according to the actual demand, such as type, the actual use of distance, single-mode or multimode, single fiber or dual fiber etc. Welcome to consult Cozlink engineer.
Summary
The Cisco WS-C3750G-48PS-E is an innovative product of 3750G switches series and offers improved LAN operational performance with highest resiliency and ease of use. The Cisco Catalyst 3750G series switches are optimized for Gigabit Ethernet deployments and include a wide range of switches that meet small-network backbone- connectivity requirements. These switches are compatible with various Gigabit Ethernet SFP optical transceivers. All these fiber optic transceivers are available on Cozlink on really competitive prices. You can expect same day shipping on Cozlink. Not just optical transceivers, you can also find fiber optic pigtails and high speed cables for your choice on Cozlink.
