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Popular Cisco 3750G-12S Manual Pages
Hardware Installation Guide - Page 3
... and 3750V2-48PS Switch Front Panel 6 Gigabit Ethernet Switches 6 Catalyst 3750G-12S and Catalyst 3750G-12S-SD Switch Front Panel 6 Catalyst 3750-24T, 3750G-24TS, and 3750G-24TS-1U Switch Front Panel 6 Catalyst 3750G-48TS Switch Front Panel 8 Catalyst 3750G-24PS Switch Front Panel 8 Catalyst 3750G-48PS Switch Front Panel 9 Catalyst 3750G-16TD Switch Front Panel 9 Catalyst 3750G Integrated Wireless...
Hardware Installation Guide - Page 11
... to which you might deploy the switches in your network. Catalyst 3750V2-24FS switch-24 SFP module slots (downlink) and 2 SFP module slots
(uplink) - Catalyst 3750V2-48PS switch-48 10/100 PoE ports and 4 SFP module slots
OL-6336-10
Catalyst 3750 Switch Hardware Installation Guide
1-1 Catalyst 3750-24TS switch-24 10/100 Ethernet ports and 2 SFP module slots - This chapter provides...
Hardware Installation Guide - Page 12
... 3750 Switch Hardware Installation Guide
1-2
OL-6336-10 Catalyst 3750G-48TS switch-48 10/100/1000 Ethernet ports and 4 SFP module slots - Catalyst 3750G-12S-SD switch-12 SFP module slots - Catalyst 3750G-24T switch-24 10/100/1000 Ethernet ports - Catalyst 3750G-24TS-1U switch-1 RU-24 10/100/1000 Ethernet ports and 4 SFP module slots - Features
Chapter 1 Product Overview
• Gigabit...
Hardware Installation Guide - Page 13
.../s. The Catalyst 3750G-12S-SD switch does not support an RPS. Figure 1-1
Catalyst 3750-24FS Switch
132240
SYST RPS
MASTR STAT
DUPLX SPEED STACK MODE
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Catalyst 3560 SERIES
1 2
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1 100BASE-FX ports 2 SFP module slots
OL-6336-10
Catalyst 3750 Switch Hardware Installation Guide
1-3 StackWise ports are not...
Hardware Installation Guide - Page 16
...1 10/100 PoE ports 2 SFP module slots
Gigabit Ethernet Switches
Catalyst 3750G-12S and Catalyst 3750G-12S-SD Switch Front Panel
The SFP module slots on the switch are numbered 1 to 28 on the Catalyst 3750G-24TS Switch (Figure 1-9) and on the Catalyst 3750G-24TS-1U Switch (Figure 1-10).
Port 3 is above port 4, and so on. The SFP module slots are numbered 1 through 12. The first member of...
Hardware Installation Guide - Page 20
... 3750G Integrated Wireless LAN Controller switches have an integrated Cisco wireless LAN controller. You can set for Cisco IP Phones and Cisco Aironet Access Points.
1-10
Catalyst 3750 Switch Hardware Installation Guide
OL-6336-10 The first member of the attached device and advertises its own capabilities. They also provide Cisco pre-standard PoE support for autonegotiation, the port...
Hardware Installation Guide - Page 23
...OL-6336-10
Catalyst 3750 Switch Hardware Installation Guide
1-13
LEDs
You can use the switch LEDs to configure and monitor individual switches and switch clusters.
Chapter 1 Product Overview
10/100 and 10/100/1000 Ports
SFP Modules
The Catalyst 3750 switch uses Gigabit Ethernet SFP modules to establish connections to networks. These transceiver modules are field-replaceable...
Hardware Installation Guide - Page 26
... to this device). Press the Standby/Active button on the Catalyst 3750G-12S-SD switch.
Table 1-3
Master LED
Port Mode Off Green Amber
Description Switch is off or not properly connected. An error occurred when the switch was selecting the stack master switch or a stack error.
1-16
Catalyst 3750 Switch Hardware Installation Guide
OL-6336-10
The RPS LED is the stack master or...
Hardware Installation Guide - Page 35
... network devices for the Catalyst 3750G-12S-SD switch.
Chapter 1 Product Overview
Rear Panel Description
You can also connect the Cisco RPS 2300 or the Cisco RPS 675 to provide backup power should be damaged.
Cisco RPS Connector
The Cisco RPS 2300 (model PWR-RPS2300) and the Cisco RPS 675 (model PWR675-AC-RPS-N1=) support the Catalyst 3750 family of switches, except for internal...
Hardware Installation Guide - Page 43
..., connect the ethernet cables only to locate its translation in a situation that accompanied this product is replaced incorrectly.
Statement 1015
OL-6336-10
Catalyst 3750 Switch Hardware Installation Guide
2-5 Use the statement number provided at the end of each warning to intrabuilding or nonexposed wiring or cabling. Statement 1072
Warning No user-serviceable parts inside. Statement...
Hardware Installation Guide - Page 77
.... Connecting devices that have their speed and duplex parameters manually set the speed and duplex parameters. The default setting is Auto. Use the guidelines in no linkage. Chapter 2 Switch Installation
Connecting to the 10/100 and 10/100/1000 Ports
Figure 2-54
Replacing the XENPAK Module Slot Cover
1
Catalyst 3750 series
1
104765
2 1 Phillips-head screw 2 Module slot cover...
Hardware Installation Guide - Page 85
...on page 3-5
OL-6336-10
Catalyst 3750 Switch Hardware Installation Guide
3-1 Troubleshooting
3 C H A P T E R
The LEDs on the front panel provide troubleshooting information about the switch. They show failures in the power-on self-test (POST), port-connectivity problems, and overall switch performance. See the software configuration guide and the switch command reference on the front panel...
Hardware Installation Guide - Page 87
... the port error-disabled, disabled, or shutdown status. Check these items:
• Bad or incorrect SFP module. Many legacy powered devices, including older Cisco IP phones and access points that causes a PoE fault from the switch to the correct ports.
• Verify that both ends of supported SFP modules. A link LED does not guarantee that both devices have link. Replace...
Hardware Installation Guide - Page 91
...-10
Catalyst 3750 Switch Hardware Installation Guide
3-7 The replacement switch then has the same configuration for all the interfaces as were on the failed switch). The replacement switch, rather than the existing switches, reboots. Chapter 3 Troubleshooting
Finding the Switch Serial Number
Step 4 Step 5
Make the same Ethernet and Gigabit Ethernet connections on the replacement switch (as...
Hardware Installation Guide - Page 133
... Assistant to abort configuration dialog at the following two prompts. IP Settings
You will need to press Enter to individual switches in the stack, the initial setup dialog appears in square brackets '[]'. OL-6336-09
Catalyst 3750 Switch Hardware Installation Guide
D-7 You need this information from your switch does not pass POST. Follow these steps to complete the...
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