2-4 SmartCell ZX-250 User Guide
Installing the Switch
Switch Installation and Setup
If the switch’s hardware or software configuration is incorrect, contact Cabletron customer support immediately.
2.3.1
DS3 and E3 I/O Module Configuration
Table 2-2 shows the pre-configured values for both the DS3 (ZX-IOM-67-4) and E3 (ZX-IOM-77-4) I/O modules.
These values cannot be changed. Accordingly, configure the connecting device’s interface to use these values.
2.4
INSTALLING THE SWITCH
SmartCell ZX-250 switches are designed to operate either while sitting on a desktop on their rubber feet or while
mounted in a rack by side-panel mounting brackets.
2.4.1
Desktop Installation
ZX-250 switches can be installed on any clean, dry, stable surface (desktop) that allows for at least four inches of clear
space on both sides of the switch:
U
ZX-250 — 17.5 inches wide by 14.5 inches deep
U
ZX-250r — 17.5 inches wide by 20.5 inches deep
2
p›F
Because the ZX-250r power supply modules install from the back of the switch,
you may want to select a surface that provides sufficient room to remove and
install the power supply modules.
Table 2-2
DS3 and E3 Module settings
Protocol
Mode
Framing
Empty Cell
Timing
Scrambling
Length
DS3
plcp
cbit
unassigned
internal
off
greater than 225 ft.
E3
plcp
G.751
unassigned
internal
off
N/A
Summary of Contents for SmartCell ZX-250
Page 12: ...xii SmartCell ZX 250 User Guide Table of Contents...
Page 16: ...xvi SmartCell ZX 250 User Guide List of Tables...
Page 18: ...1 2 SmartCell ZX 250 User Guide Introduction...
Page 46: ...3 8 SmartCell ZX 250 User Guide Creating an Emulated LAN IP Over ATM and LANE...
Page 92: ...4 46 SmartCell ZX 250 User Guide Performing Hardware Maintenance Switch Administration...
Page 98: ...5 6 SmartCell ZX 250 User Guide Troubleshooting Congestion Troubleshooting...
Page 110: ...A 12 SmartCell ZX 250 User Guide Acronyms...
Page 124: ...C 8 SmartCell ZX 250 User Guide Managing the SmartCell ZX 250 Agent Support...