User guide

9033060 Product Overview 5
Optional Modules
Figure 1-2 shows the optional modules available for the Cabletron
ELH100-12/24TX. Table 1-2 defines the optional module components.
Figure 1-2. Optional Modules
Table 1-2. Optional Module Components
Module Components
10Base-T/100Base-TX
Ports: Copper ports using RJ-45 connectors. Use either
the MDI-X or MDI connector when attaching a device
to this module. (See 10Base-T/100Base-TX Ports on
page 24 for a detailed description of these ports.)
Mode switch: If the attached device must operate at
100 Mbps, full duplex, then set this switch to 100Full;
otherwise, set it to Auto.
Port LEDs: See Table 1-3 for details.
100Base-FX
Ports: Fiber ports using SC connectors for uplink. (See
100Base-FX Fiber Ports on page 25 for a detailed
description of these ports.)
Mode switch: If the attached device must operate at full
duplex, set this switch to Full; otherwise, set it to Half.
Port LEDs: See Table 1-3 for details.
Agent Console port: Male DB-9 connector configured as a
null modem connection for serial out-of-band
management using the console menus, or for in-band
management when used with SLIP protocol.
Active LED: On when the Agent Module is active; off
when the module is in standby mode, and flashing if
the module failed the power-on self-test.
Only two agent modules are allowed in a stack: one
active and one in standby mode.