You can configure the BLACK BOX®
Managed Fiber Switch Base Unit with any
combination of 10-, 100-, and 1000-Mbps
copper and fiber modules for up to 25
ports. The switch features wire speed,
filtering and forwarding across all ports,
802.3x flow control, 802.1p priority packet
processing, and a self-learning 4K-node
address table plus 240 KB packet buffers
for 10-/100-Mbps modules and 120 KB
packet buffers for 1000-Mbps modules.
19" rackmounting brackets are included.
724-746-5500 • blackbox.com Page 1 of 1
LE2425A Managed Fiber Switch Configuration Guide
Step 2
Step 3
Base Unit Model # Description
LE2425A Rackmount withAC power
LE2425A-24VDC Rackmount with 24V (18-36) DC power
LE2425A-48VDC Rackmount with 48V (36-70) DC power
LE2425A-125VDC Rackmount with 125V (88-150) DC power
Choose chassis and power input type: LE2425A: top: front view;
bottom:; rear view
Slot A Slot B Slot C Slot D
Step 1
Module Model # 10BASE-T/100BASE-TX 10BASE-FL 100BASE-FX Multimode 100BASE-FX Single-Mode Gigabit Port
LE2427C —4ST — — —
LE2446C — 2 ST 2 ST — —
LE2445C — — 4 ST — —
LE2426C — — 4 SC — —
LE2440C 4 RJ-45 2 ST — — —
LE2429C 4 RJ-45 — 2 ST — —
LE2430C 4 RJ-45 — 2 SC — —
LE2431C 4 RJ-45 — — 2 SC 20 km —
LE2441C 4 RJ-45 — — 2 SC 40 km —
LE2447C — 2 ST 4 MT-RJ — —
LE2442C 4 RJ-45 — 4 MT-RJ — —
LE2443C 4 RJ-45 — 4 LC — —
LE2444C 4 RJ-45 — — 4 LC 15 km —
LE2438C 6 RJ-45 — 2 MT-RJ — —
LE2439C 6 RJ-45 — — 2 LC 15 km —
LE2428C 8 RJ-45 — — — —
LE2436C — — 8 MT-RJ — —
LE2448C — — 8 LC — —
LE2437C — — — 8 LC 15 km —
LE2433C —— — — 1
Choose up to three modules for Slots A, B, and C (some slots may be blank):
Module Model # Gigabit
LE2432C 1
(Optional) Choose one Gigabit port module for Slot D:
Step 4
Step 5
GBIC Model # Description (GBICs for GBPM-COTX and GBPM-DOTX)
LE2434C (1) 1000BASE-SX,multimode SC
LE2449C (1) 1000BASE-LX/LH,1310-nm single-mode SC 10 km
LE2450C (1) 1000BASE-LX/LH,1310-nm single-mode SC 25 km
LE2451C (1) IEEE 802.3ab copper GigabitTP,RJ-45
LE2452C (1) 1000BASE-ZX,1550-nm single-mode SC 40 km
LE2453C (1) 1000BASE-ZX,1550-nm single-mode SC 70 km
(Optional) Choose GBICs for Gigabit port:
Accessory Model # Description
LE2435C Blank cover for one (A, B, or C) module slot
LE2454A Console attachment cable serial null-modem
(aka X-modem) cable with DB9 connectors
LE2455A As above, but with a USB connector
LE2456RM 23"Telco rackmount kit,1U
LE2457RM ETSI rackmount kit, 1U
LE2458C Two separate power inputs (24,48, or 125V)
LE2459C Alarm contacts, 1 power and 1 software
Special Order Conformal coating—request quote
Choose options and extras:
NOTE: A MNS-BB software license is included with the Base Unit.
The software is loaded in the LE2425A at the factory.
