NVT NV-GLC-LH-SMD Specsheet
Phone: (905) 901-3633
www.nvtphybridge.com
Page | 1
NV-GLC-LH-SMD - 8.21.2018
Pin
Symbol
Name/Description
Ref.
1
VeeT
Transmitter Ground (Common with Receiver Ground)
1
2
TX Fault
Transmitter Fault.
3 TX Disable
Transmitter Disable. Laser output disabled on high or open.
2
GLC-LH-SMD GBIC Transceiver Module 1000Base-LX LH Dual LC
Part Number: NV-GLC-LH-SMD
Product Features
• Up to 1.25Gb/s dual data links
• Hot-pluggable SFP footprint
• 1310nm FP laser transmitter
• Duplex LC connector
• Up to 10km on 9/125µm SMF
• Metal enclosure for lower EMI
• Single +3.3V power supply
• Low power dissipation <700mW
• Commercial operating temperature range: 0°C to +70°C
Applications
• 1.25Gb/s 1000Base-LX Ethernet
• 1.06 Gb/s Fibre Channel
General
Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor
Pluggable Multi-Sourcing Agreement (MSA). They simultaneously comply with Gigabit Ethernet
as specified in IEEE STD 802.3 and 1x Fibre Channel as defined in FC-PI-2 Rev. 10.0.
I. Pin Descriptions
Fax: (866) 252-9148
Copyright © 2018 NVT Phybridge
Phone: (905) 901-3633
www.nvtphybridge.com
Page | 2
NV-GLC-LH-SMD - 8.21.2018
4
MOD_DEF(2)
Module Definition 2. Data line for Serial ID.
3
5
MOD_DEF(1)
Module Definition 1. Clock line for Serial ID.
3
6
MOD_DEF(0)
Module Definition 0. Grounded within the module.
3
7
Rate Select
No connection required
8 LOS
Loss of Signal indication. Logic 0 indicates normal operation.
4
9
VeeR
Receiver Ground (Common with Transmitter Ground)
1
10
VeeR
Receiver Ground (Common with Transmitter Ground)
1
11
VeeR
Receiver Ground (Common with Transmitter Ground)
1
12
RD-
Receiver Inverted DATA out. AC Coupled
13
RD+
Receiver Non-inverted DATA out. AC Coupled
14
VeeR
Receiver Ground (Common with Transmitter Ground)
1
15
VccR
Receiver Power Supply
16
VccT
Transmitter Power Supply
17
VeeT
Transmitter Ground (Common with Receiver Ground)
1
18
TD+
Transmitter Non-Inverted DATA in. AC Coupled.
19
TD-
Transmitter Inverted DATA in. AC Coupled.
20
VeeT
Transmitter Ground (Common with Receiver Ground)
1
Notes:
1. Circuit ground is internally isolated from chassis ground.
2. Laser output disabled on TX Disable >2.0V or open, enabled on TX Disable<0.8V.
3. Should be pulled up with 4.7k - 10kohms on host board to a voltage between 2.0V and
3.6V.
4. MOD_DEF (0) pulls line low to indicate module is plugged in.
5. LOS is LVTTL output. Should be pulled up with 4.7k – 10kohms on host board to a voltage
between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.
Pinout of Connector Block on Host Board
Fax: (866) 252-9148
Copyright © 2018 NVT Phybridge
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