Certification Record
- Optical Distribution Unit
- Model Nos.:
- VL-DU-A-BC-D
- VL-CLK-BC-D
The following denotes the specific model nomenclature as indicated in the Product Covered.
VL-DU-A-BC-D & VL-CLK-BC-D where:
A: Port Number
8 = 8 Ports (1 Slave Ports and 7 Master Ports)
14 = 14 Ports (1 Slave Ports and 13 Master Ports)
B: Environmental Protection
0 = non-NEMA
1 = NEMA4
C: Unit Input Power
D = 48Vdc powered
D: Enclosure Color
R = Red
B = Beige
- Ratings: 48Vdc input voltage, 2.1/1.1 A input current, power consumption ≤ 100W/50W
| Model | VL-DU-14 | VL-DU-8
VL-CLK |
|
| Primary Power Source | Input Voltage, Vdc | 48 | 48 |
| Operating Voltage for compatibility, Vdc | 40.8 – 57.6 | 40.8 – 57.6 | |
| Input Frequency, Hz | N/A | N/A | |
| Input Current, A | 2.1 (100 W) | 1.1 (50 W) | |
| Supervised # | Yes | Yes | |
| Power Limited # | No | No |
#- Requires separately UL 2524 approved power supply.
| Trouble Contacts
(6 total) |
Dry Contact Voltage, V dc | 30 |
| Dry Contact Current, A resistive | 2 | |
| Restricted to 30 m (98.5 ft) long | No | |
| Optical Fiber Network | Supervised | Yes |
| Wavelength, nm | 1270 and 1330 | |
| Max optical Loss | 10km: 13dBo
40km: 19dBo 80km: 27dBo |
- ANSI / CAN / UL 2524:2024, Edition 3
These products are to be installed in accordance with the following.
A. International Fire Code (IFC)
B. NFPA 1 Fire Code
C. NFPA 70 National Electrical Code
D. NFPA 72 National Fire Alarm and Signaling Code
E. NFPA 1221 Installation, Maintenance, and Use of Emergency Services Communications Systems
F. NFPA 1225 Emergency Services Communications
Openings are provided on the unit so that the field wiring may be run in conduit if required by the local authority having jurisdiction.
All field wiring connections are intended to be made at the installation wiring terminals provided as part of the unit.
The field wiring circuits are rated as follows: 48 Vdc Input Power
Installation Instructions – The installation instructions indicated below shall be shipped with the indicated product.
| Installation Instructions | ||
| Models | Doc. Part No. | Rev Level / Date |
| All VL-DU, VL-CLK | AW-MAN-01-R16.3 | December 2025 |
General Notes:
- LC Project no.:26-5832
- LC Certificate no.: LC26-5832-1
- LC Listing Report no.: 10.00.26-5832-1_Rev0
