Functional Block Diagram - Blonder Tongue Laboratories Inc.

Broadband Specification Guide
Equipment Specifications Library
FOC-108U-XX
Where optical splitting or coupling is required by the network design, a rack-mount coupler shall be used. The coupler shall be for single mode fiber and employ either
FC/APC or SC/APC connectors to enable broadband communications. The two port optical coupler shall be equal to Blonder Tongue FOC-108U-XX and shall meet or
exceed the following specifications:
a) Number of Inputs: 1
b) Number of Outputs: 8
c) Wavelength: 1310 or 1550 nm
d) Insertion Loss: 9.5 dB
e) Optical Connectors: Specify - FA (FC/APC) or SA (SC/APC)
FOC-116U-XX
Where optical splitting or coupling is required by the network design, a rack-mount coupler shall be used. The coupler shall be for single mode fiber and employ either
FC/APC or SC/APC connectors to enable broadband communications. The two port optical coupler shall be equal to Blonder Tongue FOC-116U-XX and shall meet or
exceed the following specifications:
a) Number of Inputs: 1
b) Number of Outputs: 16
c) Wavelength: 1310 or 1550 nm
d) Insertion Loss: 12.6 dB
e) Optical Connectors: Specify - FA (FC/APC) or SA (SC/APC)
FOCN-S4S-201
To ensure link fidelity, both the transmitter and receiver shall be provided by the same manufacturer. The fiber receiver shall receive 110 channels downstream on
9/125 mm or 10/125 mm single mode fiber. The receiver shall be a wall mounted unit powered by a UL listed 12 VDC external power supply (BT Stock # 7415). The
receiver shall be powered either directly through its 12 VDC connector or remotely from its RF output connector using a power inserter (included in #7415). The
receiver shall also include a tri-colored LED indicator for optical level input status. The receiver shall be equal to Blonder Tongue FOCN-S4S-201 series and shall meet
or exceed the following specifications:
a) Output Impedance: 75 Ω
b) Band Width: 54-870 MHz
c) Optical Input: -8.0 to +2.0 dBm
d) Max Channel Load: 110
e) Operating Wavelength:
1310 or 1550 nm, Field Selectable
f) CNR of link:
>54 dB (1 dBm input, 110 Ch, Load)
g) Optical Connector: SC/APC
h) RF Output & Test Port: F
i) Output Test Port Level: -20 dB
FRDA-S4A-860-43PA
To ensure link fidelity, both the transmitter and receiver shall be provided by the same manufacturer. The fiber receiver shall receive 110 channels
downstream on 9/125 mm or 10/125 mm single mode fiber. Receiver shall be a wall mount unit with an UL listed, external power supply. The receiver
shall have a tri-color status indicator LED on the optical input. The receiver will have internally accessible plug-in attenuator to prevent overdriving
of the hybrid amplifiers. The receiver shall be equal to Blonder Tongue FRDA-S4A-860 and shall meet or exceed the following specifications:
a) Output Impedance: 75 Ω
b) Bandwidth: 47 to 860 MHz
c) Optical Input: -6.0 to +3.0 dBm
d) Max Channel Load: 110
e) Operating Wavelength:
1310 or 1550 nm, Field Selectable
f) CNR of link: 53 dB
(1 dBm input, 110 Ch, Load)
g) Optical Connector: FC/APC
Standard, SC/APC Optional
j) Optical Input Indicator: Tri-color LED
k) RF Output: 28 dBmV @ -1 dBm input
l) Return Loss: 16 dB Minimum
h) RF Output & Test Port: F
i) Output Test Port Level: -30 ±2 dB
j) Gain Control Range: 10 dB
k) Slope Control Range: 8 dB
l) Optical Input Indicator: Tri-color LED
m) Hum Modulation: -70 dB
n) RF Gain: 43 dB
o) Return Loss: 16 dB Minimum
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