General Specifications
Transmission method
Frequency modulated light via two optical fibers
Multimode:
850nm
Single-mode:
1310nm
Maximum Fiber Loss /
Distance*
Multimode:
8dB / 1.2 miles (2km
Single-mode:
8dB / 9 miles (15km)
SM Long Haul:
26dB / 31 miles (50km); minimum 8dB
*Note: Distances equated using industry standard fiber and connector attenuation.
(Multimode: 3.5dB/km, Single-mode: 0.4db/km, + 0.5dB per connector, + 0.3dB per splice)
Fiber Type
Multimode: 62.5/125
μ
m, 50/125
μ
m ; Single-mode: 9/125
μ
m
Fiber Connector Types
ST or SC
Analog Bandwidth
300 Hz to 3.4 KHz
Maximum Analog Data Rate
9600 bps (9.6Kbps)
DDS Data Rate
2.4Kbps and 4.8Kbps
Contact Closure Input
Dry Contact Closure of 2000 Ohms maximum
Contact Closure Output
Normally Open, Solid State Relay, 150mA 220VAC 330VDC
Response Time
On: 1.4
μ
s / Off: 1.9 msec (Dry Contact Only)
LED Indicators
Yellow Contact Output Status (LD1)
ON: Closed, OFF: Open
Red Contact Input Status (LD2)
ON: Closed, OFF: Open
Channel Noise
< 20dBrnC (15dBrnC typical)
DC Resistance Limits
2000 Ohms typical for 50V DC CO battery
Nominal Impedance
600 Ohm input and output
Insertion Loss
0dB +/- 0.5dB each direction
Overload Level
8dBm into 600 Ohms
Surge Protection
PTC thermistors, zener diodes and varistors
Power Requirements
Line: 15mA ; Local: 24-56VDC, card current limits at 18mA
Power Connector
Screw type connector terminal, 12-26 AWG
Powering Method
Simplexed line power or local DC power supply connected to AUX. P.S.
Simplex Current
Output Option
18mA@24VDC on XMIT pairs, Sub side only
Operating Temperature
-40° to +158° F (-40° to +70° C), 95% non-condensing
Dimensions
7 ”x 4” x 1” Standard RLH Fiber Link Card form factor
Warranty
Limited Lifetime
Visit
for warranty details
RLH Industries, Inc. • Tel. 866-DO-FIBER • Fax 714 532-1885 • www.fiberopticlink.com
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