PL7611: 1:1 RF Protection Switch

Features & Benefits:

	Automatic or manual switching
	Remote operation possible via SNMP manager
	DC to 3 GHz bandwidth
	Rapid switching to allow signal continuity
	Adjustable signal level detection for each channel separately
	Locking switch circuit

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Product Description

The PL7611 card provides 1:1 redundant switching for the Sat-Light/Platinum inter facility link products, including the IF and L-band families.

The PL7611 can be controlled either locally or remotely. Foxcom's Platinum series MCP [PL700] can set the switching state (either remote or local) or the transmission path (channels A or B). However, in the case of a fault in the SNMP manager, the user can override the SNMP manager and return to control locally via the front panel override switch.

The Sat-Light/Platinum MCP graphically displays the active path. Switching from the primary to redundant path can be performed by the PL7611 manually or automatically. When the unit switches to the redundant channel, it will lock and continue to transmit over that channel regardless of the input to the primary channel. The high reliability, high-frequency relay redundancy switch can be configured to detect faults the optical signal, or both. In addition the user can set the threshold level at which the PL7611 switch detects loss of RF signals.

The PL7611 provides two methods to detect which channel is operating:
1/ Via a 3-pin Molex connector on the rear panel;
2/ Through the chassis via the 9-pin connector.

Redundant paths are configured using a Platinum RF splitter which transmits the RF signal to two transmitter cards. These cards are connected via single mode fiber optic cable to two receivers. Each receiver card connects to the PL7611 via a supplied coaxial jumper cable. The PL7611 then transmits the RF output signal to the end device.

Specifications

1:1 RF Protection Switch: PL7611
RF Specifications	Units	Typical	Minimum	Maximum
Frequency Range - Bandwidth	MHz	DC - 3000
Amplitude Response – Flatness DC – 950 MHz 950 - 2400 MHz 2400 – 3000 MHz	dB	±0.2 ±0.4 ±0.7
Input/Output Impedance	Ohm	50 or 75
Insertion Loss DC – 950 MHz 950 - 2400 MHz 2400 – 3000 MHz	dB	-0.6 1 -1.5
Maximum input without damage	dBm	+20
Channel A/B isolation DC – 950 MHz 950 - 2400 MHz 2400 – 3000 MHz	dB		60 40 30
Switching speed On [active] Off [inactive]	msec	13 13
Input/Output Return Loss - 50 Ohm DC – 950 MHz 950 - 2400 MHz 2400 – 3000 MHz	dB	18 15 12		18 15 12
Input/Output Return Loss - 75 Ohm DC – 950 MHz 950 - 2400 MHz 2400 – 3000 MHz		-18 -12 -9		-18 -12 -9
RF Connector Input / Output	Type	F, SMA, BNC, N
Electrical Specifications
Supply Voltage	Vdc	12
Supply Current	Amps	0.5
EMI Rating		EMI Rating: FCC Class B CE Mark
Physical Specifications
Operating Temperature Range	ºC		-10	+55
Storage Temperature Range	ºC		-45	+85
Relative Humidity		95% non-condensing
Altitude	ft / Km	10,000 [3.08 ] operating 14,000 [12.2] non-operating
Dimensions [D×W×H]	ins/cm	12×0.8×4 / 30.5×2×10.2
Weight	lbs./Kg	1.0/ 0.46
Physical / Environmental Specifications
MTBF	Hours	456, 271
MTTR	Hours	0.083
Shock & Vibration		Designed for normal transportation environment per section 514.4 MIL-STD-810E. Designed to withstand 20G at 11 ms [½ sine pulse] in non-operating configuration.

All specifications are subject to change without notice.

Ordering Information

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PL7611: 1:1 RF Protection Switch

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