HP 37717C, Calibration Manual, Page: 55 / 399

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General Information
Specifications
STM-1 OPTICAL INTERFACE:
Option UH1.
Rate: 155.52 Mb/s
Line code: NRZ
Connectors: Adaptors to which a range
of interfaces can be attached.
Transmit:
Wavelength: 1280 - 1330 nm
Fibre power output: nominal -9 dBm
Safety classification: Class 1, FDA 21
CFR Ch.1 1040.10 and EN 60825
Receive:
Wavelength: 1200 - 1600 nm
Sensitivity: -28 dB minimum (with
1300 nm wavelength, 100% modulation
depth, BER of 10
-10
and 2
23
PRBS)
Maximum input power: -8 dBm (for
BER of 10
-10
)
Alarms detected: Loss of optical
signal.
STM-1/STM-4 OPTICAL
INTERFACE: Option UH2.
Rate: 155.52 Mb/s, 622.08 Mb/s
Line code: NRZ
Connectors: Adaptors to which a range
of interfaces can be attached.
Transmit:
Wavelength: 1280 - 1330 nm
Fibre power output: nominal -10 dBm
Safety classification: Class 1, FDA 21
CFR Ch.1 1040.10 and EN 60825
Receive:
Wavelength: 1200 - 1600 nm
Sensitivity: -26 dB minimum (with
1300 nm wavelength, 100% modulation
depth, BER of 10
-10
and 2
23
PRBS)
Maximum input power: -8 dBm (for
BER of 10
-10
)
Alarms detected: Loss of optical
signal.
Background STM-1 overhead:
A1,A2 contains pattern F628
(hexadecimal)
C1 - 00000001 to 00000100
Unused C1 bytes - AA (hexadecimal)
B1 - Correct BIP-8 parity
H1,H2 - 6A and 0A (hexadecimal),
Y=93 (hexadecimal)
B2 - Correct BIP-24 parity
B3 - Correct BIP-8 parity
H4 is transmitted as all zeroes unless a
TU-12 payload is selected, in which
case the reduced H4 sequence defined
in ITU-T Rec. G.709 is transmitted.
All other overhead bytes are
transmitted as all zero’s.
STM-1/STM-4 OPTICAL
INTERFACE: Option URU.
Rate: 155.52 Mb/s, 622.08 Mb/s
Line code: NRZ
Connectors: Adaptors to which a range
of interfaces can be attached.
Transmit:
Wavelength: 1520 - 1565 nm
Fibre power output: nominal -1 dBm
Safety classification: Class 1, FDA 21
CFR Ch.1 1040.10 and EN 60825
Receive:
Wavelength: 1200 - 1600 nm
Sensitivity: -26 dB minimum (with
1300 nm wavelength, 100% modulation
depth, BER of 10
-10
and 2
23
PRBS)
Maximum input power: -8 dBm (for
BER of 10
-10
)
Alarms detected: Loss of optical
signal.