System information

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Confidential Presentation_ID Kirkpatrick 092509
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1550 EMT Operations
 The Prisma II 1550 nm Transmitters receive an RF signal through a
connector on the rear of the module. The RF input signal is then amplified
and converted to an optical signal.
Voltage
Controlled
Attenuator
DFB
Laser
CCB or Equivalent Embedded Controller
Broadcast
RF Input
20 dBmV/Ch
(78 NTSC)
Narrowcast RF
Input 12 dB Below
Broadcast
TP625
RF
Amp
Front Panel Test
Point 20 dB Below
Broadcast
RF
Amplifiers
Pre-
Distortion
Optical
Modulator
SBS
Suppression
Modulator
Bias Control
* Dual optical outputs, J1 and J2, on a P2-15TXL Transmiter
Single optical output, J1 only, on a P2-15TXX Transmitter
J1
J2 *
- RF Signal
- Optical Signal
- Control Signal
Optical
Output *