User's Manual

mBSC2500U-005-RUCM11
MBSC2500U-005-RUCM11 April 15, 2013
Page 21
# PIN Definition Description
8 PIN8 TXD0/B0 Channel0: RS485-B0
9 PIN9 PD ALM Photo-detector error
Table 8 RF-Optic Transceiver Indicators
# Indicator Status Description
Green Normal
1 POWER
Off No power supply
Off Photo-detector works
2 PD ALARM
Red Photo-detector error
Off Laser Device works
3 LD ALARM
Red Laser Device error
Notes: If the fiber is not connected properly, both of the HU and RN’s PD ALARM indicator will alarm (red LED). Otherwise the
indicator is off.
3.3.3.2 RF Connection
Optical Module: The RF signal connections with the optical fiber module are supported through 5 groups of
QMA female connectors. These five connector groups are used for coaxial cable inter-connection of the
simplex Tx and Rx RF signals to the single-band RUM enclosures.
3.3.3.3 Optical Port
The RTM enclosure uses anE2000/APC type optical transceiver for inter-connecting the optical fiber. The
transceiver supports single-mode (yellow) fiber.
3.3.3.4 Powering
The RTM enclosure is equipped with connector board in the bottom of chassis that provides a connection
point for the DC power cable from RPM.
3.3.3.5 User Interface
The RTM enclosure interface consists of the various connectors, terminals and LED indicators that are
provided on the front panel. The RTM enclosure user interface is described in Table 3and indicated in Figure
12.
T
able 9Fiber RTM Enclosure User Interface
# User Interface Designation Device Functional Description
Model RTM
1 Fiber E2000/APC optical connector Used for fiber connecting to host unit
2 RUN LED (Green/Red/Off) Indicates if Fiber/RF link is normal or faulty.
3 UL(700~2600) QMA female RF coaxial connector RF inter-connection to UL of RUM