Specifications

December 2008 Page 4–3
Chapter 4. Acceptance Tests
4
4. Connect the optical transceiver cables.
If the fiber optic option has been supplied,
connect each of the optical transmitters to its
associated receiver using fiber patch cords.
Figure 4–1. FOCUS Power Supply Interfaces
Screw or Compression Type.
5. Connect the electrical transceiver cables.
If FOCUS has been supplied with a DS1
transceiver, connect the wires, for the trans-
ceiver location supplied, on P2 (DB25
connector) as shown in Figure 4-2.
6. Install the rear panel interfaces.
Install all channel interface modules on the
rear of the chassis in the positions corre-
sponding to the channel modules. Make
wiring connections as required.
7. Energize the chassis.
8. Install all common (system) modules
Install the Maintenance Module, Power
Supply Module(s), Framer Module, and the
transceiver module(s). Some LEDs may be
flashing at this point.
Figure 4–2a.
Electrical Transceiver Module Interface
Connections.
9. Connect a PC to the FOCUS chassis.
Connect a suitable PC to the RS232 9-pin D-
shell connector on the FOCUS Maintenance
Module as shown in Figure 4-3 using a
standard RS-232 cable.
10. Start the FCS.
Bring up the FOCUS Configuration Software
(FCS), if it is not already running, by clicking
on the FCS program icon .
11. Bring the FOCUS chassis “on line”.
Click on the “Online” speed button
.
4&17—Transmitter 1-1
3&16—Receiver 1-1
2&15—Transmitter 1-2
1&14—Receiver 1-2
10 & 22 — Transmitter 2-1
11 & 23 — Receiver 2-1
12 & 24 — Transmitter 2-2
13 & 25 — Receiver 2-2
(RX1-2) 1
(TX1-2) 2
(RX1-1) 3
(TX1-1) 4
(N/C) 5
(N/C) 6
(N/C) 7
(N/C) 8
(N/C) 9
(TX2-1) 10
(RX2-1) 11
(TX2-2) 12
14 (RX1-2)
XCVR 1-1 Pin Assignments
XCVR 1-2 Pin Assignments
XCVR 2-1 Pin Assignments
XCVR 2-2 Pin Assignments
15 (TX1-2)
16 (RX1-1)
17 (TX1-1)
18 (N/C)
19 (N/C)
20 (N/C)
21 (N/C)
22 (TX2-1)
23 (RX2-1)
24 (TX2-2)
25 (RX2-2)
(RX2-2) 13