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• Installs in both the Total Access 3000 (23-inch)
and the Total Access (19-inch) chassis.
• End-to-end transmission for one to four DS1
circuits
• Operating wavelength 1310 nm
• Single mode fiber operation
• Power budget of 25dB (typical)
• Launch power of -5dBm (typical)
• Receiver sensitivity of -35dBm (typical)
• DS1 receiver sensitivity of -9dBm
• Optical laser transmitter
• Configured for Central Office (CO) operation
• SC connectorized optics
• Performance monitoring
• Automatic AMI/B8ZS provisioning
• Can be equalized for 0 to 655 feet of ABAM
cable
Performance monitoring and manual loopback on
each DS1
• Front panel LEDs indicate:
PWR - Power is on or off, flashes during craft
panel access
DSX - Individual DSX alarm status is OK, errors
or Loss of Signal
TST - Card in loopback test mode
ALM - Alarm present
ACT - Online indication
F
o r
m
T
t o
l a
A
c
c
A
M
P
C
n o
e n
t c
r o
a P
A
M
P
C
n o
e n
t c
r o
a P
A
M
P
C
n o
e n
t c
r o
a P
A
M
P
C
n o
e n
t c
r o
a P
*
R
X
*
T
X
*
F
b i
r e
c
n o
e n
t c
o i
s n
a
e r
m
2
Table 2. QFO-only Populated Total Access Chassis
e
s
s
r i
5
r i
6
r i
7
r i
8
a
e d
o t
t
e h
Q
F
O
C -
i v
t a
e h
Section 61181300L1-5C, Issue 3
2. INSTALLATION
After unpacking the unit, inspect it for damage. If
damage is noted, file a claim with the carrier, then
contact ADTRAN. See Warranty and Customer Service.
Compliance Codes
Table 1 shows the Compliance Codes. This product
intended for use in Restricted Access Areas only, and
is intented to be installed in a Type "B" or "E"
enclosure.
Table 1. Compliance Codes
Code
Power Code (PC)
Telecommunication Code (TC)
Installation Code (IC)
Wiring
The QFO-C can only be used in a DSX-1 fed system.
If the QFO-C module is to be mixed in the same shelf
with other line technologies such as T1 or HDSL,
refer to the wiring for that specific card type (See
Section 3, Application Guide, in the Total Access
3000 System Manual). The QFO-C will reach the
network via Amphenol connectors Pair 5 through Pair
8, located on the backplane, which correspond to
DSX-1 connectors A and B. See Table 2. Table 3
includes the pin-outs for pairs 5 and 7, while Table 4
includes the pin-outs for pairs 6 and 8.
T
o
F
D
F
R
X
I (
N
)
T
X
(
O
U
) T
c
n o
e n
t c
r o
n o
s t i
P
C
. B
C A U T I O N !
SUBJECT TO ELECTROSTATIC DAMAGE
OR DECREASE IN RELIABILITY.
HANDLING PRECAUTIONS REQUIRED.
Input Output
F
–
A
T
o
D
S
X
1 -
D
S
X
1 -
I
N
B
D
S
X
1 -
O
U
T
B
D
S
X
1 -
I
N
A
D
S
X
1 -
O
U
T
A
61181300L1-5C
C
–
–
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