ADTRAN FT1 DP User manual

1Section 61242.047L2-13, Issue 161242.047L2-13A
HDSL Quick Installation Guide
for ADTRAN FT1 DP and FNID
Three eight-position switch packs (SW1, 2, 4) and two four-position switch packs (SW3, 5) are used to configure
FT1DPmodeofoperationaslistedinthetablebelow. RefertoADTRANInstallation/Maintenancepracticesformore
information.
PRACTICES
Description
Selects between alternating and contiguous DS0 channels.
Whenthisswitchisclosed,theunitautomaticallydetectsthelinecodeasB8ZSor
AMI.
When SW1-2 is open, SW1-3 open selects B8ZS line code, while SW1-3 closed
selects AMI.
When this switch is closed, Auto Frame Mode detection is enabled and the unit
selects between SF and ESF modes automatically. When open, SW1-5 manually
selects the framing mode.
When SW1-4 is open, SW1-5 closed selects SF. SW1-5 open selects ESF.
This switch is used to enable or disable latching loopbacks.
SW1-7 is used to enable or disable automatic loopback timeout.
Sets the data pattern sent to the customer upon FNID network loopback.
The DS1 signal level delivered to the customer through the FNID may be selected
as one of four values: 0, -7.5, -15, or -22.5 dB.
When SW3-1 is closed, auto idle code detection is enabled and the unit selects
between 7F (Hex) and FF (Hex).
WhenSW3-1isopenandSW3-2isclosed,selectsFF(Hex). WhenSW3-2isopen,
selects 7F (Hex).
This switch enables or disables A/B signaling for Channel 1-8 of the selected FT1
channels.
ThisswitchenablesordisablesA/BsignalingforChannels9-12oftheselectedFT1
channels.
Switch Function
SW1-1 ............. Channel Select
Closed ............. Alternate
Open ............... Contiguous
SW1-2 ............. Auto Code Detect
Closed ............. Auto
Open ............... Manual
SW1-3 ............. Manual Code Select
Closed ............. AMI
Open ............... B8ZS
SW1-4 ............. Auto Frame Detect
Closed ............. Auto
Open ............... Manual
SW1-5 ............. Framing
Closed ............. Superframe Format (SF)
Open ............... ExtendedSuperframeFormat(ESF)
SW1-6 ............. Latching Loopback
Closed ............. Enabled
Open ............... Disabled
SW1-7 ............. Loopback Timeout
Closed ............. 20 Minutes
Open ............... None
SW1-8 ............. Loopback Keep Alive
Closed ............. AIS
Open ............... All 1s, framed
SW2-8, 2-7...... DS1 Transmit Level
Open, Open .... 0 dB
Open, Closed.. -7.5 dB
Closed, Open.. -15 dB
Closed, Closed -22.5 dB
SW3-1 ............. Idle Code Detect
Closed............. Auto
Open ............... Manual
SW 3-2 ............ Idle Code
Closed............. FF
Open ............... 7F
SW4-1-SW4-8 Channels 1-8 A/B Signaling
Closed............. Enabled
Open ............... Disabled
SW5-1-SW5-5 Channels 9-12 A/B Signaling
Closed............. Enabled
Open ............... Disabled
FNID
SW1, SW2
20 mA, 60 mA
Off, On
Option Settings
(arrows indicate default settings)
POWER
LOCAL SPAN
SW1 DS1 SEALING CURRENT SW2
20MA
60MA OFF
ON
Powered
by -48
VDC
Powered
by span
current
Sealing current disabled
Sealing current enabled
20 mA sealing current select
Indicates default setting

2 Section 61242.047L2-13, Issue 1 61242.047L2-13A
0
12
11
10
9
8
7
6
5
4
3
2
1
01234
WORKING LENGTH OF 26 GAUGE CABLE (KFT)
WORKING LENGTH OF 24 GAUGE (OR COARSER) CABLE (KFT)
56789
2.5
INVALID HDSL CABLE LENGTHS
2.0 1.5 1.0 0.5 0.0
TOTAL
BRIDGED
TAPLENGTH
(KFT)
VALID HDSL CABLE LENGTHS
ADTRAN Customer Service:
ADTRAN Telco Technical Support............... [phone]
Standard support hours ................................ Monday-Friday
7 a.m. - 7 p.m. CST
Emergency support ................... 7 days/week, 24 hours/day
Sales .............................................................[phone]
RMA (repair service).................................... [phone]
Repair and Return Address:
ADTRAN, Inc.
Customer Service Department
901 Explorer Boulevard
Huntsville, Alabama 35806-2807
These approximations are to be used as guidelines
onlyandmayvaryslightlyondifferentloops. Adhering
to these guidelines should produce performance in
excess of 10
-7
BER.
Frequency (Hz) Maximum Loss (dB)
3,000 12.0
10,000 15.0
50,000 25.5
100,000 30.0
150,000 32.75
200,000 35.25
Loop Insertion Loss Data
Cable Cable Temperature:
Gauge Type 68°90°120°
26 PIC 3.902 4.051 4.253
26 Pulp 4.030 4.179 4.381
24 PIC 2.863 2.957 3.083
24 Pulp 3.159 3.257 3.391
22 PIC 2.198 2.255 2.333
22 Pulp 2.483 2.45 2.629
19 PIC 1.551 1.587 1.634
19 Pulp 1.817 1.856 1.909
HDSL Loss Values
(200 kHz cable loss in dB/kft at 135 Ω )
Channel Bank
Backplane
Central Office Customer Premises
2B1Q
12 kft 24-AWG
9 kft 26-AWG
(max.)
Loop 1 Loop 15
6
3
4
FT1-DP FT1-Repeater
DS1
7
13
5
15
FNID
55
49
2B1Q
12 kft 24-AWG
9 kft 26-AWG
(max.)