ADTRAN Network Card D4 FT1 DP User Manual

D4 FT1 DP  
F R A C T I O N A L T 1 D A T A P O R T  
F O R A T & T D 4 C H A N N E L B A N K  
The ADTRAN FT1 DP occupies one physical channel unit of an AT&T  
Network System (WECO ) D4. The ADTRAN FT1 DP works with the ADTRAN  
Fractional T1 Network Interface Device (FNID). Together the units support  
two-way fractional T1 transport at rates of 128, 256, 384, 512, 640, and 768  
kbps over an existing CSA loop plant, without loop conditioning or service  
degradation. The technology used in the FT1 DP is High-bit-rate Digital  
Subscriber Line (HDSL). The HDSL transport complies with the specifica-  
tions contained in Bellcore TA-NWT-0001210, FA-NWT-0001211, and ANSI  
T1E1 HDSL Technical Report - TR28.  
P R O D U C T F E A T U R E S  
Repeaterless FT1 over Carrier  
Service Area (CSA) loops  
The FT1 DP can span power the (FNID). In addition, the FT1 DP is capable  
of span powering a Fractional T1 repeater which can be used to double the  
deployment range of a circuit. The FT1 DP maintains all provisioning  
options of the FT1 circuit. These options are set either manually (through  
DIP switches) or through a craft access RS-232 interface (DB-9). The FT1 DP  
also provides extensive Operation, Administration, Maintenance, and  
Provisioning (OAM&P) information through faceplate features or the ter-  
minal interface.  
FT1 service rates of 128 to  
768 kbps in increments of  
128 kbps  
2B1Q modulation  
Front panel LEDs to indicate  
system status  
Manual DIP switches at FT1 DP  
HDSL local loop operation is independent of the channel bank chosen  
to deploy the FT1 DP units. The FT1 DP is the master in the master/slave  
relationship with the FNID. The FT1 DP provides span powering to the  
FNID, if required by the application. Additionally, the FT1 DP provisions  
and maintains the FT1 circuit. Provisionable options may be selected  
through manual switch selections and through a controlling terminal  
interface. Once selected, these options can be changed by either of these  
two methods; the FT1 DP remembers the last change implemented.  
as well as remote provisioning  
Local or remote performance  
monitoring capability  
Loopbacks with DDS latching  
loopback codes  
Operation over extended  
temperature ranges (standard  
–40° to +70°C)  
Supports operation of Fractional  
T1 Repeater  
Standard 10 year warranty  
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