ADC and Manageable T1 Deployment, Fast Specifications, 7 / 0 8 1 0 6 6 6 9 A E HiGain HDSL

7 / 0 8 • 1 0 6 6 6 9 A E HiGain® HDSL

HiGain® HDSL

Fast, Economical, Reliable and Manageable T1 Deployment

Specifications

HDSL Transmission
Line Code:	784 kbps 2B1Q
Transmission:	dual-duplex
Media:	two non-loaded two-wire metallic cable pairs
Output Signal:	+13.5 dBm ±0.5 dB into 135Ω
Maximum Provisioning Loss:	35 dB @ 196 kHz, 135Ω
DSX-1 Interface (CO Side)
Output Level:	6 Vpk-pk, pre-equalized for 0 - 655 ft of ABAM cable
Input Level:	+1.5 to -7.5 db DSX
Impedance:	100Ω
Line Rate:	1.544 Mbps ±200 bps
Line Format:	AMI, B8ZS or ZBTSI
Frame Format:	ESF, SF and unframed
DS1 Interface (Remote Side)
Output Level:	6 to -7.5 Vpk-pk
Input Level Sensitivity:	> -22.5 dB
Line Rate:	1.544 Mbps ±200 bps
Line Format:	AMI, B8ZS or ZBTSI
Frame Format:	ESF, SF and unframed
Output Level:	0, -15 dB (selectable)
System
One-way DS1 Delay:	<200 μs (HLU and HRU) + <80 μs (HDU)
Wander (looped):	0.3 UI max (1 UI = 648 ns)
Wideband Jitter (looped):	0.2 UI max
Narrowband Jitter (looped):	0.1 UI max
Reach
Each Span:	CSA design rules, e.g. 9 kft on 26 AWG or 12 kft on 24 AWG,
	no load coils, bridged taps per CSA guidelines
Number of Spans:	5 total, 4 line powered
DSX-1 Test Access (CO Side)
“210” Bantam jacks:	bridging, splitting/line, splitting/drop
DS1 Test Access (Remote Side)
“210” Bantam Jacks:	bridging (monitor and test)
Alarms
Fuse Open:	LLOS, RLOS, LOSW, BER, margin, power feed short or ground
Loopbacks
Direction:	NI, CI
Inband:	generic HiGain, intelligent repeater, T1 standard
HiGain:	activated from craft port (HLU and HRU),
	system options buttons (HLU), or loopback button (HRU)
User Interfaces (CO Side)
Craft Port:	RS-232 (DCE)
Front Panel:	four-character display, status LED, system options buttons

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