TRANSPORT
®
210 CSU
Configuration Guide
TxPORT 210 Front Panel
PRODUCTIVITY SERIES 210
Part Number 45-00042
Rev 1.00
®
TRANSPORT
PWR DTE NET LOOP
LOOP NORM
CSU
54321
Front Panel Description
1 POWER: This green LED lights when power is applied to the unit.
2 DTE T1 Status: This red LED lights a minimum of 0.1 second if the internal alarm circuitry detects any one of the following conditions
from the DTE: one or more BPVs, FBEs, CRCs, low ones density, or a loss of signal/loss of sync condition for Š 175 bit times from the
network. The LED stays lit until the unit detects Š 4 pulses in 32 bit times.
3 Network T1 Status: This red LED lights a minimum of 0.1 second if the internal alarm circuitry detects any of the following conditions
from the incoming T1 signal: one or more BPVs, FBEs, CRCs, or a loss of signal/loss of s ync co ndition for Š 175 bit times from the network. The LED stays lit until the unit detects Š 4 pulses in 32 bit times.
4 Loop: This amber LED lights under the following conditions: the manual loop switch is placed in the ‘LOOP’ position, the unit receives
an inband loop code for > 5 seconds, or the unit receives an FDL loop message (PLB or LLB). The LED does not light if the test switch is
placed in the ‘NO RM ’ position or if an inband or FDL unloop code is received for >5 seconds.
5 Tes t Swit ch: This 2-po sit ion swit ch is used for l ocal tes tin g. When placed in the lo cal l oop mo de (LOOP ), the un it loo ps the si gnal from
the customer equipment (DTE IN) back to the customer equipment (DTE OUT). It also loops the received signal from th e T1 facility (NET
IN) back to the T1 facility (NET OUT). When moved back to ‘NORM’, the local loopback is removed.
SPECIFICATIONS
Network Interface
Line Rate: 1.544 Mb/s (± 50 bps)
Line Framing: Transparent
Line Code: AMI or B8ZS
Line Impedance: balanced 100 Ω (± 5%)
Input Signal: DS1, +1 to -30 dB (ALBO)
Output Signal: 3.0 V, ±15%, base-pea k into 100 ¾
Line Build Out: 0, -7.5, -15, and -22.5 dB attenuati on
Line Protection: 1000 V lightning, fused input/output
Jitter Control: per TR62411 and T1.403
Pulse Density: per TR62411
Equipment Interface
Line Rate: 1.544 Mb/s (± 50 bps)
Line Framing: Transparent
Line Code: AMI or B8ZS
Line Impedance: balanced 100 Ω (± 5%)
Input Signal: DSX1 to 655 feet
Output Signal: Selectable DSX1 signal level from 0 to 655 feet
Line Protection: 1000 V lightning, input/output
Mechanical
Mounting: desktop or wall
Dimensions: 1.75" H, 6.8" W, 10.5" D
Weight: 2 lbs.
Industry Standards
FCC Compliance: Part 15 Subpart B, Class A
FCC Part 68 Reg: FXKUSA- 75742-DE-N
NRTL UL 1459
CSA Certified: LR62298
DOC/CSO3: 1653 5663 A
TR62411
Environmental
Operating Temp: 0° to 50° C (32° to 122°F)
Storage Temp: -20° to 85° C (-4° to 185°F)
Humidity: 9 5% m a x (non -condensing)
-20to-56VDC
MAX CURRENT, 100 MA
TxPORT 210 Rear Panel
PWR
(+) GND
PWR
(-) GND
A
B
S1
8654321 7
Power Connection
210 CSU connections are made on
the following terminals using 20gauge stranded (or similar) wire:
GND (Ground)
NOTE: The ‘A’ position is the factory default for
all switch settings. If a particular user configuration requires that a switch be placed in the ‘B’
direction, then mark this sheet for future re ference.
PWR- (-48 VDC, ± 6 V, 45 mA)
PWR+ (Return)
Switch S1 Description
1-2 Network LBO: These 2 positions set the network line build out signal level of data
transmitted towards the T1 facility. The output level is factory set at 0 dB
. It may be
attenuated by -7.5 dB, -15 dB, or -22.5 dB if operating conditions require a change.
Refer to the diagram of Switch S1 for settings.
3-5 DTE LBO: These 3 positions set the DTE line build out transmit signal value
towards the customer equipment. Refer to the diagram of Switch S1 for settings.
6 AIS Enable: Options the unit to either ‘generate’ un framed all ones (an Alarm
Indication Signal) to the DTE during a remote loop (A
) or to ‘pass’ the received net-
work signal to the DTE on a remote loop (B).
8 Ones Density: Per AT&T 62411, the ‘Enabled’ mode allows ones density inserti on
after 15 successive zeros from the DTE. The ‘Disabled’ mode ignores density control and allows up to 175 zeros to pass tow ard s the ne twork before a loss of signal is
declared.
0
-7.5
-15
-22.5
A
B
134 - 266 FT.
267 - 399 FT.
400 - 533 FT.
534 - 655 FT.
A
A
B
A
A
B
B B
0 - 133 FT.
NET
81
DTE
81
RJ48C Interfaces
Pin NET DTE
1 Data In (R1) Data Out (R)
2 Data In (T1) Data Out (T)
3/6 Not Used Not Used
4 Data Out (R) Data In (R1)
5 Data Out (T) Data In (T1)
7/8 Chassis Gnd Chassis Gnd
Switch S1
Network
LBO
AIS
Network Data
Transparent
Line Code
7
NET B8ZS
DTE AMI to
15 Zeros
Ones Density
175 Zeros
Ones Density
DTE LBO
A
A
B
B
A
B
B
A
A
A
Loop
54321 6 8
Loop
A
B
B
B
B
Loopbacks
The unit can be looped remotely by generating towards it a standard CSU line loopback code (00001
repeating for Š 5 seconds, framed or unframed). Once looped, the received signal from the T1 facility
(NET IN) is regenerated an d transmitted back to the T1 facility (NET OUT). The unit is unlooped
remotely by generating towards it a standard CSU line unloop code (001 repeating for Š 5 seconds,
framed or unframed).
DIP switch S1-6 configures the unit to eithe r g ene ra te an u nfram ed a ll o nes (AIS) signal to t he DTE or
to pass the received data from the network to the DTE.
Local Loopback
Remote Loopback
AIS
DTE
NET
DTE
NET
®
TRANSPORT
TxPOR T Cust omer Service
127 Jetplex Circle
Madison, Alabama 35758
Customer Service Returns:
800-926-0085, ext. 227
Product Technical Support
(8 a.m. to 5 p.m.)
800-285 -2755 o r
205-772-3770, ext. 255
After Hours Hot Line:
205-551-7538
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