Product specifications

Chapter 1 Introduction
9
1.4.3 T1 module
 Channel Capacity : 4 channels per module
 Bit Rate : 1.544Mbps ± 32ppm
 Line Code : B8ZS / AMI
 Frame Format : Unframed (clear channel)
 Electrical Interface : Compliant with international standards ITU-T G.703
 Jitter Tolerance : Compliant with ITU-T G.824
 Jitter Transfer : Compliant with ITU-T G.742, G.824
 Line impedance : 100Ω (DB25 Wire Wrap or RJ-45)
 Surge protection : Compliance with (or better than) IEC 1000-4-5 class 2 or FCC part 68
 Cable Compensation :5 segments Line Build Out
LBO1 :0~133feet / LBO2 :133~266feet / LBO3 :266~399feet
LBO4 :399~533feet / LBO5 :533~655feet
1.4.4 Datacom module
(Datacom module supports one channel (V35U1) or four channels (V35U) on each card)
 Card types : V.35, RS-530, X.21
 Data rates : n*64K, n=1~32 (64~2048kb/s)
 Clock mode : Internal, DTE, Recovery.
 Control signal : CTS follows RTS, DSR always ON except at test loop mode, DCD always ON
except at fiber loss of signal condition.
 Loop-back : local loop back, remote loop back, V.54 (request remote loop back)
 Connector : HD-68 (SCSI-III) Female with optional cables
HD-68 to 4*V35 (MB34 female) cable
HD-68 to 4*RS-530 (DB25 female) cable
HD-68 to 4*X.21 (DB15 female) cable
1.5 Physical Specifications
 Alarm contact : 4 relay contacts (DB-9 connector) --Reference Page 100 (A.1)
 External alarm : 2 sets external alarm detection for central office monitoring
 1xRS-232 asynchronous clear channel. (9.6k~115.2K)
 Order wire : Earphone jack, microphone jack
 Operate condition : 0 ~ 60°C, 5% ~ 95% without condensing
 EMI : Comply with CISPR 22 class A (EN55022), FCC part 15 class A subpart B.
 MTBF : 48,000 hours minimum
1.6 Dimensions & Weight
W x D x H : 440 x 285 x 44.5 mm (17 3/8" x11 1/4" x 1 3/4")
3.7KG net (~ 8 lb.)
1.7 Power Supply
AC :90 ~ 240 V (47Hz ~ 63Hz)
DC :-36 ~ -72 V
Power consumption 20W maximum