DSUs/CSUs ($500 - $600)

Adtran Redundant Power AC Optional for Smart 16 Shelf for All Cards $550.00 USD	Adtran TA600R Router w/ T1 + Dsx-1 WAN Interface 802.1 BRIDGING $574.99 USD
Adtran TSU Quad FXS+ Opt MOD 2 GEN $502.99 USD	Adtran TA1500 23 Chassis Support 4 T1S $587.99 USD

	ADC Kentrox T-SERV II T1 SA DC CSU NEBS (77966)	$502.99 - $762.07 USD from 2 stores
	Adtran TSU Quad FXS+ Opt MOD 2 GEN (1202300L1)	$502.99 - $573.99 USD from 14 stores
	Adtran D/I Module D&I EXPAN MOD PROVIDES Second T1 In (1200065L1)	$519.99 - $604.03 USD from 10 stores
	Enterasys 1 Port FRACTIONAL T1/E1 DSU/CSU NIM (NIMT1E101)	$539.99 - $595.72 USD from 6 stores
	Paradyne 3510 56K/64K DSU/CSU 1-Port V.35 (3510-A1-001)	$539.99 - $553.95 USD from 3 stores
	Adtran Redundant Power AC Optional for Smart 16 Shelf for All Cards (1202048L1)	$550.00 - $619.99 USD from 15 stores
	Adtran Optional DC Redundant POWERING for Smart 16 Shelf (1200048L4)	$550.00 - $772.95 USD from 7 stores
	Adtran MX2800 Fan Kit AC Faceplate w/Fan & 2 AC Supplies (4200466L1)	$554.99 - $5,861.57 USD from 4 stores
	Cisco Access Products 3600 Series (1)ISDN U (NM1CE1U)	$563.99 - $1,935.95 USD from 3 stores
	Adtran TA600R Router w/ T1 + Dsx-1 WAN Interface 802.1 BRIDGING (4213600L1#ATM)	$574.99 - $649.56 USD from 15 stores
	Adtran TA1500 LIU (1180009L1)	$575.99 - $645.81 USD from 10 stores
	Adtran TA1500 23 Chassis Support 4 T1S (1180001L1)	$587.99 - $662.05 USD from 11 stores
	Adtran TDU 120E DC 1U High ver TSU 120E V35 & Dsx-1 Interface (1202155L2)	$589.58 - $1,558.36 USD from 9 stores
	Paradyne COMSPHERE 3000 Carrier 16-Slots -48V DC (3000-B1-501)	$590.83 - $1,901.95 USD from 4 stores
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